Q: Is it worth it to add a second story?

For many homeowners, building up is worth the expense because it provides the extra bedrooms or living areas that can’t be accommodated within the existing footprint. A larger, updated home often commands a higher resale price, recouping a sizable share of the project cost while allowing you to stay in the neighborhood you love. Run the numbers with a real estate agent and contractor to ensure the expected return and day-to-day benefits align with your goals.

Q: Is it better to build up or out?

Whether it makes more sense to build up or out depends on your lot, budget, and local code. Building up preserves yard space and involves less foundation work, but you may need to vacate the home during construction. Building out avoids staircases and can proceed while you stay put; however, it encroaches on the yard and may face setback limits. Compare both options with your contractor before making a decision.

Q: How can my home’s foundation be reinforced to support a second story?

A structural engineer will first inspect the existing foundation for cracks, footings, and load capacity. Depending on the findings, the crew may pour new concrete footings, install steel or concrete piers, add reinforced beams, or tie additional rebar into the slab. These upgrades redistribute the weight of the new floor and bring the structure up to code. Your contractor will outline the specific reinforcement plan and timeline once the engineering report is complete.

Geico Builders

1901 Harrison Street

5.00(

28

)

•Approved Pro

Geico Builders

1901 Harrison Street

5.00(

28

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

1493 local quotes requested

Geico Builders specializes in meeting your expectations before, during, and after the project is complete. Our most upstanding quality is our accountability--you can expect us to own the work we complete for your home. Of course, we know accountability means nothing without proof, which is why we are happy to offer a 2-year workmanship warranty to all of our clients. This is a rare quality for this industry, but we wanted to prove to you that we stand by our craftsmanship through our home remodeling construction services. Every Crew at Geico Builders has been professionally trained and will treat your home with integrity and respect.

"We recently had our kitchen and bathroom completely renovated by Geico Builders, and the transformation is beyond what we imagined! After with several other contractors, we decided to go with them and it was the best decision we mage. Mila, our project manager, was fantastic from day one. As first-time remodelers, we had a lot of questions, but Mila guide through every stage with patience and professionalism. The communication was consistent, and any concern we had was handled right away. The team even helped us refine our design ideas and brought them to life with a stunning 3D preview before construction began. Everyone we worked was friendly, organized, and clearly passionate about what they do. The finished kitchen and bathroom are both beautiful and functional exactly what we were hoping for. We couldn't be happier and highly recommend Geico Builders to anyone planning a home remodel!"

Valerie R on October 2025

Geico Builders specializes in meeting your expectations before, during, and after the project is complete. Our most upstanding quality is our accountability--you can expect us to own the work we complete for your home. Of course, we know accountability means nothing without proof, which is why we are happy to offer a 2-year workmanship warranty to all of our clients. This is a rare quality for this industry, but we wanted to prove to you that we stand by our craftsmanship through our home remodeling construction services. Every Crew at Geico Builders has been professionally trained and will treat your home with integrity and respect.

"We recently had our kitchen and bathroom completely renovated by Geico Builders, and the transformation is beyond what we imagined! After with several other contractors, we decided to go with them and it was the best decision we mage. Mila, our project manager, was fantastic from day one. As first-time remodelers, we had a lot of questions, but Mila guide through every stage with patience and professionalism. The communication was consistent, and any concern we had was handled right away. The team even helped us refine our design ideas and brought them to life with a stunning 3D preview before construction began. Everyone we worked was friendly, organized, and clearly passionate about what they do. The finished kitchen and bathroom are both beautiful and functional exactly what we were hoping for. We couldn't be happier and highly recommend Geico Builders to anyone planning a home remodel!"

Valerie R on October 2025

Cal Green Remodeling

1400 Coleman Ave, Unit F14-2

5.00(

14

)

•Approved Pro

Cal Green Remodeling

1400 Coleman Ave, Unit F14-2

5.00(

14

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

667 local quotes requested

Welcome to Cal Green Remodeling. We do our best to take the stress out of home remodeling, working directly with our clients to make sure they understand the process, options available, and budget. Our goal is to make your project everything you dreamt it would be. From custom kitchens to concrete floors we do it all and our experienced professionals can help you figure out what products are right for you. We offer industrial grade finishes that can handle excessive traffic, as well as fine finishes for your home. Contact us today for a free estimate, we look forward to hearing from you. Website - https://calgreenremodeling.com/ Phone - 800-803-9927

"We were looking to remodel our kitchen or bath for a few years. We kept getting estimates from different companies and always felt the price was off or the person was not a good fit. Then, finally, we met Shai with Cal Green Remodeling. What a great guy! He is very upfront and honest about what we can expect in terms of cost and work flow. Because of his honest approach, we hired him. We felt he gave us the good and bad and how to resolve the bad as well. In the end, the process was fairly smooth, and the few hick-ups we had, for example, the city and their permit process, were well explained to us at the beginning, so we were ready. Our kitchen or bath looks amazing, and I plan to work with Cal Green Remodeling again. Thanks Shai!"

Albert R on December 2023

Welcome to Cal Green Remodeling. We do our best to take the stress out of home remodeling, working directly with our clients to make sure they understand the process, options available, and budget. Our goal is to make your project everything you dreamt it would be. From custom kitchens to concrete floors we do it all and our experienced professionals can help you figure out what products are right for you. We offer industrial grade finishes that can handle excessive traffic, as well as fine finishes for your home. Contact us today for a free estimate, we look forward to hearing from you. Website - https://calgreenremodeling.com/ Phone - 800-803-9927

"We were looking to remodel our kitchen or bath for a few years. We kept getting estimates from different companies and always felt the price was off or the person was not a good fit. Then, finally, we met Shai with Cal Green Remodeling. What a great guy! He is very upfront and honest about what we can expect in terms of cost and work flow. Because of his honest approach, we hired him. We felt he gave us the good and bad and how to resolve the bad as well. In the end, the process was fairly smooth, and the few hick-ups we had, for example, the city and their permit process, were well explained to us at the beginning, so we were ready. Our kitchen or bath looks amazing, and I plan to work with Cal Green Remodeling again. Thanks Shai!"

Albert R on December 2023

Unique Home Design & Remodeling

303 Twin Dolphin Dr.

New on HomeAdvisorNew on HomeAdvisor

•Approved Pro

Unique Home Design & Remodeling

303 Twin Dolphin Dr.

New on HomeAdvisorNew on HomeAdvisor

•Approved Pro

1771 local quotes requested

42 years of experience

Unique Home Design & Remodeling is a leader in providing value-added construction services to our customers by creating a successful partnership throughout the construction process. Our pledge is to establish lasting relationships with our customers by exceeding their expectations and gaining their trust through exceptional performance by every member on our construction team. Unique Home Design & Remodeling's mission is to accomplish full customer satisfaction in every area possible from color selection to project completion. Unique Home Design & Remodeling's main focus is to provide our future clients with a professional home improvement experience. We vow to our customers with the highest level of quality construction services at fair market and competitive prices. To ensure the longevity of our company through repeat and referral business achieved by customer satisfaction in all areas including timeliness, attention to detail and service-minded attitudes.

Plan Perfect Remodeling

Bay Area

5.00(

11

)

•Approved Pro

Plan Perfect Remodeling

Bay Area

5.00(

11

)

•Approved Pro

Customers say: Quick response

575 local quotes requested

3 years of experience

At Plan Perfect Remodeling, WE SPECIALIZE IN KITCHEN AND BATH REMODELS but our expertise extends to all aspects of home renovation. Whether you're considering a full home makeover or simply want to refresh specific areas, we're here to bring your vision to life. Not sure where to start? Schedule a complimentary, in-home design consultation with us. Consultation includes 3-D design presentation. Our team will provide expert guidance and tailored recommendations to help you make the most of your space. Let's work together to create a home that reflects your style and exceeds your expectations.

"Fantastic team of honest workers. They took care of every problem and logistics in a professional and timely manner. Extremely happy with the final product, would absolutely refer."

Dominic E on April 2024

At Plan Perfect Remodeling, WE SPECIALIZE IN KITCHEN AND BATH REMODELS but our expertise extends to all aspects of home renovation. Whether you're considering a full home makeover or simply want to refresh specific areas, we're here to bring your vision to life. Not sure where to start? Schedule a complimentary, in-home design consultation with us. Consultation includes 3-D design presentation. Our team will provide expert guidance and tailored recommendations to help you make the most of your space. Let's work together to create a home that reflects your style and exceeds your expectations.

"Fantastic team of honest workers. They took care of every problem and logistics in a professional and timely manner. Extremely happy with the final product, would absolutely refer."

Dominic E on April 2024

Dream Build Services LLC

3654 Thornton Avenue #530

5.00(

7

)

•Approved Pro

Dream Build Services LLC

3654 Thornton Avenue #530

5.00(

7

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

960 local quotes requested

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Dylan and team did a great job. Crew is humble and patient and punctual. Dylan is responsive with queries."

Gaurav S on July 2025

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"Dylan and team did a great job. Crew is humble and patient and punctual. Dylan is responsive with queries."

Gaurav S on July 2025

Bay Remodeling Kitchen & Bath

2033 Gateway Pl #585

5.00(

38

)

•Approved Pro

Bay Remodeling Kitchen & Bath

2033 Gateway Pl #585

5.00(

38

)

•Approved Pro

Customers say: Super punctual

Recommended by 97% of Angi customers

Recommended by 97% of HomeAdvisor customers

804 local quotes requested

Bay Remodeling Kitchen & Bath is a complete home remodeling service including design, kitchen remodeling, bathroom remodeling, flooring, roofing, new build & home additions—owned and operated, general contractor and construction management company. We are a full-service construction contractor with an in-house team providing expertise across all trades, specializing in KITCHEN & BATH REMODELING. We can complete projects ranging in size from residential remodels to retail build-outs to large commercial jobs. We pride ourselves on our collaborative approach and the high client satisfaction we achieve through quality work. CALL US TODAY FOR A FREE CONSULTATION

"From the first consultation to the last walkthrough, the Bay Remodeling Kitchen & Bath team provided exceptional service. They remodeled our kitchen and laid new flooring throughout our house. Every step of the process was expertly and meticulously handled. They answered all of our questions, kept us informed, and ensured we were happy with the result. The quality of their work speaks for itself, therefore we're happy we chose them for our makeover."

Stacy D on December 2024

Bay Remodeling Kitchen & Bath is a complete home remodeling service including design, kitchen remodeling, bathroom remodeling, flooring, roofing, new build & home additions—owned and operated, general contractor and construction management company. We are a full-service construction contractor with an in-house team providing expertise across all trades, specializing in KITCHEN & BATH REMODELING. We can complete projects ranging in size from residential remodels to retail build-outs to large commercial jobs. We pride ourselves on our collaborative approach and the high client satisfaction we achieve through quality work. CALL US TODAY FOR A FREE CONSULTATION

"From the first consultation to the last walkthrough, the Bay Remodeling Kitchen & Bath team provided exceptional service. They remodeled our kitchen and laid new flooring throughout our house. Every step of the process was expertly and meticulously handled. They answered all of our questions, kept us informed, and ensured we were happy with the result. The quality of their work speaks for itself, therefore we're happy we chose them for our makeover."

Stacy D on December 2024

BEAR Remodeling Inc.

2678 N Main St

4.90(

10

)

•Approved Pro

BEAR Remodeling Inc.

2678 N Main St

4.90(

10

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

1467 local quotes requested

Don't wait to create your dream home! ✨ Our new financing options make your remodel projects affordable NOW. 💰 Limited-time rates available—click the link to get started! ➡️https://www.enhancify.com/bear-remodeling-inc **Due to our current installation schedule we have a project minimum* depending on the job size- ask for details as it varies depending on project size- starting at $10 K Please call today to schedule a complimentary consultation 925-567-3021 BEAR Remodeling, Inc. is a family-owned business and a full-service General Contractor that specializes in residential home remodeling projects. Our services include bathroom remodeling, kitchen remodeling, room additions, garage conversions, and ADU'S With full licensing, bonding, and insurance, it ensures a reliable and trustworthy experience for its clients. Our team of experienced professionals, which includes both engineers and designers, collaborate in order to deliver exceptional results, consistently exceeding client expectations and transforming homes into stunning spaces. (we do not work with modular/trailer homes or offer handyman services.)

"Working with BEAR Remodeling on our ADU garage conversion has been a great experience! The 3D design has really helped us see the project before work began. The team has stayed organized, finished on time, and delivered exactly what we had imagined. Everything has turned out clean, modern, and built to last. We have happily recommended BEAR Remodeling to anyone looking for reliable remodeling services!"

Ryker H on May 2025

Don't wait to create your dream home! ✨ Our new financing options make your remodel projects affordable NOW. 💰 Limited-time rates available—click the link to get started! ➡️https://www.enhancify.com/bear-remodeling-inc **Due to our current installation schedule we have a project minimum* depending on the job size- ask for details as it varies depending on project size- starting at $10 K Please call today to schedule a complimentary consultation 925-567-3021 BEAR Remodeling, Inc. is a family-owned business and a full-service General Contractor that specializes in residential home remodeling projects. Our services include bathroom remodeling, kitchen remodeling, room additions, garage conversions, and ADU'S With full licensing, bonding, and insurance, it ensures a reliable and trustworthy experience for its clients. Our team of experienced professionals, which includes both engineers and designers, collaborate in order to deliver exceptional results, consistently exceeding client expectations and transforming homes into stunning spaces. (we do not work with modular/trailer homes or offer handyman services.)

"Working with BEAR Remodeling on our ADU garage conversion has been a great experience! The 3D design has really helped us see the project before work began. The team has stayed organized, finished on time, and delivered exactly what we had imagined. Everything has turned out clean, modern, and built to last. We have happily recommended BEAR Remodeling to anyone looking for reliable remodeling services!"

Ryker H on May 2025

LB Construction & Remodeling

950 Tower Ln

5.00(

7

)

•Approved Pro

LB Construction & Remodeling

950 Tower Ln

5.00(

7

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

1303 local quotes requested

With over 20yrs of professional remodeling experience, we believe that customer satisfaction is the only way to succeed and grow in the remodeling industry! We offer a 100% satisfaction guarantee on all projects from building to designing you can always count on us. Our main focus is residential projects, major home remodeling and additions. We are here to help everyone in the bay area, complete any remodeling project needed at top quality and a satisfactory price! Please take a look at our website and contact us today for all of your remodeling needs! We look forward to serving you!

"My partner and I have had the pleasure of working with Dan, David and the hardworking crew at LB Construction & Remodeling for our what is now an extensive home restoration and renovation project. I cannot express how thrilled I am with the results thus far. From start to finish, their team demonstrated an unparalleled level of knowledge, speed, and attentiveness that truly exceeded my expectations. Truthfully, I didn’t know where to begin with my project, so I was very happy when Angi.com recommended LB. Dan responded quickly and was able to meet me at the house and walk the entire site with me. I had recently purchased my house and it needed extensive repair from years of water damage, including repair and replacement of the wood framing, installation of proper drainage, and foundation work. What truly set Dan and team at LB Construction & Remodeling apart was their willingness to help me hash out the details and various plans for our projects. Dan and David patiently worked with me to explore different options, providing valuable insights and recommendations based on their extensive experience, such as navigating permitting, advising on order of operation. This collaborative approach made me the decision-making process easier and less stressful as I had never done anything like this before. The speed at which LB Construction & Remodeling worked on my projects was truly impressive. They efficiently managed their time without compromising on the quality of their work. Every step of the way, it was evident that they were dedicated to completing the project promptly, ensuring minimal disruption to my daily life. Not to mention their attention to detail and commitment to quality craftsmanship were evident in every aspect of the projects, particularly with the reframing and painting. One of the standout qualities of LB Construction & Remodeling is their exceptional attentiveness. Dan consistently paid close attention to my needs and concerns, making me feel valued as a client. An example of this was when I communicated how I wanted the trim around the windows to look, both inside and out. I sent Dan pictures to illustrate what I was expecting, and he listened to me, verified specifics of my ideas, and walked me through how they would be able to achieve the look easily. Their work was seamless and they captured my vision perfectly. Right from the get-go we felt a sense of trust with Dan and team and that really helped make this entire process enjoyable. I wholeheartedly recommend LB Construction and Remodeling to anyone seeking a trustworthy and skilled team for their home improvement needs. I am eager to continue our other home projects with LB Construction & Remodeling in 2024."

Laura C on January 2024

With over 20yrs of professional remodeling experience, we believe that customer satisfaction is the only way to succeed and grow in the remodeling industry! We offer a 100% satisfaction guarantee on all projects from building to designing you can always count on us. Our main focus is residential projects, major home remodeling and additions. We are here to help everyone in the bay area, complete any remodeling project needed at top quality and a satisfactory price! Please take a look at our website and contact us today for all of your remodeling needs! We look forward to serving you!

"My partner and I have had the pleasure of working with Dan, David and the hardworking crew at LB Construction & Remodeling for our what is now an extensive home restoration and renovation project. I cannot express how thrilled I am with the results thus far. From start to finish, their team demonstrated an unparalleled level of knowledge, speed, and attentiveness that truly exceeded my expectations. Truthfully, I didn’t know where to begin with my project, so I was very happy when Angi.com recommended LB. Dan responded quickly and was able to meet me at the house and walk the entire site with me. I had recently purchased my house and it needed extensive repair from years of water damage, including repair and replacement of the wood framing, installation of proper drainage, and foundation work. What truly set Dan and team at LB Construction & Remodeling apart was their willingness to help me hash out the details and various plans for our projects. Dan and David patiently worked with me to explore different options, providing valuable insights and recommendations based on their extensive experience, such as navigating permitting, advising on order of operation. This collaborative approach made me the decision-making process easier and less stressful as I had never done anything like this before. The speed at which LB Construction & Remodeling worked on my projects was truly impressive. They efficiently managed their time without compromising on the quality of their work. Every step of the way, it was evident that they were dedicated to completing the project promptly, ensuring minimal disruption to my daily life. Not to mention their attention to detail and commitment to quality craftsmanship were evident in every aspect of the projects, particularly with the reframing and painting. One of the standout qualities of LB Construction & Remodeling is their exceptional attentiveness. Dan consistently paid close attention to my needs and concerns, making me feel valued as a client. An example of this was when I communicated how I wanted the trim around the windows to look, both inside and out. I sent Dan pictures to illustrate what I was expecting, and he listened to me, verified specifics of my ideas, and walked me through how they would be able to achieve the look easily. Their work was seamless and they captured my vision perfectly. Right from the get-go we felt a sense of trust with Dan and team and that really helped make this entire process enjoyable. I wholeheartedly recommend LB Construction and Remodeling to anyone seeking a trustworthy and skilled team for their home improvement needs. I am eager to continue our other home projects with LB Construction & Remodeling in 2024."

Laura C on January 2024

Reid Construction & Maintenance

1735 Enterprise Dr

4.43(

159

)

•Approved Pro

Reid Construction & Maintenance

1735 Enterprise Dr

4.43(

159

)

•Approved Pro

Customers say: Quality work

591 local quotes requested

16 years of experience

We are a team of skilled trade professionals dedicated to quality workmanship and trusted relationships with our clients. Our subcontractors are all trusted parts of our team. We strive to coexist with your lifestyle's needs and concerns and we have fun doing our work - which is making the dream of your living space come to life! Serving Napa, Marin, Yolo, Contra Costa & Alameda Counties as well as parts of others. Call to verify. Hourly handyman services are not available in all cities and counties.

"Ben and his team completed work on my condo and I could not be more pleased with the results. I tasked them with a two bathroom remodels, kitchen sink replacement, and the creation of new sliding doors between my office and the master bedroom. Ben, Marcus, and Pete were prompt, professional, and very considerate of my time and space. Of note is Ben's candor when it came to design ideas, and expense. He advised that several of my ideas weren't worth the money, and suggested more cost effective alternatives, which I really appreciated. I would absolutely hire Ben and his team again for future work."

Kyle S on April 2025

We are a team of skilled trade professionals dedicated to quality workmanship and trusted relationships with our clients. Our subcontractors are all trusted parts of our team. We strive to coexist with your lifestyle's needs and concerns and we have fun doing our work - which is making the dream of your living space come to life! Serving Napa, Marin, Yolo, Contra Costa & Alameda Counties as well as parts of others. Call to verify. Hourly handyman services are not available in all cities and counties.

"Ben and his team completed work on my condo and I could not be more pleased with the results. I tasked them with a two bathroom remodels, kitchen sink replacement, and the creation of new sliding doors between my office and the master bedroom. Ben, Marcus, and Pete were prompt, professional, and very considerate of my time and space. Of note is Ben's candor when it came to design ideas, and expense. He advised that several of my ideas weren't worth the money, and suggested more cost effective alternatives, which I really appreciated. I would absolutely hire Ben and his team again for future work."

Kyle S on April 2025

BE&D Builders

3125 73rd Ave

3.33(

3

)

•Approved Pro

BE&D Builders

3125 73rd Ave

3.33(

3

)

•Approved Pro

Customers say: Quick response

Recommended by 100% of Angi customers

Recommended by 100% of HomeAdvisor customers

463 local quotes requested

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"My project was a major renovation of a 1985 Victorian home that suffered a devastating fire. Erik and his team did a beautiful job following my architect’s plans, and was also proactive about calling out necessary changes. He was very patient with all of my changes and very specific requests, and was a very calming influence when unexpected surprises inevitably arose during construction. The final results are beautiful, and an historic house has been saved. I look forward to working with Erik again in the future!"

johanna s on September 2024

We specialize in all phases of remodeling for your home, business, bathrooms, kitchens, finishing basements, and more! We offer a diverse range of services tailored to meet the unique needs of every customer. We take a personalized approach to each project. We work closely with our clients to understand their vision, preferences, and budgetary requirements. We strive to exceed expectations by delivering exceptional service, great quality work, and professionalism on every job. Read more below on all the services we offer and contact us with any questions or to schedule a free estimate today!

"My project was a major renovation of a 1985 Victorian home that suffered a devastating fire. Erik and his team did a beautiful job following my architect’s plans, and was also proactive about calling out necessary changes. He was very patient with all of my changes and very specific requests, and was a very calming influence when unexpected surprises inevitably arose during construction. The final results are beautiful, and an historic house has been saved. I look forward to working with Erik again in the future!"

johanna s on September 2024

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Reid Construction & Maintenance

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BE&D Builders

The Oakland, CA homeowners’ guide to second story addition building services

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Geico Builders

Geico Builders

Cal Green Remodeling

Cal Green Remodeling

Unique Home Design & Remodeling

Unique Home Design & Remodeling

Plan Perfect Remodeling

Plan Perfect Remodeling

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Dream Build Services LLC

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Bay Remodeling Kitchen & Bath

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BEAR Remodeling Inc.

LB Construction & Remodeling

LB Construction & Remodeling

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Reid Construction & Maintenance

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The Oakland, CA homeowners’ guide to second story addition building services

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