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Licensed Plumbers in San Marcos, California

Updated November 1, 2026 from CSLB's public license file · C-36 Plumbing Contractor

  • 51licensed plumbers
  • 50active (Clear)
  • 2%with a suspension
  • 60.8%workers' comp exempt
  • 7.9 yrsmedian time licensed
  • 60.8%corp / LLC / partnership (39.2% sole owner)
  • 6new in the last 12 months
  • —change tracking began November 1, 2026

San Marcos is home to 51 plumbers in CSLB's license file, ranking #9 of 20 San Diego County cities for this trade. 98% are Clear.

60.8% report a workers' comp exemption, 9.6 points higher than the statewide figure for plumbers (51.2%), so many of these businesses say they have no employees. The share with a suspension, 2%, is 2 points lower than the San Diego County rate for the same license (4%).

The median plumber here has held a license for 7.9 years (less than the statewide median of 13.4), and 6 licenses were issued in the last 12 months.

In California this work generally calls for the C-36 Plumbing Contractor license (or a B license when it is part of a larger multi-trade job). See the C-36 Plumbing Contractor guide for what the license covers.

How to check a plumber's license in San Marcos

  1. Open the plumber's profile from the table below (or search San Marcos listings by name). Check that C-36 appears among its classifications and that the primary status reads Clear. What C-36 covers.
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Ask for the pocket license and a photo ID and match the name to your contract. Work of $1,000 or more needs a license (the $1,000 rule), and a down payment can't exceed $1,000 or 10% (down payment rules).

50 of 51 plumbers in San Marcos

San Marcos plumbers sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.

Licensed plumbers in San Marcos
Business nameLicense #StatusYearsWorkers' compBond
Ace Contractors 175404 Clear 68 Insured On file
Rick's Plumbing 302616 Clear 51 Insured On file
Abc Plumbing 370472 Clear 47 Exempt On file
Archibald Plumbing 371515 Clear 47 Exempt On file
Reade Frank Plumbing 415278 Clear 44 Exempt On file
Bellinger Patrick Plumbing 520443 Clear 39 Exempt On file
G B 3 INC 553409 Clear 37 None On file
Scott Michael INC 668809 Clear 33 Insured On file
Express Water Heaters & Plumbing Company 739998 Clear 29 Exempt On file
Empire Pipeline 760566 Clear 27 Insured On file
Anthony Moore Construction 776126 Clear 26 Insured On file
R V P Plumbing 828659 Clear 22 Exempt On file
D C Plumbing 838363 Clear 22 Exempt On file
Socal Construction Plumbing H V A C 878024 Clear 20 Insured On file
Remedy Plumbing INC 913623 Clear 18 Insured On file
C C H P 934353 Clear 17 Exempt On file
Palomar Plumbing 940025 Clear 17 None On file
M B C Plumbing Services INC 945833 Clear 16 Insured On file
North County Water Heater Services 971018 Clear 14 Exempt On file
Complete Plumbing & Backflow Service 974905 Clear 14 Exempt On file
M L Plumbing Services INC 979732 Clear 13 Insured On file
Lemus Plumbing 979943 Clear 13 Exempt On file
Purearth2o 1008134 Clear 11 Insured On file
Angelo's Home Improvement & Restoration INC 1017271 Clear 10 Insured On file
Packard Plumbing 1041416 Clear 8 Exempt On file
Christopher the Plumber INC 1047706 Clear 7 Exempt On file
Security Plumbing & Drains 1048772 Clear 7 Insured On file
Plumb365 Construction 1055296 Clear 7 Insured On file
Jl's Paradise Plumbing LLC 1059946 Clear 7 Exempt On file
R J B Plumbing INC 1059412 Clear 7 Exempt On file
Ezpz Plumbing Services 1065798 Clear 6 Exempt On file
Cadillac Plumbing INC 1074751 Clear 5 Exempt On file
Inspection Detection Connection 1076926 Clear 5 Exempt On file
Moore Plumbing & Drains LLC 1078448 Clear 5 Insured On file
California Repipe & Plumbing 1085233 Clear 4 Exempt On file
Oasis Plumbing Heating & Air Conditioning 1093808 Clear 4 Insured On file
Steady Plumbing 1112246 Clear 3 Exempt On file
E-Star Construction 1113686 Clear 2 Exempt On file
County Backflow 1116526 Clear 2 Exempt On file
Alloway Plumbing LLC 1122225 Clear 2 Exempt On file
Pacific Swift Plumbing INC 1123121 Clear 2 Exempt On file
Tommy's Tankless 1129828 Clear 1 Exempt On file
Swift Flow Plumbing 1136062 Clear 1 Insured On file
Select Plumbing INC 1144316 Clear 1 Exempt On file
Buddy Plumbing LLC 1149285 Clear <1 Insured On file
Marco Antonio Ramos 1148560 Clear <1 Exempt On file
Lemus Plumbing Services INC 1151011 Clear <1 Exempt On file
Reliant Water Heater and Filtration 1150297 Clear <1 Exempt On file
Gas Dawgs Plumbing 1153311 Clear <1 Exempt On file
A Local Plumber INC 1159128 Clear <1 Insured On file

See all 51 plumbers in San Marcos

Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.

Frequently asked questions

How many licensed plumbers are in San Marcos?

CSLB's current public file lists 51 plumbers with a San Marcos mailing address. 50 have a Clear status, and 86.3% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).

What license does a plumber need in California?

In California this work generally calls for the C-36 Plumbing Contractor license (or a B license when it is part of a larger multi-trade job). Any job of $1,000 or more in labor and materials needs a licensed contractor. Read our guide to the $1,000 rule.

How do I check a plumber's workers' comp?

Each profile shows the workers' comp type, insurer and policy dates from CSLB's file. Among San Marcos plumbers, 60.8% are exempt (no employees), 35.3% insured and 3.9% without current coverage. Verify a policy with CSLB's insurer search (step by step).

Related

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Guides