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Find Addition to existing structure builders in Santa Cruz

Mike Kelly Construction, Inc.

2600 Monterey Avenue
4.53(
26
)
Approved Pro

Mike Kelly Construction, Inc.

2600 Monterey Avenue
4.53(
26
)
Approved Pro
Customers say: Terrific value
20 years of experience
Free onsite estimate

Mike Kelly Construction is a locally owned and operated company serving Santa Cruz County and beyond. Mike and his crew have decades of experience in construction and remodeling. We can help you with everything from handyman services to building the home of your dreams. No job is too small, for our business grows by building long-term relationships with our customers. Hire us once, and you'll be a client for years to come. Mike Kelly Construction is a Certified Green Building Professional and also has an EPA lead renovator certificate. Give us a call and tell us how we can be of service.

"Mike kelly is an experienced general contractor that replaced siding on my very step and tall house and rebuilt a beautiful redwood deck off upstairs master. His crew are very talented and friendly cleaning up every night."

Wendy R on July 2025

Mike Kelly Construction is a locally owned and operated company serving Santa Cruz County and beyond. Mike and his crew have decades of experience in construction and remodeling. We can help you with everything from handyman services to building the home of your dreams. No job is too small, for our business grows by building long-term relationships with our customers. Hire us once, and you'll be a client for years to come. Mike Kelly Construction is a Certified Green Building Professional and also has an EPA lead renovator certificate. Give us a call and tell us how we can be of service.

"Mike kelly is an experienced general contractor that replaced siding on my very step and tall house and rebuilt a beautiful redwood deck off upstairs master. His crew are very talented and friendly cleaning up every night."

Wendy R on July 2025


Avatar for Nicholas Bertram

Nicholas Bertram

394 Hames Rd
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Nicholas Bertram

394 Hames Rd
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
15 years of experience
Free onsite estimate

Bertram Builders LLC is a locally owned, Santa Cruz county based general building contractor that specializes in residential construction and framing. We are a team of hardworkers who take pride in quality and honesty. From full-on interior remodels and ground-up construction, to decks, bathroom remodels and ADU's we strive to do the right thing and make your home dreams a reality.

Bertram Builders LLC is a locally owned, Santa Cruz county based general building contractor that specializes in residential construction and framing. We are a team of hardworkers who take pride in quality and honesty. From full-on interior remodels and ground-up construction, to decks, bathroom remodels and ADU's we strive to do the right thing and make your home dreams a reality.


Avatar for Hamilton Construction

Hamilton Construction

421 Lighthouse Ave
4.80(
5
)
Approved Pro

Hamilton Construction

421 Lighthouse Ave
4.80(
5
)
Approved Pro
Customers say: Quality work
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
21 years of experience

Justin Hamilton with Hamilton Construction would like to provide you with the same exceptional addition, remodel and deck service that our current customers in the Santa Cruz area enjoy. Call us today!

"My husband and I are so happy with the work they did. Our front porch looks great. I also hired them to fix a wall of our rooftop deck. I have recommended Justin to a neighbor and he will be working on his house soon."

Lisa P on October 2018

Justin Hamilton with Hamilton Construction would like to provide you with the same exceptional addition, remodel and deck service that our current customers in the Santa Cruz area enjoy. Call us today!

"My husband and I are so happy with the work they did. Our front porch looks great. I also hired them to fix a wall of our rooftop deck. I have recommended Justin to a neighbor and he will be working on his house soon."

Lisa P on October 2018


Avatar for BE HOME REMODELING INC

BE HOME REMODELING INC

282 Bayview Ave
4.95(
11
)
Approved Pro

BE HOME REMODELING INC

282 Bayview Ave
4.95(
11
)
Approved Pro
Customers say: Quick response
459 local quotes requested
1 years of experience

Be Home Remodeling is a home improvement company dedicated to transforming spaces with quality craftsmanship and personalized service. We specialize in a range of remodeling projects, from kitchens and bathrooms to full home renovations, back yard remodeling and more. Our team of experienced professionals collaborates closely with clients to understand their vision and bring it to life, ensuring each project reflects their style and meets their needs. Whether you're looking to update a single room or undertake a complete overhaul, Be Home Remodeling is here to make your dream home a reality.

"My journey began when I met Mario from Be Home Remodeling. I started with just one bathroom remodel, and I was immediately impressed by the professionalism, attention to detail, and high-quality craftsmanship he and his team delivered. The communication throughout the project was clear and consistent, and they made sure every step met my expectations. Since then, I?ve trusted Be Home Remodeling with additional projects and have always been more than satisfied with the results. Highly recommend Mario and his team to anyone looking for reliable and high-quality construction work"

nate b on July 2025

Be Home Remodeling is a home improvement company dedicated to transforming spaces with quality craftsmanship and personalized service. We specialize in a range of remodeling projects, from kitchens and bathrooms to full home renovations, back yard remodeling and more. Our team of experienced professionals collaborates closely with clients to understand their vision and bring it to life, ensuring each project reflects their style and meets their needs. Whether you're looking to update a single room or undertake a complete overhaul, Be Home Remodeling is here to make your dream home a reality.

"My journey began when I met Mario from Be Home Remodeling. I started with just one bathroom remodel, and I was immediately impressed by the professionalism, attention to detail, and high-quality craftsmanship he and his team delivered. The communication throughout the project was clear and consistent, and they made sure every step met my expectations. Since then, I?ve trusted Be Home Remodeling with additional projects and have always been more than satisfied with the results. Highly recommend Mario and his team to anyone looking for reliable and high-quality construction work"

nate b on July 2025


Avatar for Rose Remodeling & Design Inc.

Rose Remodeling & Design Inc.

899 Persimmon Ave
5.00(
13
)
Approved Pro

Rose Remodeling & Design Inc.

899 Persimmon Ave
5.00(
13
)
Approved Pro
Customers say: Quick response
19 local quotes requested
2 years of experience

Rose Remodeling & Design Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"I had a second storey addition completed by Rose Remodeling, and the results are truly amazing. The team did an outstanding job blending the new structure seamlessly with the existing architecture so that it looks like it was always part of the house. Adir guided us through every step, answered all of our questions, and kept the process stress-free. We now have the extra space we needed, and the work exceeded all of our expectations. Highly recommend their services."

Romeo D on October 2025

Rose Remodeling & Design Inc. is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers' interests, and make their concerns the basis of our business.

"I had a second storey addition completed by Rose Remodeling, and the results are truly amazing. The team did an outstanding job blending the new structure seamlessly with the existing architecture so that it looks like it was always part of the house. Adir guided us through every step, answered all of our questions, and kept the process stress-free. We now have the extra space we needed, and the work exceeded all of our expectations. Highly recommend their services."

Romeo D on October 2025


Avatar for Balestreri Builders, Inc.

Balestreri Builders, Inc.

19036 Fieldstone Ct
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

Balestreri Builders, Inc.

19036 Fieldstone Ct
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
15 years of experience
Free onsite estimate

When you are looking for a contractor that follows business practices such as promptly returning phone calls, arriving on time for appointments and following through on promises then call our reputable business today.. We will be the one and only contractor you'll ever need. Our customer satisfaction is our top priority and will earn your trust for a lifetime. You can be assured you're in good hands with our crew working on your home improvement project. Call us today you’ll be pleased you did

When you are looking for a contractor that follows business practices such as promptly returning phone calls, arriving on time for appointments and following through on promises then call our reputable business today.. We will be the one and only contractor you'll ever need. Our customer satisfaction is our top priority and will earn your trust for a lifetime. You can be assured you're in good hands with our crew working on your home improvement project. Call us today you’ll be pleased you did


Avatar for R H Custom Remodeling

R H Custom Remodeling

20149 Thompson Road
5.00(
14
)
Approved Pro

R H Custom Remodeling

20149 Thompson Road
5.00(
14
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
38 years of experience

Thanks for considering R.H Custom Building and Remodeling for your remodel or building project. As a licensed contractor since 1993, R.H Custom Building and Remodeling has specialized in the residential remodeling industry. From design and materials selection, through construction to final trim work, your project is our priority. All phases of Residential Construction are handled: New Homes, Additions, Kitchen and Bath, and Structural Alterations. Call R.H. Custom Building and Remodeling today at 408-354-1911, or Email rich@rhcustombr.com and let’s get your project started.

"Rich Horton is great to work with. He has excellent project management and technical skills. Our project was a complete teardown and rebuild. He managed all aspects of this project with adroitness, graciousness and good humor. Rich always had a firm hand on all the details."

Liz E on May 2024

Thanks for considering R.H Custom Building and Remodeling for your remodel or building project. As a licensed contractor since 1993, R.H Custom Building and Remodeling has specialized in the residential remodeling industry. From design and materials selection, through construction to final trim work, your project is our priority. All phases of Residential Construction are handled: New Homes, Additions, Kitchen and Bath, and Structural Alterations. Call R.H. Custom Building and Remodeling today at 408-354-1911, or Email rich@rhcustombr.com and let’s get your project started.

"Rich Horton is great to work with. He has excellent project management and technical skills. Our project was a complete teardown and rebuild. He managed all aspects of this project with adroitness, graciousness and good humor. Rich always had a firm hand on all the details."

Liz E on May 2024


Avatar for J J Construction & Remodeling, Inc.

J J Construction & Remodeling, Inc.

10471 E Hills Ct
5.00(
2
)
Approved Pro

J J Construction & Remodeling, Inc.

10471 E Hills Ct
5.00(
2
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
35 local quotes requested

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Over 10 years experience in the Contracting Industry. Fully licensed and Insured. Family owned and operated business.

"Our goal was to build a structurally safe garage storage loft. Juan and Julian were a great team to work with. They were very professional and organized- they gave us a quote and clearly communicated what the plan would look like from beginning to end. They guided us on the items that we needed to buy prior to starting the work in order to complete the project within the estimated time. They suggested modifications that were minor fixes but made the layout make more sense in terms of placement. Their crew finished a day ahead of schedule. They kept a clean work site and the quality of the results were great. I would gladly work with them on another home project in the future!"

Anthony G on April 2025

We take great pride in our experience, expertise, quality, and customer service that we provide to meet the consumer's needs. It is our mission to provide excellent workmanship and complete customer satisfaction from start to completion of a project. In order to understand the needs and expectations of our customers, we take great care to work and communicate with every customer in a professional manner. Our reputation is based on service, safety, and quality, regardless of how large or small the job. Over 10 years experience in the Contracting Industry. Fully licensed and Insured. Family owned and operated business.

"Our goal was to build a structurally safe garage storage loft. Juan and Julian were a great team to work with. They were very professional and organized- they gave us a quote and clearly communicated what the plan would look like from beginning to end. They guided us on the items that we needed to buy prior to starting the work in order to complete the project within the estimated time. They suggested modifications that were minor fixes but made the layout make more sense in terms of placement. Their crew finished a day ahead of schedule. They kept a clean work site and the quality of the results were great. I would gladly work with them on another home project in the future!"

Anthony G on April 2025


Avatar for SAN & ZOE GENERAL CONTRACTOR INC

SAN & ZOE GENERAL CONTRACTOR INC

1317 PALMERA AVE
New on HomeAdvisorNew on HomeAdvisor
Approved Pro

SAN & ZOE GENERAL CONTRACTOR INC

1317 PALMERA AVE
New on HomeAdvisorNew on HomeAdvisor
Approved Pro
25 local quotes requested
10 years of experience

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!

We pride our company on reliability, great communication, integrity, and quality work. We are experts in our trade and will do our best to keep you as educated as we can on your particular task or project. We look forward to earning your business!


Avatar for Lakota Design Group

Lakota Design Group

5576 Cooney Place
5.00(
1
)
Approved Pro

Lakota Design Group

5576 Cooney Place
5.00(
1
)
Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
257 local quotes requested

Hi, my name is Larry Murphy, and I'm the owner of Lakota Design Group. We've been designing and installing custom landscape projects in the Bay Area for the past 50 years. During those years we've designed and built everything you can imagine and completed over 5,000 projects. We've also worked for some of the most influential people in Silicon Valley, including executives from Apple, Yahoo & the San Francisco 49ers. From both design & construction viewpoints, we know what works and what doesn't, what looks good & what doesn't. We'll work with you using our custom 3d design process to create your dream landscape design. Then, using your new landscape design, we'll get bids for you from our list of vetted contractors. If you then choose to use one of our contractors for your installation, your design is free since our contractors pay us for it. They also pay us to manage your project, so you don't have to. You can check us out at https://www.lakotadesigngroup.com. We'd love to work with you!

"Punctual. Informative. Friendly. Good work, excellent completion. Pleasing sight."

jan f on September 2024

Hi, my name is Larry Murphy, and I'm the owner of Lakota Design Group. We've been designing and installing custom landscape projects in the Bay Area for the past 50 years. During those years we've designed and built everything you can imagine and completed over 5,000 projects. We've also worked for some of the most influential people in Silicon Valley, including executives from Apple, Yahoo & the San Francisco 49ers. From both design & construction viewpoints, we know what works and what doesn't, what looks good & what doesn't. We'll work with you using our custom 3d design process to create your dream landscape design. Then, using your new landscape design, we'll get bids for you from our list of vetted contractors. If you then choose to use one of our contractors for your installation, your design is free since our contractors pay us for it. They also pay us to manage your project, so you don't have to. You can check us out at https://www.lakotadesigngroup.com. We'd love to work with you!

"Punctual. Informative. Friendly. Good work, excellent completion. Pleasing sight."

jan f on September 2024

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FAQs for addition to existing structure building service projects in Santa Cruz, CA

Yes, hidden rooms are legal, as long as they meet all local building regulations. If you sell your house, most states require homeowners to disclose full houseplans, which would include any hidden rooms.

If your secret room is a safe room, it should contain a means of communication aside from a cell phone, such as a shortwave radio. You should also have plenty of drinking water, a portable generator, emergency food supplies, blankets, pillows, flashlights, batteries and a first aid kit.

Any time you update your home’s square footage, you increase its value, but a secret room is a niche feature that doesn't rank high on every buyer’s list of must-haves. Investing your money in remodeling more common living areas like bedrooms, bathrooms, or kitchens will have a higher ROI than adding a secret room. Many secret rooms can act as entertainment spaces (think a game room or wine cellar) or quiet spaces (a library or study), so when building your secret room you may want to consider its versatility for when you’re ready to sell.

The Santa Cruz, CA homeowners’ guide to addition to existing structure building services

From average costs to expert advice, get all the answers you need to get your job done.

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    HomeAdvisor’s DIY Kitchen Remodel Cost Guide looks at the cost of buying supplies and doing the work yourself. Find the key cost factors and how to cut expenses.

  • Secret room within bookcase

    HomeAdvisor's expert guide walks you through the cost to build a secret room, whether you're creating a safe room for security or a fun space to fulfil your childhood fantasies. Use this guide to help plan your secret room project and explore room, concea

  • outdoor patio bar

    Explore the cost to build a bar in your home and learn how materials, wet vs. dry bars, and labor costs influence the total price of your project.