J&m Contra Costa Rooter Plumbing LLC, C-36 Plumbing Contractor in Concord, CA
J&m Contra Costa Rooter Plumbing LLC operating as a limited liability holds an active California contractor license (CSLB #1147443), valid through Dec 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: C-36 — Plumbing Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Continental Casualty Company. The business is based in Concord, in Contra Costa County, California.
- License Number
- 1147443
- Issued
- Dec 10, 2025
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Limited Liability
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100990638
- Effective
- Sep 2, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Continental Casualty Company
- Policy Number
- 8035715525
- Effective
- Nov 18, 2025
- Expires
- Nov 18, 2026
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 J&m Contra Costa Rooter Plumbing LLC licensed in California?
Yes. J&m Contra Costa Rooter Plumbing LLC holds California Contractors State License Board license number 1147443, which is active and in good standing. The license was first issued on December 10, 2025. It is valid through December 31, 2027.
What does J&m Contra Costa Rooter Plumbing LLC specialize in?
J&m Contra Costa Rooter Plumbing LLC is licensed for one CSLB classification: C-36 Plumbing Contractor.
Where is J&m Contra Costa Rooter Plumbing LLC headquartered?
J&m Contra Costa Rooter Plumbing LLC is headquartered at 1740 Belmont Road, Concord, CA 94520, in Contra Costa County, California.
Does J&m Contra Costa Rooter Plumbing LLC have an active surety bond on file with CSLB?
Yes. J&m Contra Costa Rooter Plumbing LLC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does J&m Contra Costa Rooter Plumbing LLC carry workers' compensation coverage?
Yes. J&m Contra Costa Rooter Plumbing LLC carries active workers' compensation coverage through Continental Casualty Company.
How do I verify J&m Contra Costa Rooter Plumbing LLC's contractor license?
You can verify J&m Contra Costa Rooter Plumbing LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1147443.
- Bond activeSep 2, 2025
- WC coverage startsNov 18, 2025
- License issuedDec 10, 2025
- WC expiresNov 18, 2026
- License expiresDec 31, 2027
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Martinez Sheet Metal INC#222277Martinez·B General Building Contractor
- Olivero Plumbing Company INC#162170El Cerrito·C-36 Plumbing Contractor
- Phillips Plumbing#376637El Cerrito·C-36 Plumbing Contractor
- Kurt's Plumbing & Heating#329497Brentwood·C-20 HVAC Contractor
- R F Clark of San Francisco#354264Lafayette·B General Building Contractor
- Johnson Mechanical LLC#357683Danville·C-36 Plumbing Contractor
- Contra Costa Plumbing#303993Clayton·C-10 Electrical Contractor
Working a California job with J&m Contra Costa Rooter 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 J&m Contra Costa Rooter Plumbing LLC? Claim or correct this profile