Larsen Energy Systems INC, C-20 HVAC Contractor in Santa Rosa, CA
Larsen Energy Systems INC operating as a corporation holds an active California contractor license (CSLB #621440), valid through Dec 31, 2026. First issued in 1991, the license has been on the CSLB roster for 35 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Berkshire Hathaway Direct Insurance Company. The business is based in Santa Rosa, in Sonoma County, California.
- License Number
- 621440
- Issued
- Jun 6, 1991
- Status
- CLEAR
- Expires
- Dec 31, 2026
- Entity
- Corporation
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800233554
- Effective
- Nov 20, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Berkshire Hathaway Direct Insurance Company
- Policy Number
- N9WC235226
- Effective
- Dec 13, 2025
- Expires
- Dec 13, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Larsen Energy Systems INC licensed in California?
Yes. Larsen Energy Systems INC holds California Contractors State License Board license number 621440, which is active and in good standing. The license was first issued on June 6, 1991. It is valid through December 31, 2026.
What does Larsen Energy Systems INC specialize in?
Larsen Energy Systems INC is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Larsen Energy Systems INC headquartered?
Larsen Energy Systems INC is headquartered at 7870 Foothill Ranch Rd, Santa Rosa, CA 95404, in Sonoma County, California.
Does Larsen Energy Systems INC have an active surety bond on file with CSLB?
Yes. Larsen Energy Systems INC has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Larsen Energy Systems INC carry workers' compensation coverage?
Yes. Larsen Energy Systems INC carries active workers' compensation coverage through Berkshire Hathaway Direct Insurance Company.
How do I verify Larsen Energy Systems INC's contractor license?
You can verify Larsen Energy Systems INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=621440.
- License issuedJun 6, 1991
- Bond activeNov 20, 2025
- WC coverage startsDec 13, 2025
- WC expiresDec 13, 2026
- License expiresDec 31, 2026
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