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Licensed Plumbers in Sunnyvale, California

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

  • 31licensed plumbers
  • 30active (Clear)
  • 3.2%with a suspension
  • 41.9%workers' comp exempt
  • 7.1 yrsmedian time licensed
  • 54.8%corp / LLC / partnership (45.2% sole owner)
  • 6new in the last 12 months
  • —change tracking began November 1, 2026

There are 31 plumbers based in Sunnyvale in CSLB's current file. 30 (96.8%) have a Clear status as of November 1, 2026.

The share with a suspension (3.2%) is close to the Santa Clara County rate for the same license (3.5%). 41.9% report a workers' comp exemption, 9.3 points lower than the statewide figure for plumbers (51.2%), so many of these businesses say they have no employees.

Experience varies: 45.2% have been licensed 10+ years and 6 are new this year (median 7.1 years, vs 13.4 statewide).

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 Sunnyvale

  1. Find the business in the list below, or search all 31 Sunnyvale listings, and open its profile. You want a Clear status and the C-36 classification (a B license can also cover it as part of a multi-trade job).
  2. Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
  3. Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed plumber is required by law. See the $1,000 rule.

All 31 plumbers in Sunnyvale

Sunnyvale 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 Sunnyvale
Business nameLicense #StatusYearsWorkers' compBond
Backflow Prevention Specialists INC 427328 Clear 44 Insured On file
D P Plumbing 692467 Clear 32 Exempt On file
Washburn Construction INC 734942 Clear 29 Insured On file
K S Plumbing 744415 Clear 28 Exempt On file
Pascal Engineering INC 757196 Clear 27 Insured On file
A & A Plumbing 801323 Clear 24 Insured On file
California Waterscape 814302 Clear 24 Insured On file
Maan Plumbing INC 890650 Clear 19 Insured On file
Perfect Pitch Plumbing 942219 Clear 16 None On file
Comet Plumbing and Sewer Company 951887 Clear 16 Insured On file
James A Stytle 969133 Clear 14 Insured On file
Maki Construction 972438 Clear 14 Insured On file
Drain Go Plumbing 988301 Clear 13 Exempt On file
O Leary Plumbing INC 1008614 Clear 11 Insured On file
V H Construction & Plumbing INC 1049209 Clear 7 Insured On file
#1 Honest Plumber INC 1068995 Clear 6 Insured On file
Innova Plumbing & Electrical 1069344 Clear 6 Insured On file
K V N Plumbing 1080003 Clear 5 Exempt On file
Tankless Guys Plumbing Corp the 1094217 Clear 4 Insured On file
Uribe Backflow Service 1105774 Clear 3 Exempt On file
Shogun Plumbing 1126609 Clear 2 Exempt On file
Ochoa Plumbing Sewers & Drains 1129386 Clear 1 Exempt On file
Pressnell Plumbing Service 1142611 Clear 1 Exempt On file
Westforce Plumbing 1144411 Clear 1 Insured On file
Mr. Rooter Plumbing of Sunnyvale-Mountain View 1148884 Clear <1 Insured On file
Blue Grid Plumbing 1153156 Clear <1 Exempt On file
Rck Development 1154799 Clear <1 Exempt On file
Oncall Rooter INC 1156276 Clear <1 Exempt On file
Andrade's Plumbing 1158282 Clear <1 Exempt On file
Rc Pro Plumbing Corp 1159001 Clear <1 Exempt On file
Mtz Plumbing INC 1059084 Susp: workers' compensation 7 None On file

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 Sunnyvale?

CSLB's current public file lists 31 plumbers with a Sunnyvale mailing address. 30 have a Clear status, and 90.3% 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?

Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Sunnyvale, 51.6% of plumbers list a policy, 41.9% claim an exemption and 6.5% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.

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