Oyama Plumbing LLC, C-36 Plumbing Contractor in Montebello, CA
Oyama Plumbing LLC operating as a limited liability holds an active California contractor license (CSLB #758457), valid through Dec 31, 2027. First issued in 1999, the license has been on the CSLB roster for 27 years. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Montebello, in Los Angeles County, California.
- License Number
- 758457
- Issued
- Jan 27, 1999
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Limited Liability
- Surety
- Western Surety Company
- Bond Number
- 67589816
- Effective
- Dec 29, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Nov 19, 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 Oyama Plumbing LLC licensed in California?
Yes. Oyama Plumbing LLC holds California Contractors State License Board license number 758457, which is active and in good standing. The license was first issued on January 27, 1999. It is valid through December 31, 2027.
What does Oyama Plumbing LLC specialize in?
Oyama Plumbing LLC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is Oyama Plumbing LLC headquartered?
Oyama Plumbing LLC is headquartered at 724 N 3rd St, Montebello, CA 90640, in Los Angeles County, California.
Does Oyama Plumbing LLC have an active surety bond on file with CSLB?
Yes. Oyama Plumbing LLC has an active California contractor surety bond filed with Western Surety Company.
Does Oyama Plumbing LLC carry workers' compensation coverage?
Oyama Plumbing LLC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Oyama Plumbing LLC's contractor license?
You can verify Oyama Plumbing LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=758457.
- License issuedJan 27, 1999
- WC coverage startsNov 19, 2025
- Bond activeDec 29, 2025
- License expiresDec 31, 2027
- Yousen Plumbing CO INC#229945Los Angeles·C-36 Plumbing Contractor
- Zaharoni Dan#229820Los Angeles·B General Building Contractor
- Dimit L E Plumbing and Heating CO#243853Pasadena·B General Building Contractor
- Jo-Mi Plumbing & Solar INC#243931Los Angeles·C-20 HVAC Contractor
- United Riggers & Erectors INC#245451Walnut·A General Engineering Contractor
- Allyn Bruce Plumbing INC#245042Pomona·C-16 Fire Protection Contractor
- Seismic Retrofit Specialists#241580Culver City·B General Building Contractor
- Mauerhan Plumbing INC#247119Glendale·C-36 Plumbing Contractor
Working a California job with Oyama Plumbing LLC, 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 Oyama Plumbing LLC? Claim or correct this profile