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Licensed plumbers in Covina

55 contractors with a Covina mailing address hold an active (CLEAR) CSLB C-36 Plumbing license in CSLB's license file dated Oct 20, 2026. Get quotes from up to 3 of them →

Plumbing work calls for a C-36 Plumbing license. A B general builder can do plumbing only as part of a larger job with other unrelated trades, unless they also hold a C-36.
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Ad space · openAdvertise here
A Featured spot on this plumbing page for Covina is a paid ad for a License Verified contractor, labeled "Ad" every time. It sits apart from the directory and never changes the order below. From $49/mo. Join the waitlist →

All 55 licensed plumbers

Order: A–Z by business name (neutral, stated). Showing 1–55.
A C PLUMBING
C-36 · Lic. #825130 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
A-1 ROOTER
C-36 · Lic. #840421 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
ACE PELIZON PLUMBING
C-36 · also C-10, C-20, C-42 · Lic. #1154407 · Covina 91723
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ALDCLA INC
C-36 · also A, C-53, D-64 · Lic. #616269 · Covina 91723
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AM PLUMBING
C-36 · Lic. #1146344 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
AMERICAN INFASTRUCTURE
C-36 · also A, B, C-10 · Lic. #1030873 · Covina 91724
Workers' comp policy on file
Active — CSLB flag: workers' comp suspension pending
ANDERSEN COMMERCIAL PLUMBING LLC
C-36 · Lic. #1039820 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
AP PLUMBING AND ROOTER INC
C-36 · Lic. #1087944 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
B W K PLUMBING
C-36 · Lic. #1084421 · Covina 91723
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
BALDWIN BUILDERS
C-36 · also ASB, B, C-22, D-41… · Lic. #992380 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BIG SMILE PLUMBING
C-36 · also ASB, B · Lic. #1078521 · Covina 91723
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
BROWN BROTHERS BACKFLOW TESTING INC
C-36 · Lic. #1031850 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
COURTESY PLUMBERS INC
C-36 · Lic. #1016116 · Covina 91722
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
CRUZ JOHNNY PLUMBING
C-36 · Lic. #1106109 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
DC DRAINS
C-36 · Lic. #1064957 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
EASTLAKE PLUMBING
C-36 · Lic. #1150253 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
ENOVATIVE MECHANICAL AND ENERGY SERVICES
C-36 · also B, C-20, C-38 · Lic. #1036688 · Covina 91723
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
FLASH PLUMBING INC
C-36 · Lic. #1116600 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
GOLDEN EAGLE PLUMBING
C-36 · Lic. #999190 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
GREEN ECO CONSTRUCTION INC
C-36 · also B · Lic. #1063673 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
H D PRODUCTION PLUMBING CONTRACTORS INC
C-36 · Lic. #817184 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
HARTMAN PLUMBING SERVICES
C-36 · Lic. #1027891 · Covina 91723
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
INTEGRITY PLUMBING COMPANY
C-36 · Lic. #717098 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JARROD ROBACK
C-36 · also B · Lic. #1148530 · Covina 91723
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JOHN PLUMBING
C-36 · Lic. #907585 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
JOHN WHITE PLUMBING
C-36 · Lic. #497638 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
JT ROOTER AND PLUMBING SERVICES
C-36 · Lic. #918226 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
KIRMAN PLUMBING COMPANY
C-36 · Lic. #1083688 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
KLEIN PLUMBING AND DRAIN CLEANING SERVICE
C-36 · Lic. #850452 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
KLINE'S PLUMBING INC
C-36 · Lic. #912603 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MATTHEW OLIVAS
C-36 · Lic. #950208 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MCLAY SERVICES
C-36 · also B, C-20 · Lic. #1156884 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MG MECHANICAL & PLUMBING LLC
C-36 · Lic. #1160519 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
MONROE DIVERSIFIED COMPANIES INC
C-36 · also B · Lic. #1006269 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
MVP PLUMBING & DRAIN SERVICES INC
C-36 · Lic. #946114 · Covina 91723
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NAVA PLUMBING COMPANY
C-36 · Lic. #1149784 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
NICK HOAG
C-36 · Lic. #1038859 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OSCAR'S PLUMBING & ROOTER
C-36 · Lic. #1126182 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
OSMART PLUMBING CORP
C-36 · Lic. #1157593 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
PENNINE PLUMBING
C-36 · Lic. #1090302 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
PMC PLUMBING INC
C-36 · Lic. #1133528 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
POWER PLUMBING
C-36 · Lic. #1089489 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
RAMON RAMOS
C-36 · Lic. #742790 · Covina 91723
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
RAYMOND PALACIOS
C-36 · Lic. #1006068 · Covina 91723
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
RUGGED PLUMBING
C-36 · Lic. #1161620 · Covina 91723
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SECUREPIPE PLUMBING
C-36 · Lic. #1150586 · Covina 91723
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SOUTHWEST MECHANICAL INC
C-36 · also B, C-4, C-20 · Lic. #761417 · Covina 91723
Workers' comp: via leasing/temp firm
✓License Verified CSLB file · Oct 20, 2026
STEVEN DELGADO
C-36 · Lic. #967734 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
SUPER ROOTER INC
C-36 · Lic. #1032285 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
T RYAN PLUMBING
C-36 · Lic. #466317 · Covina 91724
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
TOP NOTCH PLUMBING INC
C-36 · Lic. #1018137 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
VALLEY PLUMBING
C-36 · also C-4, C-16 · Lic. #408122 · Covina 91722
Workers' comp: exempt
✓License Verified CSLB file · Oct 20, 2026
VERITY PLUMBING INC
C-36 · Lic. #970359 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WESTCOAST PLUMBING SERVICES
C-36 · also A · Lic. #1154636 · Covina 91722
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026
WUILLAY PLUMBING INC
C-36 · Lic. #527859 · Covina 91724
Workers' comp policy on file
✓License Verified CSLB file · Oct 20, 2026