SFBayADU

Also known as SF Bay ADU

Based in San Jose, Santa Clara County

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 number: #1023342 (active)
Class: B
Licensed since: 2017 (9 years)
Expires: 10/31/2027
Name on the license: BREAKTHROUGH BUILDERS LLC
Bond: Western Surety Company $25,000 contractor bond; plus LLC employee/worker bond $100,000 (Great American); plus Disciplinary Bond $75,000 (Platte River Ins., eff 09/15/2025)
Workers' comp: Exempt (certified no employees), eff 10/09/2025

CSLB shows pending disciplinary action on this license. Read the record on CSLB before you sign anything.
CSLB lists this license as exempt from workers' comp, which means it reports no employees. Ask who will work on your site and whether their subcontractors carry their own coverage.
The license is held by BREAKTHROUGH BUILDERS LLC. Make sure that's the company named on your contract.

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

Its site doesn't name any of the cities we cover.

No prices on its site when we checked on Oct 18, 2026. You'll need a quote.

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.