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 San Mateo 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 rows66
Official vendors0
Pending review3
Research leads63
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 websiteValley Home Builders Inc.
preapproved plan vendor · confidence 3 · license evidence: 889458
653 sq. ft. 0 bedroom 1 bath STUDIO ADU; 821 sq. ft. 1 bedroom 1 bath ADU; 821 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.
SF Bay ADU
contractor · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a design-to-construction ADU general contractor
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteADUnow.house
project manager · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a full-service ADU builder/provider/converter
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteFixleaf
project manager · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list for ADU design, permitting, and construction help
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteSecond Dwellings
contractor · confidence 3 · license evidence: 1043458
Listed on San Mateo County Second Unit Center vendor-fair list as a one-stop ADU company
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteOpenScope Studios
architect designer · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as an architect
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteHausable
architect designer · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as an architect
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteBlaine Architects
architect designer · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as an architect
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteInspired Independence
architect designer · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as an architect
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteAlex Tzang Group
architect designer · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as an architect; also appears as applicant on a Redwood City ADU permit snippet
Permit-contact discovery lead only. Not publishable as a verified provider.
Mayberry Workshop
architect designer · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as an architect
Permit-contact discovery lead only. Not publishable as a verified provider.
Provider websiteGreen Galaxy Builders
prefab modular · confidence 3 · license evidence: 1035074
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 websiteTim Pond Design and Construction
design build · confidence 3
Listed on San Mateo County Second Unit Center vendor-fair list as a design/build firm
Permit-contact discovery lead only. Not publishable as a verified provider.
Small Homes Design Build
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 websiteNew 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 website