Mathews Mechanical, C-36 Plumbing Contractor in Newark, CA
Mathews Mechanical operating as a corporation holds an active California contractor license (CSLB #643197), valid through Feb 28, 2027. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries 3 CSLB classifications: C-36 Plumbing Contractor, C-61/D-21 Machinery and Pumps Contractor, and C-61/D-28 Doors, Gates and Activating Devices Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Travelers Property Casualty Company of America that is no longer active. The business is based in Newark, in Alameda County, California.
- License Number
- 643197
- Issued
- Apr 25, 1992
- Status
- CLEAR
- Expires
- Feb 28, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 24653773
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Travelers Property Casualty Company of America
- Policy Number
- UBB643653A
- Effective
- Aug 1, 2025
- Expires
- Aug 1, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mathews Mechanical licensed in California?
Yes. Mathews Mechanical holds California Contractors State License Board license number 643197, which is active and in good standing. The license was first issued on April 25, 1992. It is valid through February 28, 2027.
What does Mathews Mechanical specialize in?
Mathews Mechanical is licensed for 3 CSLB classifications: C-36 Plumbing Contractor, C-61/D-21 Machinery and Pumps Contractor, and C-61/D-28 Doors, Gates and Activating Devices Contractor.
Where is Mathews Mechanical headquartered?
Mathews Mechanical is headquartered at 7752 Enterprise Dr, Newark, CA 94560, in Alameda County, California.
Does Mathews Mechanical have an active surety bond on file with CSLB?
Yes. Mathews Mechanical has an active California contractor surety bond filed with Western Surety Company.
Does Mathews Mechanical carry workers' compensation coverage?
Mathews Mechanical has a previously-filed workers' compensation policy with Travelers Property Casualty Company of America that is no longer active.
How do I verify Mathews Mechanical's contractor license?
You can verify Mathews Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=643197.
- License issuedApr 25, 1992
- Bond activeJan 1, 2023
- WC coverage startsAug 1, 2025
- WC expiredAug 1, 2026
- License expiresFeb 28, 2027
- D W Nicholson Corporation#68847Hayward·A General Engineering Contractor
- R & S Erection Incorporated#285120San Leandro·C-61/D-21 Machinery and Pumps Contractor
- G S E Construction Company INC#401498Livermore·A General Engineering Contractor
- Dennehy Construction#575925Berkeley·B General Building Contractor
- Lambros Elias Plumbing#561709Castro Valley·C-36 Plumbing Contractor
- Weber A T Plumbing & Mechanical Services INC#562098Alameda·C-4 Boiler, Hot Water Heating and Steam Fitting Contractor
- Boyett Construction INC#557242Hayward·B General Building Contractor
- T V P C INC#560039Hayward·C-36 Plumbing Contractor
Working a California job with Mathews 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 Mathews Mechanical? Claim or correct this profile