Hi-Grade Plumbing, B General Building Contractor in Corona, CA
Hi-Grade Plumbing operating as a limited liability holds California contractor license #1124162, which is currently expired (lapsed Jul 31, 2026) and not valid to contract until it is renewed. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries 2 CSLB classifications: B General Building Contractor and C-36 Plumbing Contractor. Records show an active surety bond on file with Business Alliance Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Corona, in Riverside County, California.
- License Number
- 1124162
- Issued
- Jul 24, 2024
- Status
- CLEAR
- Expires
- Jul 31, 2026
- Entity
- Limited Liability
- Surety
- Business Alliance Insurance Company
- Bond Number
- G150623053158
- Effective
- Jun 23, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 7, 2024
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Hi-Grade Plumbing licensed in California?
Hi-Grade Plumbing previously held California Contractors State License Board license number 1124162, but the license expired on July 31, 2026 and is not currently valid. It was first issued on July 24, 2024.
What does Hi-Grade Plumbing specialize in?
Hi-Grade Plumbing is licensed for 2 CSLB classifications: B General Building Contractor and C-36 Plumbing Contractor.
Where is Hi-Grade Plumbing headquartered?
Hi-Grade Plumbing is headquartered at P O Box 77332, Corona, CA 92879, in Riverside County, California.
Does Hi-Grade Plumbing have an active surety bond on file with CSLB?
Yes. Hi-Grade Plumbing has an active California contractor surety bond filed with Business Alliance Insurance Company.
Does Hi-Grade Plumbing carry workers' compensation coverage?
Hi-Grade Plumbing reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Hi-Grade Plumbing's contractor license?
You can verify Hi-Grade Plumbing's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1124162.
- WC coverage startsApr 7, 2024
- License issuedJul 24, 2024
- Bond activeJun 23, 2025
- License expiredJul 31, 2026
- Inland Mechanical Construction INC#198273Lake Elsinore·A General Engineering Contractor
- B J N Plumbing Contractors#255431Corona·B General Building Contractor
- First Choice Plumbing Heating & Air Conditioning INC#260795Riverside·B General Building Contractor
- Five Engineering & Plumbing INC#252617Canyon Lake·A General Engineering Contractor
- Wrench Brian#285208Riverside·B General Building Contractor
- Watson Company#299810La Quinta·B General Building Contractor
- Aroz David Plumbing & Construction#321292Winchester·B General Building Contractor
- Illig Construction Company#125852Riverside·B General Building Contractor
Working a California job with Hi-Grade 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 Hi-Grade Plumbing? Claim or correct this profile