Public CSLB records

Porter's Mechanical INC, C-20 HVAC Contractor in Santa Rosa, CA

License #947065·Corporation·Santa Rosa, Sonoma County
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Summary

Porter's Mechanical INC operating as a corporation holds California contractor license #947065, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-43 Sheet Metal Contractor. Records show an active surety bond on file with Western Surety 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
4678 Sunland Ave
Santa Rosa, CA 95407
License Details & Classifications
License Number
947065
Issued
May 10, 2010
Status
CLEAR
Expires
Jul 31, 2026
Entity
Corporation
Financial & Insurance Coverage
Contractor Bond
Surety
Western Surety Company
Bond Number
67760172
Effective
Feb 24, 2026
Status
Active
Workers' Compensation
Coverage
Workers' Compensation Insurance
Carrier
State Compensation Insurance Fund
Policy Number
9052848
Effective
Apr 10, 2016
Expires
Apr 10, 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 Porter's Mechanical INC licensed in California?

Porter's Mechanical INC previously held California Contractors State License Board license number 947065, but the license expired on July 31, 2026 and is not currently valid. It was first issued on May 10, 2010.

What does Porter's Mechanical INC specialize in?

Porter's Mechanical INC is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-43 Sheet Metal Contractor.

Where is Porter's Mechanical INC headquartered?

Porter's Mechanical INC is headquartered at 4678 Sunland Ave, Santa Rosa, CA 95407, in Sonoma County, California.

Does Porter's Mechanical INC have an active surety bond on file with CSLB?

Yes. Porter's Mechanical INC has an active California contractor surety bond filed with Western Surety Company.

Does Porter's Mechanical INC carry workers' compensation coverage?

Yes. Porter's Mechanical INC carries active workers' compensation coverage through State Compensation Insurance Fund.

How do I verify Porter's Mechanical INC's contractor license?

You can verify Porter's Mechanical INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=947065.

Activity Timeline
  1. License issuedMay 10, 2010
  2. WC coverage startsApr 10, 2016
  3. Bond activeFeb 24, 2026
  4. License expiredJul 31, 2026
  5. WC expiresApr 10, 2027
Other contractors in Sonoma County
California lien & payment resources

Working a California job with Porter's Mechanical 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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