Mulligan Karl, B General Building Contractor in El Cerrito, CA
Mulligan Karl operating as a sole owner holds an active California contractor license (CSLB #798405), valid through Aug 31, 2027. First issued in 2001, the license has been on the CSLB roster for 25 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Jet Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in El Cerrito, in Contra Costa County, California.
- License Number
- 798405
- Issued
- Aug 15, 2001
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Sole Owner
- Surety
- Jet Insurance Company
- Bond Number
- BX0075778
- Effective
- Nov 17, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 28, 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 Mulligan Karl licensed in California?
Yes. Mulligan Karl holds California Contractors State License Board license number 798405, which is active and in good standing. The license was first issued on August 15, 2001. It is valid through August 31, 2027.
What does Mulligan Karl specialize in?
Mulligan Karl is licensed for one CSLB classification: B General Building Contractor.
Where is Mulligan Karl headquartered?
Mulligan Karl is headquartered at 5339 Poinsett Avenue, El Cerrito, CA 94530, in Contra Costa County, California.
Does Mulligan Karl have an active surety bond on file with CSLB?
Yes. Mulligan Karl has an active California contractor surety bond filed with Jet Insurance Company.
Does Mulligan Karl carry workers' compensation coverage?
Mulligan Karl reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mulligan Karl's contractor license?
You can verify Mulligan Karl's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=798405.
- License issuedAug 15, 2001
- WC coverage startsAug 28, 2025
- Bond activeNov 17, 2025
- License expiresAug 31, 2027
- Wooldridge Construction CO INC#273105Pleasant Hill·B General Building Contractor
- Anza Engineering CORP#273213Brentwood·A General Engineering Contractor
- Oliver & Company INC#276682Richmond·B General Building Contractor
- White L H General Building Contractor#275246Lafayette·B General Building Contractor
- Mazzamuto Construction#266149Martinez·B General Building Contractor
- Mka Constructors INC#262916Walnut Creek·B General Building Contractor
- Connolly Heating & Air Conditioning#268327Pacheco·B General Building Contractor
- Stewart Heating & Air INC#290747Pittsburg·B General Building Contractor
Working a California job with Mulligan Karl, 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 Mulligan Karl? Claim or correct this profile