Room addition contractors in San Anselmo, CA
8 contractors pulled 9 room addition permits in San Anselmo in 2025–26. Ranked by the number of room addition permits; license classes are checked against what California requires for this work.
Across all cities we track, the median declared value of a room addition permit is $107,354 (middle half $49,712–$250,000). See Room addition cost in Sacramento & the Bay Area.
- Rempe ConstructionNovato · #453554 · 7 permits · room addition: 2
- G Family INCSan Rafael · #893848 · 15 permits · room addition: 1
- Avila & Wadlington Contractors INCForest Knolls · #992081 · 8 permits · room addition: 1
- Floyd ConstructionNovato · #365653 · 5 permits · room addition: 1
- Jzmac BuildersSanta Clara · #1104991 · 3 permits · room addition: 1
- Singlepoint Design Build INCMill Valley · #963428 · 2 permits · room addition: 1
- California KnightSanta Rosa · #918188 · 1 permit · room addition: 1
- Richard Heath & Associates INClicense not matched · 31 permits · room addition: 1
Also licensed for this work in San Anselmo (no room addition permits in our data)
- Bergquist BuildersSan Anselmo · #838236 · 11 permits
- Initial ConstructionSan Anselmo · #1000979 · 8 permits
- Structural IntegritySan Anselmo · #578269 · 6 permits
- Phil Kline General ContractorSan Anselmo · #528690 · 5 permits
- Cornerstone DBA Ag ConstructionSan Anselmo · #930085 · 5 permits
- Architectural Fenestration & RestorationSan Anselmo · #918473 · 5 permits
- Charles & Sons Builders INCSan Anselmo · #470789 · 4 permits
- Sidney Builders, INCSan Anselmo · #886337 · 4 permits
- Rac Construction INCSan Anselmo · #1133478 · 3 permits
- Vista Knoll ConstructionSan Anselmo · #779459 · 3 permits
- Powerhouse Building INCSan Anselmo · #797313 · 3 permits
- Saw Designs INCSan Anselmo · #924892 · 2 permits
- Diamond Home RestorationSan Anselmo · #910654 · 2 permits
- Nichelini & Sons INC.San Anselmo · #339365 · 2 permits
- Yonts ConstructionSan Anselmo · #918754 · 2 permits
- Henry J BarronSan Anselmo · #618582 · 2 permits
- Morgan Key Hammon ConstructionSan Anselmo · #1121584 · 2 permits
- Headlands Construction COSan Anselmo · #1066225 · 2 permits
- SDC Built INCSan Anselmo · #958617 · 2 permits
- Byron Huang ConstructionSan Anselmo · #867616 · 1 permit
Open in the directory: filters, sorting, compare →← Contractors in San Anselmo, CA