ADU / granny flat contractors in Mill Valley, CA
16 contractors pulled 16 ADU permits in Mill Valley 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.
- Bic Construction INCMill Valley · #1066314 · 10 permits · ADU: 1
- Schalich Brothers Construction INCNovato · #497493 · 9 permits · ADU: 1
- Finbarr Collins Construction INCSan Francisco · #831075 · 7 permits · ADU: 1
- PLR BuildersNovato · #1061102 · 6 permits · ADU: 1
- I Construction And Structural INCSan Rafael · #1039304 · 6 permits · ADU: 1
- Pristine ConstructionSan Jose · #1092207 · 5 permits · ADU: 1
- Mahoney Construction CompanyNovato · #1058331 · 5 permits · ADU: 1
- Gannon Construction CompanySan Rafael · #544989 · 4 permits · ADU: 1
- Avilas Construction INCNovato · #1020266 · 3 permits · ADU: 1
- Kerr Construction INCSan Rafael · #615587 · 2 permits · ADU: 1
- Marshal RothmanMill Valley · #673738 · 1 permit · ADU: 1
- EbuildGreenbrae · #862448 · 1 permit · ADU: 1
- B G ConstructionNovato · #676193 · 1 permit · ADU: 1
- Unique Land ConstructionSan Rafael · #814850 · 1 permit · ADU: 1
- Hines Custom INCSan Rafael · #800407 · 1 permit · ADU: 1
- Rossetti & Sons ConstructionPetaluma · #791569 · 1 permit · ADU: 1
Also licensed for this work in Mill Valley (no ADU permits in our data)
- Van Acker Const Assoc INCMill Valley · #533858 · 16 permits
- Refresh And Build INCMill Valley · #1036042 · 9 permits
- Pio Mcgarr INCMill Valley · #761436 · 8 permits
- MCDP DBA Geothersun ConstructionMill Valley · #953829 · 7 permits
- East Peak Builders INCMill Valley · #978210 · 5 permits
- Plonowski Architects + BuildersMill Valley · #649916 · 5 permits
- Dennis Webb ConstructionMill Valley · #821554 · 5 permits
- CDR Builders INCMill Valley · #1120248 · 5 permits
- NestaduMill Valley · #1117837 · 4 permits
- Ard Macha ConstructionMill Valley · #938100 · 4 permits
- Vida Building Systems INCMill Valley · #946778 · 3 permits
- Faubel Construction INCMill Valley · #781646 · 3 permits
- Leonardo Construction INCMill Valley · #941164 · 3 permits
- Mccarthy Design/BuildMill Valley · #762467 · 3 permits
- Towey Construction INC.Mill Valley · #988183 · 2 permits
- Singlepoint Design Build INCMill Valley · #963428 · 2 permits
- Hildebrand Renovation INCMill Valley · #621953 · 2 permits
- G Moran Construction INC.Mill Valley · #783942 · 2 permits
- Bayside Remodeling & ConstructionMill Valley · #680332 · 2 permits
- New Dimension Builders INCMill Valley · #1067306 · 2 permits
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