Express Plumbing, A General Engineering Contractor in San Mateo, CA
Express Plumbing operating as a corporation holds California contractor license #778428, which is currently expired (lapsed May 31, 2026) and not valid to contract until it is renewed. First issued in 2000, the license has been on the CSLB roster for 26 years. It carries 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and active workers' compensation coverage from Travelers Property Casualty Company of America. The business is based in San Mateo, in San Mateo County, California.
- License Number
- 778428
- Issued
- May 8, 2000
- Status
- CLEAR
- Expires
- May 31, 2026
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100117664
- Effective
- Aug 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Travelers Property Casualty Company of America
- Policy Number
- UBC720622A
- Effective
- Apr 15, 2026
- Expires
- Apr 15, 2027
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Express Plumbing licensed in California?
Express Plumbing previously held California Contractors State License Board license number 778428, but the license expired on May 31, 2026 and is not currently valid. It was first issued on May 8, 2000.
What does Express Plumbing specialize in?
Express Plumbing is licensed for 3 CSLB classifications: A General Engineering Contractor, B General Building Contractor, and C-36 Plumbing Contractor.
Where is Express Plumbing headquartered?
Express Plumbing is headquartered at 307 N Amphelett Blvd, San Mateo, CA 94401, in San Mateo County, California.
Does Express Plumbing have an active surety bond on file with CSLB?
Yes. Express Plumbing has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Express Plumbing carry workers' compensation coverage?
Yes. Express Plumbing carries active workers' compensation coverage through Travelers Property Casualty Company of America.
How do I verify Express Plumbing's contractor license?
You can verify Express Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=778428.
- License issuedMay 8, 2000
- Bond activeAug 1, 2023
- WC coverage startsApr 15, 2026
- License expiredMay 31, 2026
- WC expiresApr 15, 2027
- Cesare J D Construction INC#321720Burlingame·A General Engineering Contractor
- Pribuss Engineering INC#251241So San Francisco·B General Building Contractor
- Kelley Les INC#252313Belmont·A General Engineering Contractor
- R F Johnson Construction#252469Millbrae·B General Building Contractor
- Lindstrom CO#244500San Mateo·B General Building Contractor
- Rudolph & Sletten INC#198069Menlo Park·A General Engineering Contractor
- Huettig & Schromm INC#129060Menlo Park·A General Engineering Contractor
- O'keeffe's INC#101981Brisbane·B General Building Contractor
Working a California job with Express Plumbing, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Express Plumbing? Claim or correct this profile