Mills Mechanical, C-36 Plumbing Contractor in Fremont, CA
Mills Mechanical operating as a sole owner holds an active California contractor license (CSLB #654655), valid through Sep 30, 2026. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Employers Preferred Insurance Company. The business is based in Fremont, in Alameda County, California.
- License Number
- 654655
- Issued
- Sep 22, 1992
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 10110862
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Employers Preferred Insurance Company
- Policy Number
- EIG538467902
- Effective
- Oct 28, 2025
- Expires
- Oct 28, 2026
This contractor warrants a closer look before contracting:
- License expires in 62 days
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mills Mechanical licensed in California?
Yes. Mills Mechanical holds California Contractors State License Board license number 654655, which is active and in good standing. The license was first issued on September 22, 1992. It is valid through September 30, 2026.
What does Mills Mechanical specialize in?
Mills Mechanical is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Mills Mechanical headquartered?
Mills Mechanical is headquartered at P O Box 2741, Fremont, CA 94536, in Alameda County, California.
Does Mills Mechanical have an active surety bond on file with CSLB?
Yes. Mills Mechanical has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Mills Mechanical carry workers' compensation coverage?
Yes. Mills Mechanical carries active workers' compensation coverage through Employers Preferred Insurance Company.
How do I verify Mills Mechanical's contractor license?
You can verify Mills Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=654655.
- License issuedSep 22, 1992
- Bond activeJan 1, 2023
- WC coverage startsOct 28, 2025
- License expiresSep 30, 2026
- WC expiresOct 28, 2026
- Chou Andrew Chih-Ping#583765Union City·B General Building Contractor
- Broadway Mechanical - Contractors INC#584263Oakland·A General Engineering Contractor
- Dennehy Construction#575925Berkeley·B General Building Contractor
- Tao Mechanical LTD#573397Livermore·C-36 Plumbing Contractor
- Diablo Plumbing INC#570711Pleasanton·C-36 Plumbing Contractor
- Weber A T Plumbing & Mechanical Services INC#562098Alameda·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Lambros Elias Plumbing#561709Castro Valley·C-36 Plumbing Contractor
- Alliance Solar Services#560667Alameda·B General Building Contractor
Working a California job with Mills Mechanical, or chasing an unpaid invoice? These free tools track your mechanics lien deadlines and rights under California Civil Code §§8200–8848.
- California preliminary notice deadline calculatorFind your 20-day deadline and the lien rights at risk.
- Do I need a preliminary notice in California?Answer a few questions to see if the 20-day notice applies.
- Did I lose my California lien rights?Check whether your mechanics lien window has passed.
- Unpaid construction invoice in CaliforniaYour options and deadlines for collecting on a California job.
Own Mills Mechanical? Claim or correct this profile