Shaw Systems, A General Engineering Contractor in San Francisco, CA
Shaw Systems operating as a sole owner holds an active California contractor license (CSLB #335399), valid through Dec 31, 2027. First issued in 1977, the license has been on the CSLB roster for 49 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Wesco Insurance Company. The business is based in San Francisco, in San Francisco County, California.
- License Number
- 335399
- Issued
- May 3, 1977
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800224541
- Effective
- Jan 8, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Wesco Insurance Company
- Policy Number
- WWC3822259
- Effective
- Dec 17, 2025
- Expires
- Dec 17, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Shaw Systems licensed in California?
Yes. Shaw Systems holds California Contractors State License Board license number 335399, which is active and in good standing. The license was first issued on May 3, 1977. It is valid through December 31, 2027.
What does Shaw Systems specialize in?
Shaw Systems is licensed for one CSLB classification: A General Engineering Contractor.
Where is Shaw Systems headquartered?
Shaw Systems is headquartered at 242 Sweeny Street, San Francisco, CA 94134, in San Francisco County, California.
Does Shaw Systems have an active surety bond on file with CSLB?
Yes. Shaw Systems has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Shaw Systems carry workers' compensation coverage?
Yes. Shaw Systems carries active workers' compensation coverage through Wesco Insurance Company.
How do I verify Shaw Systems's contractor license?
You can verify Shaw Systems's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=335399.
- License issuedMay 3, 1977
- WC coverage startsDec 17, 2025
- Bond activeJan 8, 2026
- WC expiresDec 17, 2026
- License expiresDec 31, 2027
- Ng Tony Plumbing CO#329705San Francisco·A General Engineering Contractor
- Chiang Robert#365642San Francisco·A General Engineering Contractor
- Watertight Restoration INC#380124San Francisco·A General Engineering Contractor
- Pump Repair Service CO#263997San Francisco·A General Engineering Contractor
- Bayview Construction Engineers#292388San Francisco·A General Engineering Contractor
- Cahill Contractors INC#300647San Francisco·A General Engineering Contractor
- Lee Hawk N Design & Construction Company#324708San Francisco·A General Engineering Contractor
- Esquivel Grading & Paving INC#463185San Francisco·A General Engineering Contractor
Working a California job with Shaw Systems, 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 Shaw Systems? Claim or correct this profile