ADU / granny flat contractors in San Rafael, CA
7 contractors pulled 14 ADU permits in San Rafael in 2025–26. Ranked by the number of ADU permits; license classes are checked against what California requires for this work.
Across all cities we track, the median declared value of a ADU permit is $126,634 (middle half $74,928–$198,804). See ADU / granny flat cost in Sacramento & the Bay Area.
- Haven Construction INCDanville · #1057489 · 43 permits · ADU: 8
- Ernest Ongaro & Sons INCPetaluma · #215233 · 388 permits · ADU: 1
- G Family INCSan Rafael · #893848 · 15 permits · ADU: 1
- Cohan StructuresSanta Rosa · #1075634 · 6 permits · ADU: 1
- Make It Right Carpentry INCNovato · #1082541 · 3 permits · ADU: 1
- Nextlevel BuildersMoraga · #1135010 · 1 permit · ADU: 1
- Filshie EnterprisesSanta Rosa · #804495 · 1 permit · ADU: 1
Also licensed for this work in San Rafael (no ADU permits in our data)
- Sun First! INCSan Rafael · #669250 · 37 permits
- Colindres & AssociatesSan Rafael · #946813 · 21 permits
- Norwood ConstructionSan Rafael · #999209 · 21 permits
- Cook ConstructionSan Rafael · #903971 · 21 permits
- Connor Daly CorporationSan Rafael · #546425 · 20 permits
- Fontana Construction, INC.San Rafael · #487928 · 15 permits
- Plath & Company INCSan Rafael · #395458 · 14 permits
- Redhorse Constructors INC.San Rafael · #555394 · 13 permits
- Northbay Home Construction Solutions INCSan Rafael · #1068839 · 12 permits
- Andes Project Contractor CORPSan Rafael · #1100995 · 12 permits
- Blair Burke General Contractors INCSan Rafael · #683007 · 12 permits
- Upscale Construction INC.San Rafael · #707506 · 10 permits
- Pacific Edge Construction INCSan Rafael · #984783 · 10 permits
- Nima ConstructionSan Rafael · #746802 · 10 permits
- Elisha MayostSan Rafael · #881789 · 10 permits
- Murphy Construction LLCSan Rafael · #1083804 · 9 permits
- JR Solutions New ConstructionSan Rafael · #1034613 · 9 permits
- C & J'S Custom Builds INCSan Rafael · #1108816 · 9 permits
- Siena Pacific, INC.San Rafael · #725427 · 9 permits
- James S Clough Enterprises INCSan Rafael · #516987 · 9 permits
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