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Top-Rated Addition to existing structure builders in San Bruno - Updated Nov 2026

Avatar for OT Bay Builders
OT Bay Builders
4.9(
118
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2021

Free estimates

Warranties offered

"Our basement went from a dark storage area to a cozy family room and home office. The remodel was smooth from start to finish. Great communication, thoughtful design ideas, and skilled workmanship throughout."
Broadway Kitchen Remodel
Broadway Full Kitchen remodel
Broadway Full Kitchen remodel
San Francisco Contemporary Kitchen Remodel
San Francisco Contemporary Kitchen Remodel

+81

Response time12 hrs
Response rate100%
Recommended by63%of homeowners
Avatar for S&L REMODELING AND DESIGN INC
S&L REMODELING AND DESIGN INC
4.9(
47
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 2013

Free estimates

Offers commercial services

"Great! Excellent communication from the project manager, work crew went out of their way to do a great job and to pick up materials for me when delivery wasn't possible. They were punctual, cleaned up at the end of each day, tried to minimize the intrusion as much possible, and were really nice guys, great to work with. Work was done on time and on budget. Kitchen looks great and I couldn't be happier. The price was for labor and raw materials. We supplied the cabinets, lighting, countertops, sink, appliances, and windows. We also decided to get the attic insulated at the same time at their suggestion- that addition was not included in the cost below (I don't remember how much it was but it was reasonable.) Here's what the work included: Demo existing kitchen including walls, floor, ceiling and windows. New electrical sub panel and wiring in kitchen Gas line added to kitchen (gas was already in the basement area) Installation of new walls, floors, ceiling, windows, doors, trim Installation of cabinets, countertops, appliances, sink Painting Attic insulation (additional)"
Moraga - Bathroom
Moraga - Bathroom
Moraga - Bathroom
Moraga - Bathroom
Moraga - Bathroom

+65

Response time1 day
Response rate100%
9 neighbors recently requested a quote
Avatar for Masterful Construction, Inc.
Masterful Construction, Inc.
5.0(
28
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"I am extremely satisfied with the custom home building services provided by Masterful Construction. From the initial consultation to the final walkthrough, their team demonstrated a high level of professionalism and dedication. They guided us through the entire process, providing valuable insights and suggestions that helped us make informed decisions. The craftsmanship and attention to detail exhibited by their builders were exceptional, resulting in a beautiful and functional home. Masterful Construction exceeded our expectations in every aspect!"
master bathroom
san mateo master bath
mirror
Master bathroom
master bathroom

+66

Response time12 hrs
Response rate85%
3 neighbors recently requested a quote
Avatar for Bay Remodeling Kitchen & Bath
Bay Remodeling Kitchen & Bath
5.0(
69
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

Super Service Award Winner

In business since 2006

Free estimates

Emergency services offered

"Excellent to work with. Highly recommend hiring Eli and his Team. Very communicative and committed to completing projects in a very timely and efficient manner. Very happy with our bathroom upgrades"
Palo Alto full Home Remodel
Full Bathroom Remodel Mountain Veiw, CA
Portola Valley, CA
Bathroom Remodel in Palo Alto, CA
Bathroom Remodel San Jose, CA

+183

15 neighbors recently requested a quote
Recommended by67%of homeowners
Avatar for McCormick Home Builders, Inc.
McCormick Home Builders, Inc.
4.7(
42
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 2017

Free estimates

Customers say: True professional

"We decided to remodel our outdated bathroom, and McCormick Home Builders was a fantastic choice. Khaled and the team delivered high-quality work within the timeline and our budget. Every detail, from the tile work to the lighting, was beautifully done. They communicated well throughout, keeping us informed at every step, and the end result was truly a spa-like bathroom we can enjoy daily. We’d love to work with them again!"
.
.
.
.
.

+1

Response time6 hrs
Recommended by17%of homeowners
Avatar for Lindgren Construction
Lindgren Construction
4.3(
36
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 1996

Free estimates

Small jobs welcome

"Having purchased this second home out of state and literally knowing nothing about the area and what was needed to set up the reconstruction, he was highly recommended by our real estate agent and had great references from other homeowners in the area. Eric helped us find a local architect/designer, worked with the building planning district, water district, etc. etc. so he's much more than just a General Contractor.  We simply could not have completed the work without him. As with all remodels, it's stressful and he was the calm, steady person needed to keep everyone in check.  He had great sub-contractors and every portion of the work was completed as guaranteed per the contract.  When there were hiccups, he fixed it.  He did all the hard work, just coordinated with us to be sure we got what we expected from each phase.  The results exceeded all our expectations.  No hesitation with recommending him for any job, large or small.
"
Recommended by92%of homeowners
Avatar for Axiom Renovation Inc.
Axiom Renovation Inc.
5.0(
10
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 2023

Free estimates

Credit card accepted

"Our whole-home renovation included removing walls to create a more open floor plan. Victor kept the work moving efficiently and communicated progress regularly. The finished design feels brighter, more welcoming, and perfectly suited to our lifestyle."
Response time1 day
Response rate100%
21 neighbors recently requested a quote
Avatar for Unique Home Design & Remodeling
Unique Home Design & Remodeling
4.5(
58
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 1983

Free estimates

Warranties offered

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.

Response time2 days
Response rate100%
39 neighbors recently requested a quote
Avatar for Tech Line Construction, Inc.
Tech Line Construction, Inc.
4.9(
19
)
Addition to Existing Structure - Build

Serving San Bruno, CA and surrounding areas

Approved

In business since 2007

Free estimates

Emergency services offered

"Techline Construction was excellent to work with. Lorena and the crew were very professional from the start. Whenever I had any questions they were there to clarify and quality work was excellent. I will definitely hire them for future projects."
Fremont
Fremont
Remodel
Beautiful Kitchen Remodel
Beautiful Kitchen Remodel

+28

Response time2 days
3 neighbors recently requested a quote
Recommended by61%of homeowners
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FAQs for addition to existing structure building service projects in San Bruno, CA

You can typically raise your roof by four to eight feet, depending on your home's structure and roof design. The exact amount depends on factors like roof slope and framing support. Raising the roof creates additional interior space, enhances natural light, and increases your home's value. Consult a professional to determine the feasible height increase for your home.

Yes, you need a building permit to raise your roof. Obtaining a building permit ensures your project complies with local building codes and safety regulations. A professional contractor can assist with the permit and inspection process and ensure all legal and safety requirements are met. Your contractor will be familiar with building codes in your area, which can differ between cities or states.

While it's possible to raise a flat roof, it requires extensive structural modifications. Flat roofs lack the attic space and support structures of pitched roofs, so raising them involves significant engineering to ensure safety and durability. This process can be complex and costly, so professional assessment is essential before undertaking a project of this magnitude.

The San Bruno, 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.