Pro 1 Plumbing, C-36 Plumbing Contractor in Riverside, CA
Pro 1 Plumbing operating as a sole owner holds an active California contractor license (CSLB #1152926), valid through Apr 30, 2028. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Riverside, in Riverside County, California.
- License Number
- 1152926
- Issued
- Apr 2, 2026
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7901212003
- Effective
- Mar 9, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Mar 9, 2026
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Pro 1 Plumbing licensed in California?
Yes. Pro 1 Plumbing holds California Contractors State License Board license number 1152926, which is active and in good standing. The license was first issued on April 2, 2026. It is valid through April 30, 2028.
What does Pro 1 Plumbing specialize in?
Pro 1 Plumbing is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Pro 1 Plumbing headquartered?
Pro 1 Plumbing is headquartered at 15543 Saddleback Rd, Riverside, CA 92506, in Riverside County, California.
Does Pro 1 Plumbing have an active surety bond on file with CSLB?
Yes. Pro 1 Plumbing has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Pro 1 Plumbing carry workers' compensation coverage?
Pro 1 Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Pro 1 Plumbing's contractor license?
You can verify Pro 1 Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1152926.
- Bond activeMar 9, 2026
- WC coverage startsMar 9, 2026
- License issuedApr 2, 2026
- License expiresApr 30, 2028
- Five Engineering & Plumbing INC#252617Canyon Lake·A General Engineering Contractor
- First Choice Plumbing Heating & Air Conditioning INC#260795Riverside·B General Building Contractor
- B J N Plumbing Contractors#255431Corona·B General Building Contractor
- Inland Mechanical Construction INC#198273Lake Elsinore·A General Engineering Contractor
- Heinl Plumbing#210902Riverside·C-36 Plumbing Contractor
- Clark William#366196Murrieta·B General Building Contractor
- Davis Plumbing & Heating INC#365794Perris·A General Engineering Contractor
- Couts Heating & Cooling INC#375584Corona·B General Building Contractor
Working a California job with Pro 1 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 Pro 1 Plumbing? Claim or correct this profile