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Bay Area ADU Builders

Type Five

Based in Berkeley, Alameda County

#22 of 24 on our public score

Builds
Detached
Works in
2 of our citiesBerkeley, Oakland
Its prices
Not published
  • CSLB #1086540 active
  • Class B
  • Licensed since 2022
  • 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
#1086540 (active)
Class
B
Licensed since
2022 (4 years)
Expires
01/31/2028
Name on the license
TYPE FIVE INC
Bond
Atlantic Specialty Insurance Co $25,000
Workers' comp
Everest Premier Insurance Co, exp 05/10/2027
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.

  • Detached Shown on its site
  • Attached Not shown
  • Garage conversion Not shown
  • Junior ADU Not shown
  • Prefab Not shown
  • Own plan library Not shown

Cities it lists that we cover

From its service-area page: “Our current service area covers most of the East Bay and North Bay areas, but we are taking on select projects in other parts of Northern California.” It may name more cities than the 18 we cover; see its full list.

Prices it publishes

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

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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