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 64,441–64,500 of 99,885 contractors

J M O'neill INC
Livermore, CA · CSLB #447618 · as of November 6, 2026
Active · clear
Michael P O'neill
San Francisco, CA · CSLB #548609 · as of November 6, 2026
Active · clear
O'neill & Neville Construction INC
San Rafael, CA · CSLB #898131 · as of November 6, 2026
Active · clear
Niall Oneill
San Francisco, CA · CSLB #857335 · as of November 6, 2026
Active · clear
Sean O'neill Construction
San Francisco, CA · CSLB #797155 · as of November 6, 2026
Active · open complaint
O'neill Security
Encino, CA · CSLB #649052 · as of November 6, 2026
Active · clear
Oneill Security INC
Encino, CA · CSLB #957016 · as of November 6, 2026
Active · clear
We O'neil Construction CO Of Norcal
Pleasanton, CA · CSLB #1100240 · as of November 6, 2026
Active · clear
One Legacy Heating & Air Conditioning
Moreno Valley, CA · CSLB #1037238 · as of November 6, 2026
Active · clear
Onelifeenterprises Incorporated
Crescent City, CA · CSLB #1060054 · as of November 6, 2026
Active · clear
One Love Construction
Vallejo, CA · CSLB #1059947 · as of November 6, 2026
Active · clear
Onelove Dream Builders LLC
Sacramento, CA · CSLB #1135766 · as of November 6, 2026
Active · clear
One Mile Construction
Chico, CA · CSLB #1150534 · as of November 6, 2026
Active · clear
One Nation Energy INC
Visalia, CA · CSLB #746319 · as of November 6, 2026
Active · clear
Onenext Construction Solutions LLC
El Monte, CA · CSLB #1126730 · as of November 6, 2026
Active · clear
One Of A Kind Restoration INC
Van Nuys, CA · CSLB #1081964 · as of November 6, 2026
Active · clear
One Of One Construction
Whittier, CA · CSLB #1153034 · as of November 6, 2026
Active · clear
One Phase Construction INC
Chula Vista, CA · CSLB #1062654 · as of November 6, 2026
Active · clear
One Play Construction Developer
Los Altos, CA · CSLB #1152066 · as of November 6, 2026
Active · clear
Oneplus Electric
San Juan Capistrano, CA · CSLB #1087103 · as of November 6, 2026
Active · clear
Oneplusone Services
El Monte, CA · CSLB #1092343 · as of November 6, 2026
Active · clear
One Point Five Construction
Hoopeston, CA · CSLB #804848 · as of November 6, 2026
Active · clear
One Priority Roofing INC
Oro Grande, CA · CSLB #1015412 · as of November 6, 2026
Active · clear
One Pro Construction And Services INC DBA One Pro Construction
Moreno Valley, CA · CSLB #1104234 · as of November 6, 2026
Active · clear
Master Loco Construction INC DBA One Pro Restoration
Los Angeles, CA · CSLB #1071583 · as of November 6, 2026
Active · clear
One Roofing
Modesto, CA · CSLB #1084379 · as of November 6, 2026
Active · clear
One Source Builders INC
Paradise, CA · CSLB #365276 · as of November 6, 2026
Active · clear
One Source Construction
Victorville, CA · CSLB #877452 · as of November 6, 2026
Active · clear
One Source General Contracting Services INC
Gilroy, CA · CSLB #1084735 · as of November 6, 2026
Active · clear
One Source Mobility INC
Roseville, CA · CSLB #1032291 · as of November 6, 2026
Active · clear
One Square Builders
Ramona, CA · CSLB #707752 · as of November 6, 2026
Active · clear
One Step Ahead Construction INC
Anaheim, CA · CSLB #1095730 · as of November 6, 2026
Active · clear
Onestop Adu
San Diego, CA · CSLB #1094838 · as of November 6, 2026
Active · clear
Onestop Adu Center
Van Nuys, CA · CSLB #1107952 · as of November 6, 2026
Active · clear
One Stop Builders INC
San Diego, CA · CSLB #1101128 · as of November 6, 2026
Active · clear
One Stop Building & Renovation INC
Lawndale, CA · CSLB #1121686 · as of November 6, 2026
Active · clear
One Stop Comfort Center INC
San Diego, CA · CSLB #1087331 · as of November 6, 2026
Active · clear
One Stop Construction
Sacramento, CA · CSLB #777603 · as of November 6, 2026
Active · clear
One Stop Construction
Ramona, CA · CSLB #264484 · as of November 6, 2026
Active · clear
One Stop Construction
Seal Beach, CA · CSLB #944019 · as of November 6, 2026
Active · clear
One - Stop Construction Group INC
San Rafael, CA · CSLB #915538 · as of November 6, 2026
Active · clear
One Stop Construction Management
Pasadena, CA · CSLB #1116018 · as of November 6, 2026
Active · clear
One Stop Construction & Remodeling
San Bernardino, CA · CSLB #1156266 · as of November 6, 2026
Active · clear
One Stop Electrical
Gilbert, CA · CSLB #1135575 · as of November 6, 2026
Active · clear
One Stop Home Care
Bermuda Dunes, CA · CSLB #857406 · as of November 6, 2026
Active · clear
One Stop Home Construction
Simi Valley, CA · CSLB #981959 · as of November 6, 2026
Active · clear
One Stop Home Repair
Menifee, CA · CSLB #1162650 · as of November 6, 2026
Active · clear
One Stop Modernization
San Lorenzo, CA · CSLB #1092278 · as of November 6, 2026
Active · clear
One Stop Painting INC
Lawndale, CA · CSLB #1040653 · as of November 6, 2026
Active · clear
One Stop Plastering INC
San Rafael, CA · CSLB #973914 · as of November 6, 2026
Active · clear
One Stop Premium Interior Remodels
Corona, CA · CSLB #1146544 · as of November 6, 2026
Active · clear
One Stop Remodel And Building
Concord, CA · CSLB #1012671 · as of November 6, 2026
Active · clear
One Stop Renovations INC
Mission Viejo, CA · CSLB #964932 · as of November 6, 2026
Active · clear
One Stop Retrofit
Tarzana, CA · CSLB #1026051 · as of November 6, 2026
Active · clear
One Stop Roofing
Portola Hills, CA · CSLB #1085006 · as of November 6, 2026
Active · clear
One Stop Security & Technology INC
Lodi, CA · CSLB #969148 · as of November 6, 2026
Active · clear
One Stop Shop Construction
Martinez, CA · CSLB #979837 · as of November 6, 2026
Active · clear
One Stop Shop INC
Azusa, CA · CSLB #972336 · as of November 6, 2026
Active · clear
One Stop Source
Rancho Cucamonga, CA · CSLB #899319 · as of November 6, 2026
Active · clear
One Stop Windows & Doors
Torrance, CA · CSLB #645700 · 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.