Wirsching Peter H, C-36 Plumbing Contractor in Granada Hills, CA
Wirsching Peter H operating as a sole owner holds an active California contractor license (CSLB #664361), valid through Feb 29, 2028. First issued in 1993, the license has been on the CSLB roster for 33 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Granada Hills, in Los Angeles County, California.
- License Number
- 664361
- Issued
- Feb 5, 1993
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 810025807
- Effective
- Jul 23, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 16, 2026
- 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 Wirsching Peter H licensed in California?
Yes. Wirsching Peter H holds California Contractors State License Board license number 664361, which is active and in good standing. The license was first issued on February 5, 1993. It is valid through February 29, 2028.
What does Wirsching Peter H specialize in?
Wirsching Peter H is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Wirsching Peter H headquartered?
Wirsching Peter H is headquartered at 11532 Andasol Avenue, Granada Hills, CA 91344, in Los Angeles County, California.
Does Wirsching Peter H have an active surety bond on file with CSLB?
Yes. Wirsching Peter H has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Wirsching Peter H carry workers' compensation coverage?
Wirsching Peter H reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Wirsching Peter H's contractor license?
You can verify Wirsching Peter H's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=664361.
- License issuedFeb 5, 1993
- Bond activeJul 23, 2025
- WC coverage startsFeb 16, 2026
- License expiresFeb 29, 2028
- Van Diest Bros INC#157555Paramount·A General Engineering Contractor
- General Installation Company#151839Gardena·B General Building Contractor
- Brandel Don Plumbing INC#176778Paramount·A General Engineering Contractor
- Smith Roy E Plumbing CO INC#179873Los Angeles·C-16 Fire Protection Contractor
- Hamm L M INC#171598San Gabriel·B General Building Contractor
- Stewart R O Plumbing & Heating CO#186403Los Angeles·C-20 HVAC Contractor
- Kahn Air Conditioning INC#206552Van Nuys·B General Building Contractor
- Pitman W S & Son INC#210243Los Angeles·C-36 Plumbing Contractor
Working a California job with Wirsching Peter H, 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 Wirsching Peter H? Claim or correct this profile