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MY Cali Builders Inc

Room Additions in Brentwood

Additional interior square footage for families that need more usable space. Serving Brentwood and the San Fernando Valley.

Brentwood

Room Additions contractor in Brentwood

Two questions shape a Brentwood addition before any drawing is finished: where the new square footage sits on a lot that may drop away behind the house, and where everything needed to build it will be staged. Foundation design follows the first and the build programme follows the second. Once footings and framing are in, the roof tie-in and the weather shell close the structure, with inspection scheduling booked stage by stage. The interior half then runs as a finish job rather than a rough one, with flooring, trim, paint and lighting in the new rooms chosen against the finish upgrades going on in the rest of the house, so the addition does not read as a later chapter.

A Brentwood room addition is quoted after somebody stands on the site, and standing on the site is free. At a house in Brentwood Park or up Mandeville Canyon the walk settles where the new square footage can go, where trucks can park, and where material can be stacked, alongside the finish level the adjoining rooms already set. The free estimate that follows is a detailed scope of work and comes with a remodeling consultation, so the client is reading a description of the job rather than a headline number. Permit submissions sit with the company. Licensed and insured under CSLB #1072368 and in business since 2020, it offers financing and a warranty of 5 years on what it completes.

Brentwood area

South Brentwood is one of the neighborhood names covered, and the area falls under ZIP code 90049. An addition starts as a footprint on the lot and finishes as interior work, so both ends of what the client describes for Brentwood, the access and the finish upgrades, land on the same job.

Neighborhoods served: Brentwood Park, Mandeville Canyon, South Brentwood.

Near: San Vicente Boulevard, the Getty Center, Bundy Drive.

What is included

  • Added living space planned around the existing home
  • Foundation, framing, and finish coordination
  • Permit submissions and inspection scheduling
  • Interior tie-ins that keep the layout cohesive

Service overview

How we handle Room Additions

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Room Additions in nearby cities

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We come to your property, assess the project, and provide a written estimate. Free, no obligation.

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Materials and financing

Recent work

Room Additions projects near Brentwood

4 projects

Public reviews

Reviews from real homeowners

Real feedback from Google and Yelp. Every review links to the original profile so you can verify it yourself.

I recently hired My Cali Builders for a backyard remodel and couldn't be happier. Danny and his team were professional, punctual, and easy to communicate with. They really paid attention to the details and brought my vision to life. The quality of the work exceeded my expectations from start to finish. Everything was done cleanly and on schedule, which I really appreciated. Danny made the whole process smooth and stress-free. The backyard now looks amazing and feels like a completely new space. I would definitely recommend them to anyone looking for reliable contractors.

Roy R

Roy R

04/06/2026 06:36:04

Google review
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Honest and straight to the point. Won't waste your time. Quick to resolve any issue you may have.

Joseph Creedon

Joseph Creedon

02/25/2026 01:14:13

Google review
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Was very impressed! Prompt. Highly professional. Thorough. Excellent feedback and service while response completing my job. I absolutely would hire them again and recommend them without any concerns!

melissa dlin

melissa dlin

02/02/2026 21:53:54

Google review
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I began my Yelp search for a company to perform structural repairs and ultimately chose 5 companies, scheduling each of them for a representative to visit and discuss my needs. I chose My Cali Builders based upon Danny's (owner) review of the work and how he defined the scope of the work. The other representatives vacillated on the scope of the work and attached various caveats. My Cali Builders also gave me the best bid. So I hired them and boy, am I glad I did. Work was performed quickly, efficiently and the finish work was excellent. Every task I initially discussed with Danny was completed. Danny's crew including Francisco and Jaime, were top notch and pleasant. Each day, refuse and trash were removed. Every day, Danny either visited or texted to advise on progress and to insure the work was progressing as discussed and to ask if I was satisfied and happy. I can't convey in words how much I appreciated My Cali Builders. Look no further, they are the best I've ever encountered.

Y

Yelp reviewer

Feb 1, 2026

Yelp review
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Danny and crew were amazing! Can't say enough about their ability to stay on budget and perfect timing. PROs all around

Sheri Sadler Wolf

Sheri Sadler Wolf

02/01/2026 17:22:07

Google review
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Danny Raz is a man of action; the work was done promptly and even finished ahead of schedule. The workers were polite, respectful, of cleaned up well after the job.

James Mathers

James Mathers

02/01/2026 16:17:02

Google review
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FAQs

Room Additions in Brentwood - common questions

Answers to the most common questions about this service in your area.

Yes. We have completed multiple Room Additions projects in Brentwood. Call (310) 220-0903 to schedule a free onsite visit, or compare public feedback on the customer reviews page.

Room additions typically run 2 to 4 months from permit approval through punch list. We manage the submittal and inspection schedule. We give you a written schedule during the estimate so milestone dates are clear before field work starts.

Yes, permits are handled on Brentwood room additions. Submissions and inspection scheduling are run by the company as part of the job, against the same drawings the framing is built from, so the office paperwork and the site work describe the same job. What is involved on a particular property is established at the free onsite visit and written into the scope of work rather than described in general terms here.
No figure for a Brentwood room addition is published, and quoting one blind would be dishonest work. Lot access and staging change the labour side, the ground under the new footprint changes the foundation, and the finish level in the adjoining rooms changes the interior. Those are facts about a property, gathered at the free onsite visit and written into the scope of work the estimate rests on.

Yes. CA Contractor License #1072368. Fully insured for liability and workers compensation. The public record is on the CSLB lookup.

A Brentwood room addition is built alongside a house that stays lived in, and that is the ordinary arrangement rather than the exception. The new shell rises outside the existing walls, and the opening between old and new is made later in the programme behind dust protection. Staging is placed so the driveway and the entrance stay usable. The affected rooms and the order they are affected in are named in the scope of work.

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Free onsite visit. Written estimate. You will see the full scope before you decide. No pressure, no vague quotes.

License #1072368. Fully insured. Serving the San Fernando Valley since 2020.