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The ADU Dudes

Based in Livermore, Alameda County

#13 of 24 on our public score

Builds
Detached, Junior ADU, plus ready-made plans
Works in
11 of our citiesSan Jose, Santa Clara, Sunnyvale and more
Its prices
From $159,000 for a 400 sq ft studio
  • CSLB #1081083 active
  • Class B
  • Licensed since 2021
  • 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.

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License details

License number
#1081083 (active)
Class
B General Building
Licensed since
2021 (5 years)
Expires
09/30/2027
Name on the license
SAN ANDRES CONSTRUCTION (Sole Ownership, Livermore)
Bond
American Contractors Indemnity Co., $25,000 (eff. 01/01/2023)
Workers' comp
Insurance Company of the West policy WSA508746400, 12/14/2025-12/14/2026
From the CSLB record, read Oct 18, 2026. Check it live on CSLB

Worth asking about

  • The license is held by SAN ANDRES CONSTRUCTION (Sole Ownership, Livermore). Make sure that's the company named on your contract.

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: “Our experience spans ADUs, JADUs, home additions, remodels, and full new-home builds throughout the Bay Area / Northern California including:” It may name more cities than the 18 we cover; see its full list.

Prices it publishes

  • “STARTING AT JUST $299 PER SQ FT”

    Source page. Read Oct 18, 2026.

  • “SOLO 400 sq ft studio: As low as $159,000; DUO 650 sq ft: As low as $229,000; DOUBLE DUO 741 sq ft: As low as $259,000; CABANA 783 sq ft: As low as $269,000; PAD 1200 sq ft: As low as $359,000 (+ permit fees, utility connection fees, impact fees etc are not included)”

    Source page. 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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