Larsen Plumbing, C-36 Plumbing Contractor in Valencia, CA
Larsen Plumbing operating as a sole owner holds an active California contractor license (CSLB #529790), valid through Mar 31, 2027. First issued in 1988, the license has been on the CSLB roster for 38 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 Valencia, in Los Angeles County, California.
- License Number
- 529790
- Issued
- May 10, 1988
- Status
- CLEAR
- Expires
- Mar 31, 2027
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 100019164
- Effective
- Mar 14, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 4, 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 Larsen Plumbing licensed in California?
Yes. Larsen Plumbing holds California Contractors State License Board license number 529790, which is active and in good standing. The license was first issued on May 10, 1988. It is valid through March 31, 2027.
What does Larsen Plumbing specialize in?
Larsen Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Larsen Plumbing headquartered?
Larsen Plumbing is headquartered at 23613 Via Ebano, Valencia, CA 91355, in Los Angeles County, California.
Does Larsen Plumbing have an active surety bond on file with CSLB?
Yes. Larsen Plumbing has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Larsen Plumbing carry workers' compensation coverage?
Larsen Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Larsen Plumbing's contractor license?
You can verify Larsen Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=529790.
- License issuedMay 10, 1988
- Bond activeMar 14, 2023
- WC coverage startsMar 4, 2025
- License expiresMar 31, 2027
- Sheflo Plumbing CO#91479Agoura Hills·C-20 HVAC Contractor
- Hoskins Plumbing#91761Whittier·C-20 HVAC Contractor
- G E M Plumbing INC#111308Sierra Madre·C-20 HVAC Contractor
- Darrow Heating and Air Conditioning CORP#114301North Hollywood·B General Building Contractor
- Acco Engineered Systems#120696Pasadena·A General Engineering Contractor
- West B Plumbing#121703North Hollywood·C-36 Plumbing Contractor
- General Installation Company#151839Gardena·B General Building Contractor
- Van Diest Bros INC#157555Paramount·A General Engineering Contractor
Working a California job with Larsen 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 Larsen Plumbing? Claim or correct this profile