Room addition contractors in San Jose, CA
243 contractors pulled 278 room addition permits in San Jose 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.
- Brother & Brother BuildersSan Jose · #887389 · 11 permits · room addition: 3
- Century Bay BuildersSan Jose · #1065841 · 10 permits · room addition: 3
- Star House Construction INCSan Jose · #1115186 · 4 permits · room addition: 3
- Tree Builders GroupSan Jose · #1091953 · 9 permits · room addition: 2
- Unique Home Design & RemodelingRedwood City · #441931 · 8 permits · room addition: 2
- Double Z&CWX ConstructionSan Jose · #1113767 · 5 permits · room addition: 2
- Modular Remodeling And DesignSan Jose · #1067136 · 3 permits · room addition: 2
- Step Up Construction INCSan Jose · #1082741 · 3 permits · room addition: 2
- Long Ma Construction INCSan Jose · #1108555 · 3 permits · room addition: 2
- Portola Valley Builders, INC.Morgan Hill · #959960 · 2 permits · room addition: 2
- Woodcliff Builders INCCampbell · #971712 · 2 permits · room addition: 2
- K&H Construction Development INCSan Jose · #1079861 · 44 permits · room addition: 1
- Axiom Renovation INCSan Jose · #1105006 · 7 permits · room addition: 1
- Clear Design & Build INCSan Jose · #1127694 · 6 permits · room addition: 1
- Speed Construction And Development INCSan Jose · #1098660 · 5 permits · room addition: 1
- On Design & RemodelingSan Jose · #1080660 · 4 permits · room addition: 1
- Golden View Renovation INCSan Jose · #1072628 · 4 permits · room addition: 1
- Valley Boutique Builders INCLos Altos · #1099534 · 4 permits · room addition: 1
- Casa Utopia Builders INCCampbell · #1091633 · 3 permits · room addition: 1
- Vitalizebuild ConstructionSanta Clara · #1104475 · 3 permits · room addition: 1
- VT Construction And RemodelingSan Francisco · #1044952 · 3 permits · room addition: 1
- Ca Tengfei Construction INCSunnyvale · #1123726 · 3 permits · room addition: 1
- Home Revive INCSan Jose · #1126427 · 3 permits · room addition: 1
- Western Construction Consulting INC.Santa Clara · #1111478 · 2 permits · room addition: 1
- Elite ConstructionsSan Jose · #1110732 · 2 permits · room addition: 1
- Lisac Construction INCSan Jose · #835418 · 2 permits · room addition: 1
- Craft Builders ConstructionMorgan Hill · #1005138 · 2 permits · room addition: 1
- New Aplus Construction Company LLCSan Jose · #1074448 · 2 permits · room addition: 1
- San Francico RG SolutionSan Francisco · #1132115 · 2 permits · room addition: 1
- Nexwave RemodelingSan Jose · #1111609 · 1 permit · room addition: 1
- J Building INCUnion City · #1070192 · 1 permit · room addition: 1
- P Z ConstructionHayward · #1085646 · 1 permit · room addition: 1
- Builder Plus Construction LLCFremont · #1079330 · 1 permit · room addition: 1
- Farhad Construction LLCFremont · #1048639 · 1 permit · room addition: 1
- Golden Line Builders INCFremont · #1155618 · 1 permit · room addition: 1
- Pio M ConstructionSalinas · #1058721 · 1 permit · room addition: 1
- Rbuilder Construction INCLos Gatos · #976940 · 1 permit · room addition: 1
- May Construction INCSan Jose · #524952 · 1 permit · room addition: 1
- Roberts Custom Builders, INC.Campbell · #1065588 · 1 permit · room addition: 1
- Fine General Construction INC.San Jose · #1090957 · 1 permit · room addition: 1
Also licensed for this work in San Jose (no room addition permits in our data)
- Be Home Remodeling INCSan Jose · #1115373 · 56 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
- Recon 360 LLCSan Jose · #950805 · 9 permits
- Giuliani Construction IncorpSan Jose · #609914 · 8 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
- Rake Construction INCSan Jose · #1051597 · 6 permits
- GDM Group DBA Trio Heating & AirSan Jose · #1061107 · 6 permits
- Pristine ConstructionSan Jose · #1092207 · 5 permits
- Pacific Gates ConstructionSan Jose · #1108884 · 5 permits
- Equity Construction And RemodelingSan Jose · #1022817 · 4 permits
- Luxury Home Remodeling INCSan Jose · #1044943 · 4 permits
- Y & K INCSan Jose · #1060768 · 4 permits
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