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Find Second story addition builders in San Marcos

Avatar for OBE Contractors

OBE Contractors

5.00(
3
)
•Approved Pro

OBE Contractors

5.00(
3
)
•Approved Pro
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers
255 local quotes requested

We specialize in electrical services, repairs, installs, lighting, panel upgrades, EV charging station, ceiling fans, and more! We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"I’m very pleased with the work performed by OBE Contractors. The entire process from quoting to final cleanup exceeded my expectations. I will definitely contact them again for further projects."

David W on April 2024

We specialize in electrical services, repairs, installs, lighting, panel upgrades, EV charging station, ceiling fans, and more! We pride ourselves on the quality work we provide, while delivering great customer service! Check out all the services we offer below and call -or- click to schedule a free estimate today!

"I’m very pleased with the work performed by OBE Contractors. The entire process from quoting to final cleanup exceeded my expectations. I will definitely contact them again for further projects."

David W on April 2024

Avatar for DM Building Inc

DM Building Inc

4.90(
51
)
•Approved Pro

DM Building Inc

4.90(
51
)
•Approved Pro
Customers say: Quality work
Recommended by 98% of Angi customers
Recommended by 98% of HomeAdvisor customers
207 local quotes requested

We specialize in, but are not limited to: new home construction, framing, additions, bathroom remodels, kitchen remodels, outdoor living areas, home maintenance and repairs. DM building works on both residential and industrial buildings. We are fully licensed and insured like Licenced General Contractor, License No. 939850, and prepared to work on jobs of all sizes and scales. We are continually working on improving our skills by training and updating our materials and skills to provide you the customer with the highest quality products and best experience. We are available for all of your construction, remodel and repair needs.

"DM Building was great! Very professional and Danny, the owner gave a fair price for the amount of work that we needed for our bathroom. The crew did great professional work and knew what they were doing. Our bathroom turned out great and we are very happy with it. Highly recommend!"

Kevin S on March 2021

We specialize in, but are not limited to: new home construction, framing, additions, bathroom remodels, kitchen remodels, outdoor living areas, home maintenance and repairs. DM building works on both residential and industrial buildings. We are fully licensed and insured like Licenced General Contractor, License No. 939850, and prepared to work on jobs of all sizes and scales. We are continually working on improving our skills by training and updating our materials and skills to provide you the customer with the highest quality products and best experience. We are available for all of your construction, remodel and repair needs.

"DM Building was great! Very professional and Danny, the owner gave a fair price for the amount of work that we needed for our bathroom. The crew did great professional work and knew what they were doing. Our bathroom turned out great and we are very happy with it. Highly recommend!"

Kevin S on March 2021

Avatar for Nucave Construction Inc.

Nucave Construction Inc.

4.67(
15
)
•Approved Pro

Nucave Construction Inc.

4.67(
15
)
•Approved Pro
Customers say: Quick response
Recommended by 93% of Angi customers
Recommended by 93% of HomeAdvisor customers
678 local quotes requested

Nucave Construction Inc. is a one stop shop that will see your vision into reality. Persistent project management and planning make Nucave your go-to choice for construction projects far and wide. Specializing in custom homes, adu's, additions, and major remodels

"It went well. They are good and I will recommend them to anyone"

Anil C on August 2022

Nucave Construction Inc. is a one stop shop that will see your vision into reality. Persistent project management and planning make Nucave your go-to choice for construction projects far and wide. Specializing in custom homes, adu's, additions, and major remodels

"It went well. They are good and I will recommend them to anyone"

Anil C on August 2022

Avatar for Sentri Homes

Sentri Homes

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro

Sentri Homes

New on HomeAdvisorNew on HomeAdvisor
•Approved Pro
838 local quotes requested
2 years of experience

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

Sentri Homes is a full-service contractor delivering high-end home additions, whole-home remodels, new custom builds, luxury kitchens, structural framing, roof replacements, and every major renovation. We assign a dedicated project manager to every job, deliver meticulous craftsmanship with clear communication, and back our work with an industry-leading warranty to ensure complete peace of mind on your largest investments. Our in-house team of licensed builders and master craftsmen consistently earns 5-star reviews by turning big visions into stunning, high-value homes—when you need one trusted partner who truly does it all, we’re the proven choice.

KL9 Construction

5.00(
9
)

KL9 Construction

5.00(
9
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

Owner-operated, two employees. Sub out specific trades. Cost is determined by the job. License number 622634. For more information please email: kl9construction@gmail.com

Owner-operated, two employees. Sub out specific trades. Cost is determined by the job. License number 622634. For more information please email: kl9construction@gmail.com

Avatar for Ron Mason Heating Air Conditioning and General Bui

Ron Mason Heating Air Conditioning and General Bui

2.00(
1
)

Ron Mason Heating Air Conditioning and General Bui

2.00(
1
)
Customers say: Quick response
31 years of experience

Full Service Residential and Light Commercial Heating, Air Conditioning and Indoor Air Quality Contractor.

Full Service Residential and Light Commercial Heating, Air Conditioning and Indoor Air Quality Contractor.

Heart & Stone

No reviews yet

Heart & Stone

No reviews yet
Free onsite estimate

My goal is to help you find solutions that creates the "wow effect" for your projects, by learning about you, your needs, and design issues to transform your vision into the space. I provide new inspiration and ideas, while incorporating elements of your liking into every concept. The smallest details can make a real impact when it comes to designing a space, but only a true professional knows how to bring these details together to create a seamless design. I was trained as an interior architect and have experience with clients in the private and public sectors in Southern California. I offer each of my clients unique and innovative solutions to their design needs. From initial concept to installation, I'll take care of everything, and you are more than welcome to get involved as much as you wish to!

My goal is to help you find solutions that creates the "wow effect" for your projects, by learning about you, your needs, and design issues to transform your vision into the space. I provide new inspiration and ideas, while incorporating elements of your liking into every concept. The smallest details can make a real impact when it comes to designing a space, but only a true professional knows how to bring these details together to create a seamless design. I was trained as an interior architect and have experience with clients in the private and public sectors in Southern California. I offer each of my clients unique and innovative solutions to their design needs. From initial concept to installation, I'll take care of everything, and you are more than welcome to get involved as much as you wish to!

Avatar for Family Interiors

Family Interiors

4.55(
33
)

Family Interiors

4.55(
33
)
Customers say: True professional
49 years of experience

Hello and Welcome to Family Carpet and Draperies. We specialize in all your flooring and window covering needs. We are a family owned and operated company which enables us to have high quality products for the lowest price possible. Here at Family we value our customers and provide you with a comfortable no pressure sale. All of our installers are licensed and bonded. Family Carpet and Draperies really is the place to satisfy your home improvement needs. So call now for a free in home estimate. License # 709839

"Man was 5 minutes late. We had the baseboards on hand. No other material was needed. He finished the job in 50-55 minutes. Did a Excellent job. He could not give me cost of job at this time. We were billed $250.00. After a few calls to office they reduced the invoice to $200.00 for less than 1 hours work. We have used them over the years for our home in Lemon Grove ( shutters and carpets). Also at our home in La Mesa for complete window coverings. Will no longer use them or REFER THEM TO OUR FRIENDS AND NEIGHBORS!"

carol s on July 2020

Hello and Welcome to Family Carpet and Draperies. We specialize in all your flooring and window covering needs. We are a family owned and operated company which enables us to have high quality products for the lowest price possible. Here at Family we value our customers and provide you with a comfortable no pressure sale. All of our installers are licensed and bonded. Family Carpet and Draperies really is the place to satisfy your home improvement needs. So call now for a free in home estimate. License # 709839

"Man was 5 minutes late. We had the baseboards on hand. No other material was needed. He finished the job in 50-55 minutes. Did a Excellent job. He could not give me cost of job at this time. We were billed $250.00. After a few calls to office they reduced the invoice to $200.00 for less than 1 hours work. We have used them over the years for our home in Lemon Grove ( shutters and carpets). Also at our home in La Mesa for complete window coverings. Will no longer use them or REFER THEM TO OUR FRIENDS AND NEIGHBORS!"

carol s on July 2020

Avatar for CAIRNSCRAFT DESIGN & REMODEL

CAIRNSCRAFT DESIGN & REMODEL

4.95(
22
)

CAIRNSCRAFT DESIGN & REMODEL

4.95(
22
)
Customers say: Quick response
Recommended by 100% of Angi customers
Recommended by 100% of HomeAdvisor customers

CairnsCraft Design & Remodel is an award winning design build firm serving clients throughout the San Diego metro area. Established in 1990 by Charles & Marie Cairns, owned and operated by highly qualified, trusted experts in home remodeling. Offering design services, project development, management, and construction, we are your trusted dependable partners, uniquely qualified to remodel homes to be functional and usable by anyone, regardless of age or ability. Give us the opportunity to provide you with an exceptional home. We are a Design Build Company, specializing in Kitchen, Bathroom, Home Addition, including Full Home Remodel.

""I had my kitchen remodeled recently. Charles and Marie from CairnsCraft Design & Remodel were there at every step of the way and very helpful. I was a bit concerned at first as I was expecting out of town guests in early August and I was told that the work would probably last till the end of July. But thanks to Marie’s excellent work, scheduling and coordination, it was completed earlier than I expected. Thank you, Marie and Charles.""

Yoshi B on October 2018

CairnsCraft Design & Remodel is an award winning design build firm serving clients throughout the San Diego metro area. Established in 1990 by Charles & Marie Cairns, owned and operated by highly qualified, trusted experts in home remodeling. Offering design services, project development, management, and construction, we are your trusted dependable partners, uniquely qualified to remodel homes to be functional and usable by anyone, regardless of age or ability. Give us the opportunity to provide you with an exceptional home. We are a Design Build Company, specializing in Kitchen, Bathroom, Home Addition, including Full Home Remodel.

""I had my kitchen remodeled recently. Charles and Marie from CairnsCraft Design & Remodel were there at every step of the way and very helpful. I was a bit concerned at first as I was expecting out of town guests in early August and I was told that the work would probably last till the end of July. But thanks to Marie’s excellent work, scheduling and coordination, it was completed earlier than I expected. Thank you, Marie and Charles.""

Yoshi B on October 2018

Cordial cabinets

No reviews yet

Cordial cabinets

No reviews yet
35 years of experience

C-6 contractor

C-6 contractor

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FAQs for second story addition building service projects in San Marcos, CA

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.

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.

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.

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

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

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