How many general builder contractors are in ONTARIO, CA?

200 with a current California license, as of 2026-08-31.

How do I check a California contractor license is current?

Every listing shows its state license number and expiry date. Verify any of them directly against the California CSLB licensee database.

General Builder contractors in ONTARIO, CA

200 listings

Source: California CSLB license records. Last verified 2026-08-31.

There are 200 general builder contractors in ONTARIO, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-08-31; every listing shows its own number and expiry date. All are drawn from the California CSLB register; expired and inactive licenses are excluded.

Business	License	Type	Expires	City	Zip
4S EPOXY & POLISH CONCRETE INC	1122757	D06	2028-06-30	ONTARIO	91762	Set up workspace
A-1 DELIVERY CO	971377	D34	2028-03-31	ONTARIO	91761	Set up workspace
A2Z BUILDERS GROUP INC	1150914	B	2028-02-29	ONTARIO	91762	Set up workspace
AAG PUMP SERVICES	1067678	D21	2028-08-31	ONTARIO	91762	Set up workspace
ABC RESOURCES INC	538680	A, C-12, C-32	2028-08-31	ONTARIO	91762	Set up workspace
ABOVEGROUND SOLUTIONS INC	1106979	B	2027-07-31	ONTARIO	91761	Set up workspace
ACE ENGINEERING INC	613320	A, ASB, B, C-21	2027-02-28	ONTARIO	91764	Set up workspace
ACES CONSTRUCTION	1083500	B	2027-11-30	ONTARIO	91764	Set up workspace
ACOSTA PIPELINE INC	1064810	A, C-36	2028-04-30	ONTARIO	91762	Set up workspace
A - C REGLAZING	927734	D12	2027-01-31	ONTARIO	91764	Set up workspace
A C SPRAGGINS ENGINEERING & UNDERGROUND INC	383440	A	2027-11-30	ONTARIO	91762	Set up workspace
ACTION RESTORATION	798665	B	2027-08-31	ONTARIO	91761	Set up workspace
ADVANCE CONSTRUCTION	842289	B	2027-05-31	ONTARIO	91762	Set up workspace
ADVANCED TECHNOLOGY INC	1064615	B, C-10	2028-03-31	ONTARIO	91762	Set up workspace
ADVANCO FIRE PROTECTION INC	631600	C-16, C-34	2027-11-30	ONTARIO	91762	Set up workspace
AFFORDABLE HOLLOW METAL DOOR INC	1018578	D28	2026-09-30	ONTARIO	91761	Set up workspace
AFFORDABLE SERVICES	857640	C-21, D06, D49, D63	2027-04-30	ONTARIO	91762	Set up workspace
AG BUILDING AND REMODELING INC	1153779	B	2028-04-30	ONTARIO	91761	Set up workspace
AHOME CONSTRUCTION INC	1066852	B	2028-07-31	ONTARIO	91764	Set up workspace
A I C INTERIOR INC	806562	B	2026-09-30	ONTARIO	91761	Set up workspace
A - INDUSTRIAL DESIGN / BUILD	969373	B	2028-01-31	ONTARIO	91764	Set up workspace
ALBERTO GARCIA CONSTRUCTION SERVICES INC DBA A G CONSTRUCTION	793245	B, C-8, C-10, C-29	2027-04-30	ONTARIO	91762	Set up workspace
ALBERTO GARCIA CONTRACTOR	624340	B, C-10, C-29	2027-08-31	ONTARIO	91762	Set up workspace
ALFONSO GONZALEZ JR	1132020	D40	2027-01-31	ONTARIO	91764	Set up workspace
ALJOHN BUILDERS	616383	B	2027-03-31	ONTARIO	91761	Set up workspace
ALLIANCE COMMUNICATION SERVICES INC	746796	B, C-7	2027-04-30	ONTARIO	91761	Set up workspace
ALLSTAR ADU & GENERAL BUILDER	1009628	B, C-54	2027-12-31	ONTARIO	91762	Set up workspace
ALL TECH COMMERCIAL POOL SERVICE & REPAIR	1152862	D35	2028-04-30	ONTARIO	91762	Set up workspace
ALL TRADE DECKING	708790	D12, D41	2027-06-30	ONTARIO	91761	Set up workspace
ALLWAYSS	1088428	A	2028-03-31	ONTARIO	91761	Set up workspace
AMBAK CONSTRUCTION	923086	B	2026-10-31	ONTARIO	91761	Set up workspace
AMERICAN GENERAL BUILDERS	1114159	B	2027-12-31	ONTARIO	91746	Set up workspace
AMILCAR M CASTILLO	711675	B	2027-04-30	ONTARIO	91761	Set up workspace
AMINS CONSTRUCTION INC	1149094	B	2028-01-31	ONTARIO	91764	Set up workspace
ANDA	1032575	B	2027-11-30	ONTARIO	91762	Set up workspace
ANNA EARLEY DBA EPOXY CONSTRUCTION SERVICES	721740	D12	2028-04-30	ONTARIO	91762	Set up workspace
ANSARY ABOUBAKARE	1042235	B, C-20, C-38	2028-07-31	ONTARIO	91761	Set up workspace
ANTON CONSTRUCTION	461541	A, B	2027-01-31	ONTARIO	91764	Set up workspace
ARIJET CORPORATION	916562	A, C-7	2028-06-30	ONTARIO	91762	Set up workspace
ARTISAN CONSTRUCTION	1087835	B	2028-02-29	ONTARIO	91762	Set up workspace
ASHKA DESIGN & CONSTRUCTION	1145356	B	2027-10-31	ONTARIO	91764	Set up workspace
A T S CONSTRUCTION	807837	B	2028-05-31	ONTARIO	91761	Set up workspace
BALTO DEVELOPMENT INC	1067561	B	2028-08-31	ONTARIO	91761	Set up workspace
BAYWOOD CONSTRUCTION CO	415687	B	2027-12-31	ONTARIO	91762	Set up workspace
BC7 CONSTRUCTION INC	1049615	B, C-36	2027-01-31	ONTARIO	91764	Set up workspace
BCBC CONSTRUCTION	926682	B	2026-12-31	ONTARIO	91761	Set up workspace
BEST CHOICE BUILDING & DEVELOPING	1084808	B	2027-12-31	ONTARIO	91761	Set up workspace
BEST DEAL SHUTTERS & BLINDS	997420	D52	2026-10-31	ONTARIO	91761	Set up workspace
B FRIES CONSTRUCTION INC	735157	B	2028-06-30	ONTARIO	91761	Set up workspace
BGW BUILDING PRODUCTS INC	1156225	B	2028-06-30	ONTARIO	91761	Set up workspace

Showing 1–50 of 200

Quick answers

How many general builder contractors are in ONTARIO?: 200 with a current California license, as of 2026-08-31.
How do I check a license is current?: Every listing shows its state license number and expiry. Verify any of them directly against the California CSLB licensee database.