Plumbing contractor (C-36) in San Leandro, CA
7 licenses · checked Oct 27, 2026
There are 7 Plumbing contractor (C-36) licenses with an address of record in San Leandro, CA, in the CSLB License Master data checked Oct 27, 2026. That is 0.3% of the 2,617 such licenses statewide; San Leandro ranks #107 of 514 CA cities for this license type. They are spread across 3 ZIP codes; the most common are 94577 (5), 94579 (1), 94578 (1). Most list Alameda County. By business type: Corporation 5, Sole Owner 2. The median first-issue year is 2017; the oldest license dates from 2015. 4 of them come up for renewal or expiration in the next 12 months, so re-check status before you sign a contract.
What a Plumbing contractor (C-36) license covers
Plumbing (C-36) covers systems that supply safe water and remove liquid and water-borne waste, including water heaters, fixtures, gas piping, drain lines and backflow devices.
How to verify a license
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Official lookup: CSLB Instant License Check.
Plumbing contractor (C-36) licenses in San Leandro
Showing 7 of 7, A to Z. Listing order is alphabetical, not a recommendation.
- Capelli Plumbing INC#1026755 · 94579
- Costello'S Plumbing#1018923 · 94578
- Hoang General Construction#1021504 · 94577
- Lujano Builders INC#1048275 · 94577
- MCM Plumbing & Heating Corp DBA MCM Plumbing#1043312 · 94577
- R Y Pacific Plumbing INC#1042092 · 94577
- Service 4 Plumbing INC#1004766 · 94577
Frequently asked questions
How many Plumbing contractor (C-36) licenses are in San Leandro?
7 active licenses in the CSLB License Master data checked Oct 27, 2026 (0.3% of CA).
What does a Plumbing contractor (C-36) license cover?
Plumbing (C-36) covers systems that supply safe water and remove liquid and water-borne waste, including water heaters, fixtures, gas piping, drain lines and backflow devices.
How do I verify a Plumbing contractor (C-36) license in San Leandro?
Enter the license number in CSLB Instant License Check and confirm the status is active, the classification matches the work, and the contractor has a current bond and workers' compensation coverage (or a valid exemption). California requires the license number on contracts and advertising. Use the license number shown here with the CSLB Instant License Check.
How many San Leandro Plumbing contractor (C-36) licenses expire soon?
4 of 7 have an expiration date in the next 12 months. A license that lapses must be renewed before the holder can work under it again.
Other license types in San Leandro
General building contractor (49) · Electrical contractor (C-10) (15) · Painting contractor (C-33) (11) · Tile contractor (C-54) (7) · Roofing contractor (C-39) (5) · Flooring contractor (C-15) (5) · HVAC contractor (C-20) (4)
All Plumbing contractor (C-36) licenses in CA →
Source: CSLB License Master. Licensed California is independent and not affiliated with the licensing agency. Data checked Oct 27, 2026.