9 Builders
preapproved plan vendor · confidence 3 · license evidence: 1132916
749 sq. ft. 2 bedroom 1 bath ADU
Pending city-review record. Disclose pending status and do not route quote requests.
Provider websiteCounty-level provider research
ADU providers serving Alameda County
Provider research is grouped at the county level because ADU firms typically serve multiple nearby cities. These records are labeled by verification status, and quote routing remains disabled until outreach, active license review, and provider consent are complete.
Provider rows63
Official vendors0
Pending review2
Research leads61
Source-backed
Official/preapproved vendors
These rows can be shown as source-backed, but still require outreach and license review before quote routing.
No matching provider records are ready for this topic yet.
Disclose pending
Pending city-review vendors
These candidates are city-listed as pending review. Keep the pending status visible.
research pending city review
Basically Homes (VitalizeBuild) "Chroma Architecture"
preapproved plan vendor · confidence 3 · license evidence: 1104475
499 sq. ft. 1 bedroom 1 bath ADU
Pending city-review record. Disclose pending status and do not route quote requests.
Provider websiteDiscovery only
Permit-contact research leads
Permit-contact rows are discovery leads only, not verified provider listings.
New Avenue Homes
design build · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a design/build provider
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteActon ADU
design build · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a design/build provider
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteAbodu
prefab modular · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a modular/SIP/kit builder
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteStudio Shed
prefab modular · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a modular/SIP/kit builder
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteMighty Buildings
prefab modular · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a modular/SIP/kit builder
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteUrbatect Development
design build · confidence 3
Provider landing page states San Mateo County ADU design, permitting, and construction service
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteType Five
design build · confidence 3
Provider page advertises ADU builder service for Redwood City
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteInspired ADUs
design build · confidence 3
Provider website lists ADU catalog/portfolio and Bay Area cities including Redwood City and San Mateo
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteNatomas Labs Inc dba Villa Homes
prefab modular · confidence 3 · 1 permit contacts
Appears as contractor on a Redwood City issued ADU permit snippet and provider markets ADU homes
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteADU Builders Group
design build · confidence 3 · license evidence: 1126603
Provider pages advertise ADU builder services in Alameda and San Leandro
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteCollins Remodeling
contractor · confidence 3
Provider page advertises Alameda ADU contractor design, plan, permitting, and build services
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteAlameda Tiny Homes
design build · confidence 3 · license evidence: 867059
Provider website says it designs, permits, and builds turnkey ADUs in Alameda
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteHamilton Exteriors
design build · confidence 3 · license evidence: 1078806
Provider pages advertise architect-led ADU design/build service in Oakland and Fremont
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteElite Modern Construction
contractor · confidence 3 · license evidence: 1066076
Provider website advertises Fremont home remodeling/ADU services and Alameda County-adjacent service areas
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider website