Warren M S Construction CO, B General Building Contractor in Pacifica, CA
Warren M S Construction CO operating as a sole owner holds an active California contractor license (CSLB #570139), valid through Jun 30, 2027. First issued in 1989, the license has been on the CSLB roster for 37 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Hudson Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Pacifica, in San Mateo County, California.
- License Number
- 570139
- Issued
- Jun 8, 1989
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30119364
- Effective
- Apr 20, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jun 3, 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 Warren M S Construction CO licensed in California?
Yes. Warren M S Construction CO holds California Contractors State License Board license number 570139, which is active and in good standing. The license was first issued on June 8, 1989. It is valid through June 30, 2027.
What does Warren M S Construction CO specialize in?
Warren M S Construction CO is licensed for one CSLB classification: B General Building Contractor.
Where is Warren M S Construction CO headquartered?
Warren M S Construction CO is headquartered at 1120 Fernandez Way, Pacifica, CA 94044, in San Mateo County, California.
Does Warren M S Construction CO have an active surety bond on file with CSLB?
Yes. Warren M S Construction CO has an active California contractor surety bond filed with Hudson Insurance Company.
Does Warren M S Construction CO carry workers' compensation coverage?
Warren M S Construction CO reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Warren M S Construction CO's contractor license?
You can verify Warren M S Construction CO's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=570139.
- License issuedJun 8, 1989
- Bond activeApr 20, 2023
- WC coverage startsJun 3, 2025
- License expiresJun 30, 2027
- O'keeffe's INC#101981Brisbane·B General Building Contractor
- Huettig & Schromm INC#129060Menlo Park·A General Engineering Contractor
- Tucker Jeffrey R Const#151516San Carlos·B General Building Contractor
- Lindstrom CO#244500San Mateo·B General Building Contractor
- Bach Construction INC#229727Burlingame·B General Building Contractor
- Beltramo Daniel A#232883Atherton·B General Building Contractor
- Culligan Management Company INC#254368San Mateo·B General Building Contractor
- Cawc Waterproofing & Restoration#255484San Mateo·B General Building Contractor
Working a California job with Warren M S Construction CO, 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 Warren M S Construction CO? Claim or correct this profile