ADU / granny flat contractors in San Jose, CA
240 contractors pulled 309 ADU permits in San Jose 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.
- SNB Builders INCGilroy · #1079873 · 4 permits · ADU: 2
- Marvel Builders INCSan Jose · #925041 · 2 permits · ADU: 2
- Custom Home Investment INC.San Jose · #986048 · 2 permits · ADU: 2
- Brother & Brother BuildersSan Jose · #887389 · 11 permits · ADU: 1
- Century Bay BuildersSan Jose · #1065841 · 10 permits · ADU: 1
- SB Construction INCDiscovery Bay · #1127406 · 7 permits · ADU: 1
- Speed Construction And Development INCSan Jose · #1098660 · 5 permits · ADU: 1
- Sher Construction INCManteca · #875618 · 5 permits · ADU: 1
- Alchemy Builders INCSan Jose · #1106247 · 4 permits · ADU: 1
- Vitalizebuild ConstructionSanta Clara · #1104475 · 3 permits · ADU: 1
- Lumar Builders INCSan Jose · #1053440 · 3 permits · ADU: 1
- John Construction INCSanta Clara · #1040518 · 3 permits · ADU: 1
- Ca Tengfei Construction INCSunnyvale · #1123726 · 3 permits · ADU: 1
- S O D Home GroupSan Jose · #942085 · 3 permits · ADU: 1
- LW Consolidated INC.Fremont · #962917 · 2 permits · ADU: 1
- Rebuild Better Home Construction, INCOakland · #1145617 · 2 permits · ADU: 1
- Smart Lily LLCCupertino · #1053590 · 2 permits · ADU: 1
- Guzzetta, SteveSan Jose · #594648 · 2 permits · ADU: 1
- Animas Valley ConstructionSan Jose · #1027294 · 2 permits · ADU: 1
- Halo Builders INCSunnyvale · #1123483 · 2 permits · ADU: 1
- Al Homes INCCupertino · #1160245 · 2 permits · ADU: 1
- Beki Home RepairsLafayette · #968947 · 1 permit · ADU: 1
- Radvand Construction, INCFremont · #1074106 · 1 permit · ADU: 1
- Southern RockFremont · #904144 · 1 permit · ADU: 1
- TD United Construction INCSan Jose · #1074881 · 1 permit · ADU: 1
- CB Process CorporationMorgan Hill · #956848 · 1 permit · ADU: 1
- TLS Construction INCSan Jose · #1088225 · 1 permit · ADU: 1
- Modern Construction & RemodelSan Jose · #1113157 · 1 permit · ADU: 1
- Schmidt,gregoryBen Lomond · #608316 · 1 permit · ADU: 1
- Top Quality Home Repairs INCSan Jose · #1014345 · 1 permit · ADU: 1
- Curiel Builder INC.East Palo Alto · #1057042 · 1 permit · ADU: 1
- G S Homebuilder INCSunnyvale · #1083604 · 1 permit · ADU: 1
- Pinnacle Construction And Modular INC.San Jose · #587516 · 1 permit · ADU: 1
- Cereus CorporationSan Jose · #956771 · 1 permit · ADU: 1
- J. B. & B. Construction, INC.Tracy · #864340 · 1 permit · ADU: 1
- Isais Bay Area ConstructionSan Jose · #1058691 · 1 permit · ADU: 1
- Moreno Construction & RenovationLodi · #1137586 · 1 permit · ADU: 1
- CLG Home Construction LLCSan Jose · #1138663 · 1 permit · ADU: 1
- Adore Homes INCLos Gatos · #1145340 · 1 permit · ADU: 1
- Livelarge Build INCSan Jose · #1147750 · 1 permit · ADU: 1
Also licensed for this work in San Jose (no ADU permits in our data)
- Be Home Remodeling INCSan Jose · #1115373 · 56 permits
- K&H Construction Development INCSan Jose · #1079861 · 44 permits
- Silicon Valley Builders GroupSan Jose · #881001 · 15 permits
- Sunny Ca International INCSan Jose · #1072957 · 14 permits
- Ico INCSan Jose · #968362 · 12 permits
- Ot Bay Builders INC.San Jose · #1097881 · 11 permits
- Top Home Builders INCSan Jose · #1066571 · 11 permits
- Tree Builders GroupSan Jose · #1091953 · 9 permits
- Recon 360 LLCSan Jose · #950805 · 9 permits
- Giuliani Construction IncorpSan Jose · #609914 · 8 permits
- Axiom Renovation INCSan Jose · #1105006 · 7 permits
- Tgi Builders Ca INCSan Jose · #1079673 · 7 permits
- Amex Roofing DBA Amex ConstructionSan Jose · #968341 · 6 permits
- Clever Design And Remodeling INCSan Jose · #1064699 · 6 permits
- Bay Remodeling Kitchen & Bath INCSan Jose · #1042931 · 6 permits
- Claros ConstructionSan Jose · #764609 · 6 permits
- Clear Design & Build INCSan Jose · #1127694 · 6 permits
- Rake Construction INCSan Jose · #1051597 · 6 permits
- GDM Group DBA Trio Heating & AirSan Jose · #1061107 · 6 permits
- Pristine ConstructionSan Jose · #1092207 · 5 permits
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