Optemo Hydronics, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Santa Rosa, CA
Optemo Hydronics operating as a sole owner holds an active California contractor license (CSLB #788924), valid through Feb 29, 2028. First issued in 2000, the license has been on the CSLB roster for 26 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 Santa Rosa, in Sonoma County, California.
- License Number
- 788924
- Issued
- Dec 19, 2000
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101042104
- Effective
- Feb 26, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 14, 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 Optemo Hydronics licensed in California?
Yes. Optemo Hydronics holds California Contractors State License Board license number 788924, which is active and in good standing. The license was first issued on December 19, 2000. It is valid through February 29, 2028.
What does Optemo Hydronics specialize in?
Optemo Hydronics is licensed for one CSLB classification: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor.
Where is Optemo Hydronics headquartered?
Optemo Hydronics is headquartered at 332 Carrillo Street, Santa Rosa, CA 95401, in Sonoma County, California.
Does Optemo Hydronics have an active surety bond on file with CSLB?
Yes. Optemo Hydronics has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Optemo Hydronics carry workers' compensation coverage?
Optemo Hydronics reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Optemo Hydronics's contractor license?
You can verify Optemo Hydronics's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=788924.
- License issuedDec 19, 2000
- WC coverage startsJan 14, 2026
- Bond activeFeb 26, 2026
- License expiresFeb 29, 2028
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