Conzelman Mark, B General Building Contractor in Irvine, CA
Conzelman Mark operating as a sole owner holds California contractor license #337784, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 1977, the license has been on the CSLB roster for 49 years. It carries 2 CSLB classifications: B General Building Contractor and C-35 Lathing and Plastering Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Irvine, in Orange County, California.
- License Number
- 337784
- Issued
- Jul 1, 1977
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100010045
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 8, 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 Conzelman Mark licensed in California?
Conzelman Mark previously held California Contractors State License Board license number 337784, but the license expired on August 31, 2026 and is not currently valid. It was first issued on July 1, 1977.
What does Conzelman Mark specialize in?
Conzelman Mark is licensed for 2 CSLB classifications: B General Building Contractor and C-35 Lathing and Plastering Contractor.
Where is Conzelman Mark headquartered?
Conzelman Mark is headquartered at 2151 Michelson Dr Ste 140, Irvine, CA 92612, in Orange County, California.
Does Conzelman Mark have an active surety bond on file with CSLB?
Yes. Conzelman Mark has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Conzelman Mark carry workers' compensation coverage?
Conzelman Mark reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Conzelman Mark's contractor license?
You can verify Conzelman Mark's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=337784.
- License issuedJul 1, 1977
- Bond activeJan 1, 2023
- WC coverage startsJul 8, 2024
- License expiredAug 31, 2026
- Raymond George M CO#104881Orange·B General Building Contractor
- Raymond-Southern California INC#243645Orange·B General Building Contractor
- Magee Enterprises Contractors#274171Tustin·B General Building Contractor
- Shaw & Sons INC#274144Costa Mesa·B General Building Contractor
- Denco Construction#273365Laguna Beach·B General Building Contractor
- J Thompson Electric INC#275878Fullerton·B General Building Contractor
- Hatch Hospitality Supply#274980Costa Mesa·B General Building Contractor
- Pallmar and Company#277566Orange·B General Building Contractor
Working a California job with Conzelman Mark, 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 Conzelman Mark? Claim or correct this profile