Sarco's Lock Works, C-28 Lock and Security Equipment Contractor in San Mateo, CA
Sarco's Lock Works operating as a sole owner holds an active California contractor license (CSLB #931437), valid through Apr 30, 2027. First issued in 2009, the license has been on the CSLB roster for 17 years. It carries a single CSLB classification: C-28 — Lock and Security Equipment 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 San Mateo, in San Mateo County, California.
- License Number
- 931437
- Issued
- Apr 17, 2009
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100067221
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 25, 2025
- 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 Sarco's Lock Works licensed in California?
Yes. Sarco's Lock Works holds California Contractors State License Board license number 931437, which is active and in good standing. The license was first issued on April 17, 2009. It is valid through April 30, 2027.
What does Sarco's Lock Works specialize in?
Sarco's Lock Works is licensed for one CSLB classification: C-28 Lock and Security Equipment Contractor.
Where is Sarco's Lock Works headquartered?
Sarco's Lock Works is headquartered at 306 Baldwin Avenue, San Mateo, CA 94401, in San Mateo County, California.
Does Sarco's Lock Works have an active surety bond on file with CSLB?
Yes. Sarco's Lock Works has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Sarco's Lock Works carry workers' compensation coverage?
Sarco's Lock Works reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sarco's Lock Works's contractor license?
You can verify Sarco's Lock Works's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=931437.
- License issuedApr 17, 2009
- Bond activeJan 1, 2023
- WC coverage startsMar 25, 2025
- License expiresApr 30, 2027
- O'neill Adam Locksmith#1012127South San Francisco·C-28 Lock and Security Equipment Contractor
- Dependable Lock & Hardware#790004Redwood City·C-28 Lock and Security Equipment Contractor
- Steve's Lock & Key#860741Redwood City·C-28 Lock and Security Equipment Contractor
- Millbrae Lock#525474Millbrae·C-28 Lock and Security Equipment Contractor
- Rod Muscio Electrical Contractor#309056Pacifica·C-7 Low Voltage Systems Contractor
Working a California job with Sarco's Lock Works, 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 Sarco's Lock Works? Claim or correct this profile