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 64,621–64,680 of 100,662 contractors

Onyx Contracting
Temecula, CA · CSLB #1148542 · as of August 22, 2026
Active · clear
Onyx Design & Remodeling INC
West Hills, CA · CSLB #1141563 · as of August 22, 2026
Active · clear
Onyx Development
Nashville, CA · CSLB #1036413 · as of August 22, 2026
Active · clear
Onyx GC
Laguna Hills, CA · CSLB #1122521 · as of August 22, 2026
Active · clear
Onyx General Building INC
Granada Hills, CA · CSLB #1144758 · as of August 22, 2026
Active · clear
Onyx General Construction CO
Los Angeles, CA · CSLB #1095312 · as of August 22, 2026
Active · clear
Onyx Property Management
San Diego, CA · CSLB #983151 · as of August 22, 2026
Active · clear
Onyx X Construction LLC
Woodland, CA · CSLB #1148498 · as of August 22, 2026
Active · clear
Opal Construction Company
Hawthorne, CA · CSLB #1151363 · as of August 22, 2026
Active · clear
Opalprop Construction INC
San Ramon, CA · CSLB #1156043 · as of August 22, 2026
Active · clear
O P Builders INC
Soledad, CA · CSLB #1138363 · as of August 22, 2026
Active · clear
O P Building Solutions INC
Reseda, CA · CSLB #1065295 · as of August 22, 2026
Active · clear
O P Construction
Redwood City, CA · CSLB #737036 · as of August 22, 2026
Active · clear
Op Construction
Oceanside, CA · CSLB #1090834 · as of August 22, 2026
Active · clear
O P Construction INC
Norwalk, CA · CSLB #814048 · as of August 22, 2026
Active · clear
Openlevel Construction
El Monte, CA · CSLB #1004974 · as of August 22, 2026
Active · clear
Open Line Construction
San Diego, CA · CSLB #1133723 · as of August 22, 2026
Active · clear
Open Sesame Garage Doors
Woodland Hills, CA · CSLB #1117717 · as of August 22, 2026
Active · open complaint
Open Sesame Garage Doors & Gates
Spring Valley, CA · CSLB #1140734 · as of August 22, 2026
Active · clear
Openshaw Construction Corp
Poway, CA · CSLB #824335 · as of August 22, 2026
Active · clear
Open Space Builders INC
Los Altos, CA · CSLB #1159819 · as of August 22, 2026
Active · clear
Opera Constructions
Marina Del Rey, CA · CSLB #1134997 · as of August 22, 2026
Active · clear
Opes Construction INC
Murrieta, CA · CSLB #1026392 · as of August 22, 2026
Active · clear
Opes LLC
La Mirada, CA · CSLB #1149392 · as of August 22, 2026
Active · clear
Todd L Opfer
Poway, CA · CSLB #650506 · as of August 22, 2026
Active · clear
O P Framers INC
Discovery Bay, CA · CSLB #877553 · as of August 22, 2026
Active · clear
O P G Construction
Livermore, CA · CSLB #996635 · as of August 22, 2026
Active · clear
Opi Commercial Builders INC
San Jose, CA · CSLB #816254 · as of August 22, 2026
Active · clear
Opio Construction INC
Woodland Hills, CA · CSLB #1082628 · as of August 22, 2026
Active · clear
Scott Allen Oppelt
Eastvale, CA · CSLB #871576 · as of August 22, 2026
Active · clear
O'pro Construction INC
Pittsburg, CA · CSLB #1029997 · as of August 22, 2026
Active · clear
O P Soluction Construction INC
Fairfield, CA · CSLB #1148649 · as of August 22, 2026
Active · clear
Opticomp Construction
Foster City, CA · CSLB #857182 · as of August 22, 2026
Active · clear
Optima Construction INC
Costa Mesa, CA · CSLB #1025808 · as of August 22, 2026
Active · clear
Optima CO Of California INC
Roseville, CA · CSLB #1101193 · as of August 22, 2026
Active · clear
Optima Design And Build INC
Los Angeles, CA · CSLB #1124135 · as of August 22, 2026
Active · clear
Optima Group INC
Duarte, CA · CSLB #1049892 · as of August 22, 2026
Active · clear
Optimal Build & Electric INC
Whittier, CA · CSLB #1138072 · as of August 22, 2026
Active · clear
Optimal Building Solutions
Santee, CA · CSLB #1033092 · as of August 22, 2026
Active · clear
Optimal Builds
Tustin, CA · CSLB #1118239 · as of August 22, 2026
Active · clear
Noble Window And Door INC DBA Optimal Construction
La Puente, CA · CSLB #1089417 · as of August 22, 2026
Active · clear
Optimal Construction Corp
Riverside, CA · CSLB #992991 · as of August 22, 2026
Active · open complaint
Optimal Home & Design & Construction
Fremont, CA · CSLB #1130774 · as of August 22, 2026
Active · clear
Optimal Remodeling And Design
San Diego, CA · CSLB #1091450 · as of August 22, 2026
Active · clear
Optima Plus Construction INC
Los Angeles, CA · CSLB #1134463 · as of August 22, 2026
Active · clear
Optima Remodel LLC
Mission Viejo, CA · CSLB #1155278 · as of August 22, 2026
Active · clear
Optimiz3
Richmond, CA · CSLB #1100419 · as of August 22, 2026
Active · clear
Optimo Construction INC
Manteca, CA · CSLB #984025 · as of August 22, 2026
Active · clear
Optimo Premier Construction INC
Manteca, CA · CSLB #1156133 · as of August 22, 2026
Active · clear
Optimum CO Cal
Seattle, CA · CSLB #1150900 · as of August 22, 2026
Active · clear
Optimum Construction Group INC
San Ramon, CA · CSLB #1127090 · as of August 22, 2026
Active · clear
Optimum Construction INC
Fallbrook, CA · CSLB #876573 · as of August 22, 2026
Active · clear
Optimum Construction LLC
Riverside, CA · CSLB #1067638 · as of August 22, 2026
Active · clear
Optimum Property Solutions
Santa Maria, CA · CSLB #1072765 · as of August 22, 2026
Active · clear
Optimum Remodeling INC
Santa Ana, CA · CSLB #1092978 · as of August 22, 2026
Active · clear
Optimus Construction & Painting INC
Lancaster, CA · CSLB #1081634 · as of August 22, 2026
Active · open complaint
Option1 Builders INC
Encino, CA · CSLB #1122918 · as of August 22, 2026
Active · clear
Option One Builder
Encino, CA · CSLB #862990 · as of August 22, 2026
Active · clear
Option One Construction
Riverside, CA · CSLB #1023949 · as of August 22, 2026
Active · clear
Option One Remodeling
Palm Desert, CA · CSLB #941207 · as of August 22, 2026
Active · clear

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.