How many general builder contractors are in DIAMOND BAR, CA?

190 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 DIAMOND BAR, CA

190 listings

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

There are 190 general builder contractors in DIAMOND BAR, 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
5 ZERO INC	1105104	B	2027-05-31	DIAMOND BAR	91765	Set up workspace
ACE IRON WORKS	539620	C-23	2028-08-31	DIAMOND BAR	91765	Set up workspace
ACEMD CORPORATION	1111963	B	2027-10-31	DIAMOND BAR	91765	Set up workspace
ACE PLUMBING CO	785570	B, C-36	2026-10-31	DIAMOND BAR	91765	Set up workspace
A E D CONTRACTORS	441036	A, B, C-10, C-36	2028-03-31	DIAMOND BAR	91765	Set up workspace
ALLIANT CONSTRUCTION SERVICES INC	1061441	B	2027-12-31	DIAMOND BAR	91765	Set up workspace
ALPHA CONSTRUCTION SERVICES INC	1015331	B	2028-06-30	DIAMOND BAR	91765	Set up workspace
AMERICAN RESOURCES CORPORATION	895201	B	2027-04-30	DIAMOND BAR	91765	Set up workspace
APEX CONSTRUCTION BUILDER INC	1074739	B	2027-04-30	DIAMOND BAR	91765	Set up workspace
APT CONSTRUCTION INC	1149695	B	2028-01-31	DIAMOND BAR	91765	Set up workspace
ARKIUS INC	673454	B	2027-03-31	DIAMOND BAR	91765	Set up workspace
AVANTI MEMBRANE TECHNOLOGY INC	1091779	C-55	2028-05-31	DIAMOND BAR	91765	Set up workspace
AVEO INC	969881	A, B, C-10, C-20, C-36	2028-02-29	DIAMOND BAR	91765	Set up workspace
A W PIRELLI	463755	B	2026-10-31	DIAMOND BAR	91765	Set up workspace
B7 BUILDERS	1065231	B	2028-04-30	DIAMOND BAR	91765	Set up workspace
BIG ELEPHANT CONSTRUCTION INC	1031703	B	2027-10-31	DIAMOND BAR	91765	Set up workspace
BIG MANGO RENOVATION INC	1121648	B	2028-06-30	DIAMOND BAR	91765	Set up workspace
BLUE STAR CONTRACTOR	1120031	B	2028-04-30	DIAMOND BAR	91765	Set up workspace
CABINETS 4 YOU LLC	1112243	B	2028-05-31	DIAMOND BAR	91765	Set up workspace
CARVE MODULAR CORPORATION	1154699	B	2028-05-31	DIAMOND BAR	91765	Set up workspace
CASTANEDA CONSTRUCTION	932830	B	2027-05-31	DIAMOND BAR	91765	Set up workspace
CENTALINE CONSTRUCTION INC	1145427	B	2027-10-31	DIAMOND BAR	91765	Set up workspace
CFP CONSTRUCTION INC	700920	B	2027-01-31	DIAMOND BAR	91765	Set up workspace
CONSMA INC	951561	B	2028-04-30	DIAMOND BAR	91765	Set up workspace
C - THIRTY - SIX INC	739644	B, C-36	2028-05-31	DIAMOND BAR	91765	Set up workspace
CT & T CONCRETE PAVING INC	875627	A, C-8, C-12	2028-04-30	DIAMOND BAR	91765	Set up workspace
DANIEL C PUN	866867	B	2027-11-30	DIAMOND BAR	91765	Set up workspace
DANNYS INSTALLATION OF APPLIANCES	984698	D34	2027-06-30	DIAMOND BAR	91765	Set up workspace
D A S BUILDER INC	1044031	B	2027-07-31	DIAMOND BAR	91765	Set up workspace
DATANG BUILDING SERVICE INC	1103658	B	2027-04-30	DIAMOND BAR	91765	Set up workspace
DAVID LIANG HUA PEH	882040	B	2028-08-31	DIAMOND BAR	91765	Set up workspace
DAYONE CONSTRUCTION	1157614	B	2028-07-31	DIAMOND BAR	91765	Set up workspace
DCLOUD HOMES	1106436	B	2027-08-31	DIAMOND BAR	91765	Set up workspace
D C M REMODEL SPECIALTIES DBA DOUGLAS CHARLES MALO CONSTRUCTION	972557	B	2028-05-31	DIAMOND BAR	91765	Set up workspace
D D Y IMPROVEMENT CORP	925637	B	2026-12-31	DIAMOND BAR	91765	Set up workspace
DEREK SIM	977202	B	2028-09-30	DIAMOND BAR	91765	Set up workspace
DIAMOND ELEVATOR SERVICES	1021983	C-11	2026-12-31	DIAMOND BAR	91765	Set up workspace
DONGLIANGLU	1145119	B	2027-10-31	DIAMOND BAR	91765	Set up workspace
DONGQIANG LU	1139854	B	2027-07-31	DIAMOND BAR	91765	Set up workspace
DREAMER CONSTRUCTION AND DEVELOPMENT	1125664	B	2028-08-31	DIAMOND BAR	91765	Set up workspace
DREAM SPACE CONSTRUCTION	1071725	B, C-33	2026-12-31	DIAMOND BAR	91765	Set up workspace
D R O - WEST CONSTRUCTION	754069	B	2026-09-30	DIAMOND BAR	91765	Set up workspace
DUKE BUILDERS CORP	635180	B	2028-01-31	DIAMOND BAR	91765	Set up workspace
DYCONN INC	1093822	B	2028-07-31	DIAMOND BAR	91765	Set up workspace
DZ PRIME CONSTRUCTION	1129072	B	2026-11-30	DIAMOND BAR	91765	Set up workspace
ECHO DEVELOPMENT INC	993395	A	2028-06-30	DIAMOND BAR	91765	Set up workspace
ECP CONSTRUCTION	1150062	B	2028-02-29	DIAMOND BAR	91765	Set up workspace
EDESH ENTERPRISE INC DBA EDESH CONSTRUCTION	1020843	B, C-10, C-15	2026-11-30	DIAMOND BAR	91765	Set up workspace
EVERCRAFT CONSTRUCTION INC	1122597	B	2028-06-30	DIAMOND BAR	91765	Set up workspace
FALKON CONSTRUCTION INC	911791	A, B, C-8, D06	2028-03-31	DIAMOND BAR	91765	Set up workspace

Showing 1–50 of 190

Quick answers

How many general builder contractors are in DIAMOND BAR?: 190 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.