Addition Building & Design Inc

Licensed general contractor in Sherman Oaks, Los Angeles, California

CSLB licence active4.8(32 reviews)

Addition Building & Design Inc holds CSLB licence 925471, active, licensed since 1 Dec 2008, rated 4.8 from 32 Google reviews. Bonded for $25,000 with Business Alliance Insurance Company. Clean CSLB record, with no citations, complaints or legal actions disclosed.

90score

Report card

  • Licence activeCSLB #925471, class B. Issued 1 Dec 2008, expires 31 Dec 2026.
  • Licensed 18 yrsSince 1 Dec 2008.
  • Bonded$25,000 with Business Alliance Insurance Company, since 30 Oct 2024. California requires the same $25,000 bond of every contractor.
  • Workers' comp insuredInsurance Company of the West, policy WSD508468801, valid to 1 Jun 2027.
  • Clean CSLB recordNo citations, complaints or legal actions disclosed.CSLB record
  • Website shows the licenceTheir own site displays licence #925471.
  • 77 building permits since 2020Pulled under this licence (City of Los Angeles, LADBS), most recently 17 May 2023.

Checked against the Contractors State License Board (CSLB) register on 4 Nov 2026.

About Addition Building & Design Inc

People on the licence
Michael Edward Ross (officer), Barbara Jean Ross (qualifier, CEO and president)

Google reviews

4.8(32 reviews)
George Danayan★★★★★ a month agoView on Google

We’ve had the pleasure of working with Addition Building & Design and their team on multiple projects, and they have consistently been great to work with. They are professional, organized, detail-oriented, and take a lot of pride in the quality of their work. As a supplier and contractor, we work with many builders throughout Southern California, and we truly appreciate companies that communicate well, treat their c…

Jeff Landau★★★★★ 3 months agoView on Google

Mike's team made a full kitchen remodel—including a reconfiguration —feel effortless from start to finish. The bid came in right on budget, and there were no surprise costs or delays along the way. Communication was excellent throughout, and the crew was organized, professional, and easy to work with at every step. The design, material choices and workmanship was outstanding. Beyond the kitchen, they built a showsto…

Yosef Ledger★★★★★ a month agoView on Google

Addition Building & Design did a fantastic job with our room addition and remodeling project. The craftsmanship was top-tier, and the team completed everything right on schedule.

anna camacho★★★★★ 6 months agoView on Google

I totally recommend Addition building & Design . You will have an excellent experience with Mike and his team. Professional, reliable, and skilled. They complete every project efficiently and with high quality. A+ communication- 5 stars

jason scherbert★★★★★ 5 months agoView on Google

Running an HVAC business myself, I appreciate great craftsmanship when I see it. This team puts in the effort, and it shows in their portfolio. I look forward to working with them on future projects and highly recommend reaching out to see what solutions they can bring to the table.

Read all 32 reviews on Google Reviews and photos from Google, 4 Nov 2026.

Recent permits

Building permits pulled under licence #925471, from City of Los Angeles, LADBS open data, which names contractors up to 19 May 2023. Locations are shown to ZIP code only.

  • 17 May 2023 · Bldg-Alter/Repair · ZIP 914233 bathroom(s).Bathroom remodel for residential buildings (no structura
  • 17 May 2023 · HVAC · ZIP 914231 or 2 Family Dwelling
  • 17 May 2023 · Bldg-Alter/Repair · ZIP 91423Replace 20 window(s). Same size, location, number, type. Replace 5 doo
  • 17 May 2023 · Bldg-Alter/Repair · ZIP 91423Re-roof with Class A or B roof covering material weighing less than 6
  • 17 May 2023 · Plumbing · ZIP 914231 or 2 Family Dwelling

Why it ranks #128 of 9,857 general contractors in Los Angeles

Years licensed weight 3090%
Complaint record weight 25100%
Bond and workers' comp weight 10100%
Google reviews weight 3580%

Score 90.1 / 100. Claiming this listing or using Theo never changes it. How we rank

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