Adl Plumbing, C-36 Plumbing Contractor in South San Francisco, CA
Adl Plumbing operating as a sole owner holds an active California contractor license (CSLB #988585), valid through Nov 30, 2027. First issued in 2013, the license has been on the CSLB roster for 13 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 South San Francisco, in San Mateo County, California.
- License Number
- 988585
- Issued
- Nov 20, 2013
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101711163
- Effective
- Nov 20, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 27, 2025
- 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 Adl Plumbing licensed in California?
Yes. Adl Plumbing holds California Contractors State License Board license number 988585, which is active and in good standing. The license was first issued on November 20, 2013. It is valid through November 30, 2027.
What does Adl Plumbing specialize in?
Adl Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Adl Plumbing headquartered?
Adl Plumbing is headquartered at 2590 Ardee Lane, South San Francisco, CA 94080, in San Mateo County, California.
Does Adl Plumbing have an active surety bond on file with CSLB?
Yes. Adl Plumbing has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Adl Plumbing carry workers' compensation coverage?
Adl Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Adl Plumbing's contractor license?
You can verify Adl Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=988585.
- License issuedNov 20, 2013
- Bond activeNov 20, 2025
- WC coverage startsNov 27, 2025
- License expiresNov 30, 2027
- 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
- Gruber Plumbing#619639Moss Beach·B General Building Contractor
- Lovazzano Mechanical Incorporated#619015Menlo Park·C-16 Fire Protection Contractor
Working a California job with Adl 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 Adl Plumbing? Claim or correct this profile