How many plumbing contractors are in COVINA, CA?

57 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.

Plumbing contractors in COVINA, CA

57 listings

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

There are 57 plumbing contractors in COVINA, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-09-30; 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
A-1 ROOTER	840421	C-36	2028-06-30	COVINA	91724	Set up workspace
ACE PELIZON PLUMBING	1154407	C-10, C-20, C-36, C-42	2028-05-31	COVINA	91723	Set up workspace
ALDCLA INC	616269	A, C-36, C-53, D64	2026-10-31	COVINA	91723	Set up workspace
AMERICAN INFASTRUCTURE	1030873	A, B, C-10, C-36	2027-09-30	COVINA	91724	Set up workspace
AM PLUMBING	1146344	C-36	2027-11-30	COVINA	91722	Set up workspace
ANDERSEN COMMERCIAL PLUMBING LLC	1039820	C-36	2028-05-31	COVINA	91722	Set up workspace
ANDERSEN COMMERCIAL PLUMBING LLC DBA ASAP DRAIN GUYS & PLUMBING	1081682	C-36	2027-09-30	COVINA	91722	Set up workspace
A PINE PLUMBING CO	1093260	C-36	2028-06-30	COVINA	91722	Set up workspace
AP PLUMBING AND ROOTER INC	1087944	C-36	2027-12-31	COVINA	91722	Set up workspace
BALDWIN BUILDERS	992380	ASB, B, C-22, C-36, D41, D64, HAZ	2028-04-30	COVINA	91724	Set up workspace
BIG SMILE PLUMBING	1078521	ASB, B, C-36	2027-11-30	COVINA	91723	Set up workspace
BROWN BROTHERS BACKFLOW TESTING INC	1031850	C-36	2027-10-31	COVINA	91722	Set up workspace
B W K PLUMBING	1084421	C-36	2027-12-31	COVINA	91723	Set up workspace
CANYON AIR SYSTEMS	1085763	C-20, C-36	2028-01-31	COVINA	91722	Set up workspace
COURTESY PLUMBERS INC	1016116	C-36	2028-07-31	COVINA	91722	Set up workspace
CRUZ JOHNNY PLUMBING	1106109	C-36	2027-06-30	COVINA	91724	Set up workspace
DC DRAINS	1064957	C-36	2028-04-30	COVINA	91722	Set up workspace
DEMARCO PLUMBING & DRAIN	1147250	C-36	2027-12-31	COVINA	91722	Set up workspace
EASTLAKE PLUMBING	1150253	C-36	2028-02-29	COVINA	91722	Set up workspace
ENOVATIVE MECHANICAL AND ENERGY SERVICES	1036688	B, C-20, C-36, C-38	2028-03-31	COVINA	91723	Set up workspace
FLASH PLUMBING INC	1116600	C-36	2028-02-29	COVINA	91722	Set up workspace
GOLDEN EAGLE PLUMBING	999190	C-36	2027-12-31	COVINA	91722	Set up workspace
GREEN ECO CONSTRUCTION INC	1063673	B, C-36	2028-02-29	COVINA	91724	Set up workspace
GT ROOTER & HYDROJET	1145315	C-36	2027-10-31	COVINA	91722	Set up workspace
HARTMAN PLUMBING SERVICES	1027891	C-36	2027-06-30	COVINA	91723	Set up workspace
H D PRODUCTION PLUMBING CONTRACTORS INC	817184	C-36	2027-02-28	COVINA	91724	Set up workspace
INTEGRITY PLUMBING COMPANY	717098	C-36	2028-01-31	COVINA	91724	Set up workspace
JARROD ROBACK	1148530	B, C-36	2028-01-31	COVINA	91723	Set up workspace
JOHN PLUMBING	907585	C-36	2027-12-31	COVINA	91724	Set up workspace
JOHN WHITE PLUMBING	497638	C-36	2026-09-30	COVINA	91724	Set up workspace
JT ROOTER AND PLUMBING SERVICES	918226	C-36	2028-06-30	COVINA	91724	Set up workspace
KIRMAN PLUMBING COMPANY	1083688	C-36	2027-11-30	COVINA	91722	Set up workspace
KLEIN PLUMBING AND DRAIN CLEANING SERVICE	850452	C-36	2026-12-31	COVINA	91724	Set up workspace
KLINE'S PLUMBING INC	912603	C-36	2028-08-31	COVINA	91722	Set up workspace
MATTHEW OLIVAS	950208	C-36	2028-02-29	COVINA	91722	Set up workspace
MCLAY SERVICES	1156884	B, C-20, C-36	2028-06-30	COVINA	91722	Set up workspace
MONROE DIVERSIFIED COMPANIES INC	1006269	B, C-36	2027-08-31	COVINA	91724	Set up workspace
MVP PLUMBING & DRAIN SERVICES INC	946114	C-36	2027-01-31	COVINA	91723	Set up workspace
NAVA PLUMBING COMPANY	1149784	C-36	2028-02-29	COVINA	91724	Set up workspace
NICK HOAG	1038859	C-36	2028-05-31	COVINA	91722	Set up workspace
OSCAR'S PLUMBING & ROOTER	1126182	C-36	2026-09-30	COVINA	91722	Set up workspace
OSMART PLUMBING CORP	1157593	C-36	2028-07-31	COVINA	91722	Set up workspace
PENNINE PLUMBING	1090302	C-36	2028-04-30	COVINA	91722	Set up workspace
PMC PLUMBING INC	1133528	C-36	2027-02-28	COVINA	91722	Set up workspace
POWER PLUMBING	1089489	C-36	2028-04-30	COVINA	91722	Set up workspace
RAMON RAMOS	742790	C-36	2027-11-30	COVINA	91723	Set up workspace
RAYMOND PALACIOS	1006068	C-36	2027-08-31	COVINA	91723	Set up workspace
SOUTHWEST MECHANICAL INC	761417	B, C-4, C-20, C-36	2028-05-31	COVINA	91723	Set up workspace
STEVEN DELGADO	967734	C-36	2027-11-30	COVINA	91722	Set up workspace
SUPERIOR PLUMBING	1066271	C-36	2028-06-30	COVINA	91722	Set up workspace

Showing 1–50 of 57

Quick answers

How many plumbing contractors are in COVINA?: 57 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.