G & W Plumbing, C-36 Plumbing Contractor in Northridge, CA
G & W Plumbing operating as a sole owner holds an active California contractor license (CSLB #638913), valid through Mar 31, 2028. First issued in 1992, the license has been on the CSLB roster for 34 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Northridge, in Los Angeles County, California.
- License Number
- 638913
- Issued
- Mar 5, 1992
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800230025
- Effective
- Jan 31, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 20, 2026
- 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 G & W Plumbing licensed in California?
Yes. G & W Plumbing holds California Contractors State License Board license number 638913, which is active and in good standing. The license was first issued on March 5, 1992. It is valid through March 31, 2028.
What does G & W Plumbing specialize in?
G & W Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is G & W Plumbing headquartered?
G & W Plumbing is headquartered at 8420 Calvin Avenue, Northridge, CA 91324, in Los Angeles County, California.
Does G & W Plumbing have an active surety bond on file with CSLB?
Yes. G & W Plumbing has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does G & W Plumbing carry workers' compensation coverage?
G & W Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify G & W Plumbing's contractor license?
You can verify G & W Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=638913.
- License issuedMar 5, 1992
- Bond activeJan 31, 2026
- WC coverage startsMar 20, 2026
- License expiresMar 31, 2028
- Darrow Heating and Air Conditioning CORP#114301North Hollywood·B General Building Contractor
- G E M Plumbing INC#111308Sierra Madre·C-20 HVAC Contractor
- West B Plumbing#121703North Hollywood·C-36 Plumbing Contractor
- Acco Engineered Systems#120696Pasadena·A General Engineering Contractor
- Hoskins Plumbing#91761Whittier·C-20 HVAC Contractor
- Sheflo Plumbing CO#91479Agoura Hills·C-20 HVAC Contractor
- United Riggers & Erectors INC#245451Walnut·A General Engineering Contractor
- Allyn Bruce Plumbing INC#245042Pomona·C-16 Fire Protection Contractor
Working a California job with G & W Plumbing, 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 G & W Plumbing? Claim or correct this profile