Licensed General Building (B) contractors in California
The California Contractors State License Board (CSLB) lists 100,662 California contractors classified B (General Building (B)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of August 22, 2026.
Showing 65,041–65,100 of 100,662 contractors
- Active · clearJesse Ososki ArtSan Mateo, CA · CSLB #955383 · as of August 22, 2026
- Active · clearOsowski Construction INCOrange, CA · CSLB #424838 · as of August 22, 2026
- Active · clearOsprey Construction INCSan Diego, CA · CSLB #926126 · as of August 22, 2026
- Active · clearO S R Construction Services INCModesto, CA · CSLB #1058591 · as of August 22, 2026
- Active · clearOs Remodeling INCLos Angeles, CA · CSLB #1036435 · as of August 22, 2026
- Active · clearOsrodz Construction ServicesRohnert Park, CA · CSLB #918003 · as of August 22, 2026
- Active · clearOssc INCSan Diego, CA · CSLB #1066176 · as of August 22, 2026
- Active · clearPaul Van OstaeyenEscondido, CA · CSLB #647333 · as of August 22, 2026
- Active · clearOstensen Construction CompanySan Juan Capistrano, CA · CSLB #361482 · as of August 22, 2026
- Active · clearOstmo Construction INCPortland, CA · CSLB #1096862 · as of August 22, 2026
- Active · clearOstrand ConstructionRohnert Park, CA · CSLB #926564 · as of August 22, 2026
- Active · clearJames Dean Ostrander ConstructionSan Jose, CA · CSLB #510736 · as of August 22, 2026
- Active · clearMichael OstrowskiNovato, CA · CSLB #785605 · as of August 22, 2026
- Active · clearOstrowski Painting INCSan Diego, CA · CSLB #841057 · as of August 22, 2026
- Active · clearO'sullivan ConstructionS San Francisco, CA · CSLB #589596 · as of August 22, 2026
- Active · clearO'sullivan ConstructionEl Dorado Hills, CA · CSLB #904910 · as of August 22, 2026
- Active · clearO'sullivan Construction LLCLawndale, CA · CSLB #964338 · as of August 22, 2026
- Active · clearD F O'sullivan ConstructionNovato, CA · CSLB #506132 · as of August 22, 2026
- Active · clearGilbert O'sullivan ConstructionSan Mateo, CA · CSLB #803045 · as of August 22, 2026
- Active · clearJ F O'sullivan ConstructionNovato, CA · CSLB #418358 · as of August 22, 2026
- Active · clearKen O'sullivan Construction And RenovationSan Francisco, CA · CSLB #694585 · as of August 22, 2026
- Active · clearMartin And Shelly O'sullivan INCNewport Beach, CA · CSLB #811867 · as of August 22, 2026
- Active · clearO'sullivan & Son Construction INCSan Ramon, CA · CSLB #902262 · as of August 22, 2026
- Active · clearOsuna ConstructionEl Monte, CA · CSLB #427515 · as of August 22, 2026
- Active · clearOsuna ConstructionLos Osos, CA · CSLB #1158369 · as of August 22, 2026
- Active · clearOsuna General ContractingSan Diego, CA · CSLB #1101881 · as of August 22, 2026
- Active · clearHector R OsunaLos Angeles, CA · CSLB #1095608 · as of August 22, 2026
- Active · clearOswald General ContractingRocklin, CA · CSLB #842974 · as of August 22, 2026
- Active · clearOswald INCSanta Barbara, CA · CSLB #885622 · as of August 22, 2026
- Active · clearOsw Building Group INCOak Park, CA · CSLB #1086798 · as of August 22, 2026
- Active · clearOswell Willco ConstructionActon, CA · CSLB #691642 · as of August 22, 2026
- Active · clearJames OswillGlendale, CA · CSLB #800541 · as of August 22, 2026
- Active · clearOta Construction INCSanta Clara, CA · CSLB #1076161 · as of August 22, 2026
- Active · clearOtai Construction INCOakland, CA · CSLB #975789 · as of August 22, 2026
- Active · clearOt Bay Builders INCSan Jose, CA · CSLB #1097881 · as of August 22, 2026
- Active · clearO T C Construction INCWildomar, CA · CSLB #1080669 · as of August 22, 2026
- Active · clearOt ConstructionRocklin, CA · CSLB #1143838 · as of August 22, 2026
- Active · clearOtel MadeSan Francisco, CA · CSLB #1112931 · as of August 22, 2026
- Active · clearArthur OteroWestlake Village, CA · CSLB #505974 · as of August 22, 2026
- Active · clearEdward Samuel OteroEl Dorado Hills, CA · CSLB #866921 · as of August 22, 2026
- Active · clearOtg Construction INCCitrus Heights, CA · CSLB #1076872 · as of August 22, 2026
- Active · clearO T General Contracting INCSanger, CA · CSLB #1117004 · as of August 22, 2026
- Active · clearThe Other CompanyHesperia, CA · CSLB #691833 · as of August 22, 2026
- Active · clearOtherwind INCLos Angeles, CA · CSLB #992934 · as of August 22, 2026
- Active · clearAdam OthmanCanyon Lake, CA · CSLB #1119695 · as of August 22, 2026
- Active · clearAllen OthmanStanton, CA · CSLB #1103583 · as of August 22, 2026
- Active · clearCole OthmerTustin, CA · CSLB #808194 · as of August 22, 2026
- Active · clearOthniel Design Realty LLCGardena, CA · CSLB #1137835 · as of August 22, 2026
- Active · clearO Tile LLCRocklin, CA · CSLB #827397 · as of August 22, 2026
- Active · clearOtis Construction INCByron, CA · CSLB #866492 · as of August 22, 2026
- Active · clearOtis Industries INCLos Alamitos, CA · CSLB #1061997 · as of August 22, 2026
- Active · clearOtl Builders INCApple Valley, CA · CSLB #775633 · as of August 22, 2026
- Active · clearOtl Building INCCalabasas, CA · CSLB #1150487 · as of August 22, 2026
- Active · clearO T M Designs & Remodeling INCSherman Oaks, CA · CSLB #634648 · as of August 22, 2026
- Active · clearOtomi Builders CorporationSanta Monica, CA · CSLB #1148936 · as of August 22, 2026
- Active · clearO'toole Construction INCBurlingame, CA · CSLB #1031460 · as of August 22, 2026
- Active · clearO'toole's G B CSan Diego, CA · CSLB #859311 · as of August 22, 2026
- Active · clearOtorongo BMS INCReno, CA · CSLB #1127355 · as of August 22, 2026
- Active · clearOtovo BuildersLos Gatos, CA · CSLB #799894 · as of August 22, 2026
- Active · clearOts General ContractorsPetaluma, CA · CSLB #898882 · as of August 22, 2026
Data sourced from the California Contractors State License Board (CSLB), current as of August 22, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.