ADU / granny flat contractors in San Francisco, CA
208 contractors pulled 402 ADU permits in San Francisco 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.
- R Group, INCSan Francisco · #837354 · 8 permits · ADU: 8
- Occidental ExpressSan Francisco · #319153 · 44 permits · ADU: 6
- O Donoghue Construction INC.San Francisco · #917704 · 20 permits · ADU: 6
- J P E ConstructionSan Francisco · #834659 · 24 permits · ADU: 5
- Matarozzi/Pelsinger Builders INC.San Francisco · #747611 · 22 permits · ADU: 5
- Area Development INC.San Mateo · #490920 · 16 permits · ADU: 5
- Huey Const Mngmt CO INC - DBA M H Const.San Francisco · #575228 · 13 permits · ADU: 5
- Doherty Restoration, INC.San Francisco · #674707 · 5 permits · ADU: 5
- Bay C T Construction INC.San Francisco · #922224 · 30 permits · ADU: 4
- Blackline ConstructionSan Francisco · #783873 · 17 permits · ADU: 4
- Pinnacle Construction And Development InSan Francisco · #976872 · 11 permits · ADU: 4
- Wing On Construction INCSan Leandro · #949206 · 7 permits · ADU: 4
- Buildable LLCLos Altos · #1101905 · 5 permits · ADU: 4
- Jchugoboss Construction LLCSan Francisco · #1071081 · 5 permits · ADU: 4
- Over The Woodsman Builder INCOakland · #719337 · 4 permits · ADU: 4
- K & K Builder INCOakland · #1058162 · 4 permits · ADU: 4
- Kyin Way NgoonSan Francisco · #415669 · 4 permits · ADU: 4
- Reliable Construction INCSan Francisco · #983658 · 86 permits · ADU: 3
- Actually Design Build INCSan Francisco · #1015230 · 43 permits · ADU: 3
- S L M Development INC.San Francisco · #841898 · 24 permits · ADU: 3
- G B U Construction DevelopmentRedwood City · #1052737 · 21 permits · ADU: 3
- CS Construction COCorte Madera · #1039312 · 18 permits · ADU: 3
- Bradford ConstructionSan Francisco · #823549 · 14 permits · ADU: 3
- Thorpe Design INCBrentwood · #541016 · 12 permits · ADU: 3
- Kasas Builders INCEl Sobrante · #1043400 · 11 permits · ADU: 3
- Ket Construction INC.San Francisco · #1019170 · 10 permits · ADU: 3
- Aya Homes LLCSan Francisco · #1056771 · 10 permits · ADU: 3
- Chiang C M Construction INC.San Francisco · #520064 · 10 permits · ADU: 3
- Ayala Builder's And Company INCRichmond · #1043486 · 9 permits · ADU: 3
- Ke Construction CO.Daly City · #895454 · 9 permits · ADU: 3
- R & C Mulholland INC.San Francisco · #999110 · 7 permits · ADU: 3
- Blue Bend Construction INCSan Francisco · #547711 · 7 permits · ADU: 3
- Huston General Contracting INC.San Rafael · #720437 · 6 permits · ADU: 3
- Jva 27 ConstructionSouth San Francisco · #1128309 · 3 permits · ADU: 3
- We Do Construction INC.San Francisco · #1096552 · 81 permits · ADU: 2
- The Toboni GroupSan Francisco · #766215 · 42 permits · ADU: 2
- 7 Hills ConstructionSan Francisco · #1064265 · 36 permits · ADU: 2
- Saturn Construction COSan Francisco · #861233 · 24 permits · ADU: 2
- Golden State Marble And Construction INCSan Mateo · #1126723 · 23 permits · ADU: 2
- Yiu Cheong Construction CO INCSan Francisco · #670461 · 23 permits · ADU: 2
Also licensed for this work in San Francisco (no ADU permits in our data)
- SunrunSan Francisco · #969975 · 706 permits
- General Express Construction DBA Roof ExSan Francisco · #1072766 · 191 permits
- Rotoco LLCSan Francisco · #356608 · 73 permits
- G R C Roofing INC.San Francisco · #963532 · 68 permits
- M & L ConstructionSan Francisco · #832092 · 67 permits
- D3 ConstructionSan Francisco · #672385 · 66 permits
- Gateway Roofing And Water Proofing INCSan Francisco · #799104 · 64 permits
- Edri Construction INC *see Notes*San Francisco · #1070193 · 63 permits
- Highland Construction S F INC.San Francisco · #626953 · 53 permits
- Terence Mcmahon ConstructionSan Francisco · #797580 · 53 permits
- G M Building And Construction INCSan Francisco · #1062717 · 49 permits
- Lapje Roofing INCSan Francisco · #1027061 · 48 permits
- GDH Roofing & Building INCSan Francisco · #1083778 · 48 permits
- Clayton Timbrell & COSan Francisco · #897643 · 45 permits
- Window Replacement Sfdba Window ReplacemSan Francisco · #1011130 · 43 permits
- Glam Construction INC.San Francisco · #1052310 · 40 permits
- Sure, INC.San Francisco · #561658 · 40 permits
- Prosper Construction Dev INC.San Francisco · #1041020 · 40 permits
- Seismic Retrofitters INC.San Francisco · #745230 · 40 permits
- Matthew Kelly Construction INCSan Francisco · #1078733 · 39 permits
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