M2 Engineering LLC, A General Engineering Contractor in Richmond, CA
M2 Engineering LLC operating as a limited liability holds an active California contractor license (CSLB #1146957), valid through Nov 30, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Philadelphia Indemnity Insurance Company and a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active. The business is based in Richmond, in Contra Costa County, California.
- License Number
- 1146957
- Issued
- Nov 26, 2025
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Limited Liability
- Surety
- Philadelphia Indemnity Insurance Company
- Bond Number
- PB10163405109
- Effective
- Oct 29, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- State Compensation Insurance Fund
- Policy Number
- 9395015
- Effective
- Feb 6, 2026
- Expires
- Feb 6, 2027
- Cancelled
- May 6, 2026
This contractor has a compliance issue in its public CSLB record:
- Workers' comp cancelled
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is M2 Engineering LLC licensed in California?
Yes. M2 Engineering LLC holds California Contractors State License Board license number 1146957, which is active and in good standing. The license was first issued on November 26, 2025. It is valid through November 30, 2027.
What does M2 Engineering LLC specialize in?
M2 Engineering LLC is licensed for one CSLB classification: A General Engineering Contractor.
Where is M2 Engineering LLC headquartered?
M2 Engineering LLC is headquartered at 425 Santa Fe Avenue, Richmond, CA 94801, in Contra Costa County, California.
Does M2 Engineering LLC have an active surety bond on file with CSLB?
Yes. M2 Engineering LLC has an active California contractor surety bond filed with Philadelphia Indemnity Insurance Company.
Does M2 Engineering LLC carry workers' compensation coverage?
M2 Engineering LLC has a previously-filed workers' compensation policy with State Compensation Insurance Fund that is no longer active.
How do I verify M2 Engineering LLC's contractor license?
You can verify M2 Engineering LLC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146957.
- Bond activeOct 29, 2025
- License issuedNov 26, 2025
- WC coverage startsFeb 6, 2026
- WC cancelledMay 6, 2026
- WC expiresFeb 6, 2027
- License expiresNov 30, 2027
- Overaa C & CO#106793Richmond·A General Engineering Contractor
- Swinerton Builders#92Concord·A General Engineering Contractor
- Bay Cities Paving & Grading INC#238650Concord·A General Engineering Contractor
- Lescure Company INC#248204Concord·A General Engineering Contractor
- Busby James J#255487Concord·A General Engineering Contractor
- Seeno Albert D Construction CO#260260Concord·A General Engineering Contractor
- Independent Construction Company#215611Concord·A General Engineering Contractor
- Lyons W E Construction CO#180607Walnut Creek·A General Engineering Contractor
Working a California job with M2 Engineering 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 M2 Engineering LLC? Claim or correct this profile