Licensed General Building (B) contractors in California

The California Contractors State License Board (CSLB) lists 99,885 California contractors classified B (General Building (B)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of November 6, 2026.

Showing 65,041–65,100 of 99,885 contractors

O S O Construction INC
Orange Cove, CA · CSLB #1102795 · as of November 6, 2026
Active · clear
Oso Construction Services
Ladera Ranch, CA · CSLB #1139946 · as of November 6, 2026
Active · clear
Oso Holding Group LLC
Fresno, CA · CSLB #1135028 · as of November 6, 2026
Active · clear
Osorio Construction And Restoration
Bonita, CA · CSLB #918330 · as of November 6, 2026
Active · clear
Erik F Osorio
Escondido, CA · CSLB #1079870 · as of November 6, 2026
Active · clear
Osorio's Renovation INC
Wallace, CA · CSLB #1080428 · as of November 6, 2026
Active · clear
Oso's Construction Corp
Santa Ana, CA · CSLB #1137201 · as of November 6, 2026
Active · clear
Jesse Ososki Art
San Mateo, CA · CSLB #955383 · as of November 6, 2026
Active · clear
Osowski Construction INC
Orange, CA · CSLB #424838 · as of November 6, 2026
Active · clear
Osprey Construction INC
San Diego, CA · CSLB #926126 · as of November 6, 2026
Active · clear
O S R Construction Services INC
Modesto, CA · CSLB #1058591 · as of November 6, 2026
Active · clear
Os Remodeling INC
Los Angeles, CA · CSLB #1036435 · as of November 6, 2026
Active · clear
Osrodz Construction Services
Rohnert Park, CA · CSLB #918003 · as of November 6, 2026
Active · clear
Ossc INC
San Diego, CA · CSLB #1066176 · as of November 6, 2026
Active · clear
Paul Van Ostaeyen
Escondido, CA · CSLB #647333 · as of November 6, 2026
Active · clear
Ostensen Construction Company
San Juan Capistrano, CA · CSLB #361482 · as of November 6, 2026
Active · clear
Osterhout Construction
Jamestown, CA · CSLB #948562 · as of November 6, 2026
Active · clear
Ostmo Construction INC
Portland, CA · CSLB #1096862 · as of November 6, 2026
Active · clear
Ostrand Construction
Rohnert Park, CA · CSLB #926564 · as of November 6, 2026
Active · clear
James Dean Ostrander Construction
San Jose, CA · CSLB #510736 · as of November 6, 2026
Active · clear
Ostrowski Painting INC
San Diego, CA · CSLB #841057 · as of November 6, 2026
Active · clear
O'sullivan Construction
El Dorado Hills, CA · CSLB #904910 · as of November 6, 2026
Active · clear
O'sullivan Construction
S San Francisco, CA · CSLB #589596 · as of November 6, 2026
Active · clear
O'sullivan Construction LLC
Lawndale, CA · CSLB #964338 · as of November 6, 2026
Active · clear
D F O'sullivan Construction
Novato, CA · CSLB #506132 · as of November 6, 2026
Active · clear
Gilbert O'sullivan Construction
San Mateo, CA · CSLB #803045 · as of November 6, 2026
Active · clear
J F O'sullivan Construction
Novato, CA · CSLB #418358 · as of November 6, 2026
Active · clear
Ken O'sullivan Construction And Renovation
San Francisco, CA · CSLB #694585 · as of November 6, 2026
Active · clear
Martin And Shelly O'sullivan INC
Newport Beach, CA · CSLB #811867 · as of November 6, 2026
Active · clear
O'sullivan & Son Construction INC
San Ramon, CA · CSLB #902262 · as of November 6, 2026
Active · clear
Osuna Construction
Los Osos, CA · CSLB #1158369 · as of November 6, 2026
Active · clear
Osuna General Contracting
San Diego, CA · CSLB #1101881 · as of November 6, 2026
Active · clear
Hector R Osuna
Los Angeles, CA · CSLB #1095608 · as of November 6, 2026
Active · clear
Oswald General Contracting
Rocklin, CA · CSLB #842974 · as of November 6, 2026
Active · clear
Oswald INC
Montecito, CA · CSLB #885622 · as of November 6, 2026
Active · clear
Osw Building Group INC
Oak Park, CA · CSLB #1086798 · as of November 6, 2026
Active · clear
Oswell Willco Construction
Acton, CA · CSLB #691642 · as of November 6, 2026
Active · clear
James Oswill
Glendale, CA · CSLB #800541 · as of November 6, 2026
Active · clear
Ota Construction INC
Santa Clara, CA · CSLB #1076161 · as of November 6, 2026
Active · clear
Otai Construction INC
Oakland, CA · CSLB #975789 · as of November 6, 2026
Active · clear
Ot Bay Builders INC
San Jose, CA · CSLB #1097881 · as of November 6, 2026
Active · clear
O T C Construction INC
Wildomar, CA · CSLB #1080669 · as of November 6, 2026
Active · clear
Ot Construction
Rocklin, CA · CSLB #1143838 · as of November 6, 2026
Active · clear
Ot Custom Construction
Newport Beach, CA · CSLB #1135402 · as of November 6, 2026
Active · clear
Otel Made
San Francisco, CA · CSLB #1112931 · as of November 6, 2026
Active · clear
Arthur Otero
Westlake Village, CA · CSLB #505974 · as of November 6, 2026
Active · clear
Edward Samuel Otero
El Dorado Hills, CA · CSLB #866921 · as of November 6, 2026
Active · clear
Otg Construction INC
Citrus Heights, CA · CSLB #1076872 · as of November 6, 2026
Active · clear
O T General Contracting INC
Sanger, CA · CSLB #1117004 · as of November 6, 2026
Active · clear
The Other Company
Hesperia, CA · CSLB #691833 · as of November 6, 2026
Active · clear
Otherwind INC
Los Angeles, CA · CSLB #992934 · as of November 6, 2026
Active · clear
Adam Othman
Canyon Lake, CA · CSLB #1119695 · as of November 6, 2026
Active · clear
Allen Othman
Stanton, CA · CSLB #1103583 · as of November 6, 2026
Active · clear
Cole Othmer
Tustin, CA · CSLB #808194 · as of November 6, 2026
Active · clear
Othniel Design Realty LLC
Gardena, CA · CSLB #1137835 · as of November 6, 2026
Active · clear
O Tile LLC
Rocklin, CA · CSLB #827397 · as of November 6, 2026
Active · clear
Otis Construction INC
Byron, CA · CSLB #866492 · as of November 6, 2026
Active · clear
Otis Industries INC
Los Alamitos, CA · CSLB #1061997 · as of November 6, 2026
Active · clear
Otl Builders INC
Apple Valley, CA · CSLB #775633 · as of November 6, 2026
Active · clear
Otl Building INC
Calabasas, CA · CSLB #1150487 · as of November 6, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of November 6, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.