Licensed Plumbing (C-36) contractors in California

The California Contractors State License Board (CSLB) lists 12,022 California contractors classified C-36 (Plumbing (C-36)). Each entry below links to a full dossier with license status, insurance, bond, and enforcement — as of June 29, 2026.

Showing 3,121–3,180 of 12,022 contractors

Tom Donahue Plumbing
Long Beach, CA · CSLB #704301 · as of June 29, 2026
Active · clear
Donald Dillon Simar Plumbing CO
Nipomo, CA · CSLB #1015961 · as of June 29, 2026
Active · clear
Donald Plumbing
Blythe, CA · CSLB #713823 · as of June 29, 2026
Active · clear
Donald Mahone
Los Angeles, CA · CSLB #652964 · as of June 29, 2026
Active · clear
Donathan Plumbing Company
Menifee, CA · CSLB #1031732 · as of June 29, 2026
Active · clear
Done Right Drains And Plumbing
Chula Vista, CA · CSLB #1080898 · as of June 29, 2026
Active · clear
Done Right Plumbing
Newbury Park, CA · CSLB #952138 · as of June 29, 2026
Active · clear
Done Right Plumbing INC
Alamo, CA · CSLB #669017 · as of June 29, 2026
Active · clear
Done-rite Plumbing And Rooter
Boise, CA · CSLB #998069 · as of June 29, 2026
Active · clear
Done Wright Plumbing LLC
Santa Barbara, CA · CSLB #1095440 · as of June 29, 2026
Active · clear
Donica Plumbing
Crestline, CA · CSLB #920218 · as of June 29, 2026
Active · clear
Donlon Plumbing INC
Oxnard, CA · CSLB #975911 · as of June 29, 2026
Active · clear
Donnelly Plumbing
Santa Rosa Valley, CA · CSLB #1077274 · as of June 29, 2026
Active · clear
Donnie Smith Enterprises
Anaheim, CA · CSLB #806029 · as of June 29, 2026
Active · clear
Donnie's Plumbing
Murrieta, CA · CSLB #1110385 · as of June 29, 2026
Active · clear
Don's Plumbing
Dana Point, CA · CSLB #735397 · as of June 29, 2026
Active · clear
Don's Plumbing Service
Fort Jones, CA · CSLB #953111 · as of June 29, 2026
Active · clear
Don White Plumbing
Santa Ana, CA · CSLB #720319 · as of June 29, 2026
Active · clear
Door Crafters Of Irvine
Irvine, CA · CSLB #692224 · as of June 29, 2026
Active · clear
Do Rite Plumbing INC
El Cajon, CA · CSLB #1111444 · as of June 29, 2026
Active · clear
Dorn's Gas
Clovis, CA · CSLB #584806 · as of June 29, 2026
Active · clear
Dorsey Plumbing INC
San Dimas, CA · CSLB #396571 · as of June 29, 2026
Active · clear
Double A Plumbing
Los Angeles, CA · CSLB #1108736 · as of June 29, 2026
Active · clear
Double C Plumbing INC
Lotus, CA · CSLB #1112713 · as of June 29, 2026
Active · clear
Double Eagle Plumbing
Granada Hills, CA · CSLB #468724 · as of June 29, 2026
Active · clear
Double G Plumbing
Richmond, CA · CSLB #1088294 · as of June 29, 2026
Active · clear
Double O Plumbing And Rooter INC
Burbank, CA · CSLB #1099089 · as of June 29, 2026
Active · clear
Double O Plumbing & Drain CO
Santa Ana, CA · CSLB #996679 · as of June 29, 2026
Active · clear
Double R Plumbing
Fresno, CA · CSLB #1063444 · as of June 29, 2026
Active · clear
Double R Plumbing
Sacramento, CA · CSLB #1142136 · as of June 29, 2026
Active · clear
Double Shock Plumbing & Rooter INC
Stockton, CA · CSLB #1155314 · as of June 29, 2026
Active · clear
Doug Allen Plumbing INC
Ramona, CA · CSLB #576181 · as of June 29, 2026
Active · clear
Douglas Plumbing
El Cajon, CA · CSLB #960061 · as of June 29, 2026
Active · clear
Douglass Home Services INC
Orangevale, CA · CSLB #1156850 · as of June 29, 2026
Active · clear
Doug Parks And Son Plumbing
Fresno, CA · CSLB #411825 · as of June 29, 2026
Active · clear
Doug's Low Cost Plumbing
Hemet, CA · CSLB #1048798 · as of June 29, 2026
Active · clear
Doug's Plumbing
Martinez, CA · CSLB #631076 · as of June 29, 2026
Active · clear
Dove Plumbing And Rooter Service
La Quinta, CA · CSLB #999695 · as of June 29, 2026
Active · clear
Mark Dowis Plumbing
Camarillo, CA · CSLB #660276 · as of June 29, 2026
Active · clear
Downright Plumbing Solutions INC
Compton, CA · CSLB #1095677 · as of June 29, 2026
Active · clear
Downs Plumbing INC
Menifee, CA · CSLB #1056656 · as of June 29, 2026
Active · clear
Downstream Plumbing And Drains
San Diego, CA · CSLB #1133153 · as of June 29, 2026
Active · clear
Down The Drain Plumbing INC
Rialto, CA · CSLB #1061335 · as of June 29, 2026
Active · clear
Down The Drain Plumbing & Rooter
San Leandro, CA · CSLB #1072905 · as of June 29, 2026
Active · clear
Down The Line Plumbing INC
Hollister, CA · CSLB #1091577 · as of June 29, 2026
Active · clear
Down Under Drainage
Los Angeles, CA · CSLB #1044786 · as of June 29, 2026
Active · clear
Down Under Plumbing
Sausalito, CA · CSLB #748262 · as of June 29, 2026
Active · clear
Down Under Plumbing Services INC
Los Gatos, CA · CSLB #627666 · as of June 29, 2026
Active · clear
DP Dealer LLC
Monrovia, CA · CSLB #1146892 · as of June 29, 2026
Active · clear
D & P Leak Detection INC
Riverside, CA · CSLB #1029862 · as of June 29, 2026
Active · clear
D Plumber INC
Stockton, CA · CSLB #955980 · as of June 29, 2026
Active · clear
The D Plumbing CO
Castaic, CA · CSLB #780703 · as of June 29, 2026
Active · clear
D Pool Plumbing CO
Fresno, CA · CSLB #1010599 · as of June 29, 2026
Active · clear
Bart Drescher DBA DP Pipe Works Plumbing
Napa, CA · CSLB #825205 · as of June 29, 2026
Active · clear
D P Plumbing
Sunnyvale, CA · CSLB #692467 · as of June 29, 2026
Active · clear
D P Plumbing
Antioch, CA · CSLB #1025210 · as of June 29, 2026
Active · clear
DP Plumbing
Paso Robles, CA · CSLB #1144578 · as of June 29, 2026
Active · clear
DP Plumbing & Sewer INC
Chino, CA · CSLB #1041768 · as of June 29, 2026
Active · clear
DPS Plumbing CO
Venice, CA · CSLB #1042854 · as of June 29, 2026
Active · clear
D Q Plumbing INC
Escondido, CA · CSLB #1048004 · as of June 29, 2026
Active · clear

Data sourced from the California Contractors State License Board (CSLB), current as of June 29, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.