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Bay Area ADU Builders

Valley Home Builders

Based in Santa Clara, Santa Clara County

#3 of 24 on our public score

Builds
Detached, plus ready-made plans
Works in
15 of our citiesSan Jose, San Mateo, Redwood City and more
  • CSLB #889458 active
  • Class B
  • Licensed since 2007
  • 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

Listings found on Google, Yelp and Houzz as of Oct 18, 2026. Ratings and reviews are on the linked listings.

License details

License number
#889458 (active)
Class
B
Licensed since
2007 (19 years)
Expires
01/31/2027
Name on the license
VALLEY HOME BUILDERS INC
Bond
American Contractors Indemnity Co $25,000
Workers' comp
State Compensation Insurance Fund, exp 04/17/2027
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: “We serve homeowners throughout Santa Clara County and San Mateo County” It may name more cities than the 18 we cover; see its full list.

Prices it publishes

  • “The average cost of a complete ADU is between $400 and $800 per square foot.”

    Source page, page dated 2026-09-29. Read Oct 18, 2026.

  • “ADU costs in California are usually over $250,000 and can go up to $600,000 or more, including materials and labor.”

    Source page, page dated 2026-09-29. 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.

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