North West Waterproofing INC, C-61/D-65 Weatherization and Energy Conservation Contractor in South San Francisco, CA
North West Waterproofing INC operating as a corporation holds an active California contractor license (CSLB #964488), valid through Dec 31, 2027. First issued in 2011, the license has been on the CSLB roster for 15 years. It carries a single CSLB classification: C-61/D-65 — Weatherization and Energy Conservation Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active. The business is based in South San Francisco, in San Mateo County, California.
- License Number
- 964488
- Issued
- Aug 15, 2011
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 66861691
- Effective
- Dec 15, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Clear Spring Property and Casualty Company
- Policy Number
- CWC02289702
- Effective
- Jul 31, 2025
- Expires
- Jul 31, 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 North West Waterproofing INC licensed in California?
Yes. North West Waterproofing INC holds California Contractors State License Board license number 964488, which is active and in good standing. The license was first issued on August 15, 2011. It is valid through December 31, 2027.
What does North West Waterproofing INC specialize in?
North West Waterproofing INC is licensed for one CSLB classification: C-61/D-65 Weatherization and Energy Conservation Contractor.
Where is North West Waterproofing INC headquartered?
North West Waterproofing INC is headquartered at 858 Commercial Ave, South San Francisco, CA 94080, in San Mateo County, California.
Does North West Waterproofing INC have an active surety bond on file with CSLB?
Yes. North West Waterproofing INC has an active California contractor surety bond filed with Western Surety Company.
Does North West Waterproofing INC carry workers' compensation coverage?
North West Waterproofing INC has a previously-filed workers' compensation policy with Clear Spring Property and Casualty Company that is no longer active.
How do I verify North West Waterproofing INC's contractor license?
You can verify North West Waterproofing INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=964488.
- License issuedAug 15, 2011
- Bond activeDec 15, 2023
- WC coverage startsJul 31, 2025
- WC expiredJul 31, 2026
- License expiresDec 31, 2027
Working a California job with North West Waterproofing INC, 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 North West Waterproofing INC? Claim or correct this profile