Hydrotech, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Larkspur, CA
Hydrotech operating as a sole owner holds an active California contractor license (CSLB #807037), valid through Apr 30, 2028. First issued in 2002, the license has been on the CSLB roster for 24 years. It carries a single CSLB classification: C-4 — Boiler, Hot Water Heating and Steam Fitting Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Larkspur, in Marin County, California.
- License Number
- 807037
- Issued
- Apr 23, 2002
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 10110860
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 22, 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 Hydrotech licensed in California?
Yes. Hydrotech holds California Contractors State License Board license number 807037, which is active and in good standing. The license was first issued on April 23, 2002. It is valid through April 30, 2028.
What does Hydrotech specialize in?
Hydrotech is licensed for one CSLB classification: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor.
Where is Hydrotech headquartered?
Hydrotech is headquartered at 63 Wilson Way, Larkspur, CA 94939, in Marin County, California.
Does Hydrotech have an active surety bond on file with CSLB?
Yes. Hydrotech has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Hydrotech carry workers' compensation coverage?
Hydrotech reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Hydrotech's contractor license?
You can verify Hydrotech's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=807037.
- License issuedApr 23, 2002
- Bond activeJan 1, 2023
- WC coverage startsMar 22, 2026
- License expiresApr 30, 2028
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