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Bay Area ADU Builders

Rhino Builders

Based in Lafayette, Contra Costa County

#9 of 24 on our public score

Builds
Detached, Garage conversion, Junior ADU
Works in
1 of our citiesOakland
  • CSLB #580756 active
  • Class B
  • Licensed since 1989
  • Bonded $25,000
  • Workers' comp on file
  • No public complaints on CSLB

From the CSLB record, read Oct 18, 2026. Full license details

See its work and what customers say

No Google, Yelp or Houzz listing found as of Oct 18, 2026.

License details

License number
#580756 (active)
Class
B
Licensed since
1989 (36 years)
Expires
01/31/2027
Name on the license
RHINO BUILDERS INC
Bond
Merchants Bonding Company (Mutual) $25,000
Workers' comp
State Compensation Insurance Fund, exp 11/04/2026
From the CSLB record, read Oct 18, 2026. Check it live on CSLB

What it builds

Only what the company shows on its own site. Links go to the builder's site where we read it.

Cities it lists that we cover

From its service-area page: “Cities We Serve Walnut Creek Concord Discovery Bay San Ramon Alamo Dublin Orinda Moraga Danville Pleasant Hill Oakland” It may name more cities than the 18 we cover; see its full list.

Prices it publishes

  • “$200K – $450K Typical all-in cost for a detached Bay Area ADU — design, permits, and build.”

    Source page, page dated 2026-07-14. Read Oct 18, 2026.

Reviews

Read what customers say on the review sites below. We don't score reviews yet, because we only score what we can check ourselves.

We didn't find a Google, Yelp or Houzz listing for this company.

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