Public CSLB records

Black Sun Boilers INC, C-4 Boiler, Hot Water Heating and Steam Fitting Contractor in Santa Rosa, CA

License #1040835·Corporation·Santa Rosa, Sonoma County
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Summary

Black Sun Boilers INC operating as a corporation holds California contractor license #1040835, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2018, the license has been on the CSLB roster for 8 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 active workers' compensation coverage from State Compensation Insurance Fund. The business is based in Santa Rosa, in Sonoma County, California.

Business Information
Address
2034 Ravello Way
Santa Rosa, CA 95403
License Details & Classifications
License Number
1040835
Issued
Jun 18, 2018
Status
CLEAR
Expires
Jun 30, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
American Contractors Indemnity Company
Bond Number
100389246
Effective
Jan 1, 2023
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9311762
Effective
Jan 21, 2022
Expires
Jan 21, 2027
Alert

This contractor has a compliance issue in its public CSLB record:

  • License expired
License StatusInactive / Expired
Contractor BondOn file
Workers' CompensationActive

An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this

Frequently asked questions
Is Black Sun Boilers INC licensed in California?

Black Sun Boilers INC previously held California Contractors State License Board license number 1040835, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 18, 2018.

What does Black Sun Boilers INC specialize in?

Black Sun Boilers INC is licensed for one CSLB classification: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor.

Where is Black Sun Boilers INC headquartered?

Black Sun Boilers INC is headquartered at 2034 Ravello Way, Santa Rosa, CA 95403, in Sonoma County, California.

Does Black Sun Boilers INC have an active surety bond on file with CSLB?

Yes. Black Sun Boilers INC has an active California contractor surety bond filed with American Contractors Indemnity Company.

Does Black Sun Boilers INC carry workers' compensation coverage?

Yes. Black Sun Boilers INC carries active workers' compensation coverage through State Compensation Insurance Fund.

How do I verify Black Sun Boilers INC's contractor license?

You can verify Black Sun Boilers INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1040835.

Activity Timeline
  1. License issuedJun 18, 2018
  2. WC coverage startsJan 21, 2022
  3. Bond activeJan 1, 2023
  4. License expiredJun 30, 2026
  5. WC expiresJan 21, 2027
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California lien & payment resources

Working a California job with Black Sun Boilers INC, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.

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