Grant Plumbing, C-36 Plumbing Contractor in San Mateo, CA
Grant Plumbing operating as a sole owner holds an active California contractor license (CSLB #890480), valid through Jan 31, 2027. First issued in 2007, the license has been on the CSLB roster for 19 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in San Mateo, in San Mateo County, California.
- License Number
- 890480
- Issued
- Jan 31, 2007
- Status
- CLEAR
- Expires
- Jan 31, 2027
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100070018
- Effective
- May 20, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 26, 2024
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Grant Plumbing licensed in California?
Yes. Grant Plumbing holds California Contractors State License Board license number 890480, which is active and in good standing. The license was first issued on January 31, 2007. It is valid through January 31, 2027.
What does Grant Plumbing specialize in?
Grant Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Grant Plumbing headquartered?
Grant Plumbing is headquartered at 990 Shoal Drive, San Mateo, CA 94404, in San Mateo County, California.
Does Grant Plumbing have an active surety bond on file with CSLB?
Yes. Grant Plumbing has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Grant Plumbing carry workers' compensation coverage?
Grant Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Grant Plumbing's contractor license?
You can verify Grant Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=890480.
- License issuedJan 31, 2007
- Bond activeMay 20, 2023
- WC coverage startsDec 26, 2024
- License expiresJan 31, 2027
- Advance Systems and Design#626704Redwood City·C-36 Plumbing Contractor
- Nolasco Construction Group#626336Menlo Park·B General Building Contractor
- Hargens INC#592325South San Francisco·B General Building Contractor
- Mc Cann D J Construction#602469Montara·B General Building Contractor
- Allen Mechanical Plumbing CO#611082So San Francisco·C-36 Plumbing Contractor
- Economy Plumbing#613784Burlingame·A General Engineering Contractor
- Royal Plumbing Service#609288South San Francisco·C-36 Plumbing Contractor
- O'neill Plumbing Company#609234Pacifica·C-36 Plumbing Contractor
Working a California job with Grant 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 Grant Plumbing? Claim or correct this profile