Mr Unger, B General Building Contractor in South San Francisco, CA
Mr Unger operating as a sole owner holds an active California contractor license (CSLB #1004359), valid through Jun 30, 2027. First issued in 2015, the license has been on the CSLB roster for 11 years. It carries a single CSLB classification: B — General Building 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 South San Francisco, in San Mateo County, California.
- License Number
- 1004359
- Issued
- Jun 11, 2015
- Status
- CLEAR
- Expires
- Jun 30, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67301235
- Effective
- Dec 23, 2024
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 21, 2026
- 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 Mr Unger licensed in California?
Yes. Mr Unger holds California Contractors State License Board license number 1004359, which is active and in good standing. The license was first issued on June 11, 2015. It is valid through June 30, 2027.
What does Mr Unger specialize in?
Mr Unger is licensed for one CSLB classification: B General Building Contractor.
Where is Mr Unger headquartered?
Mr Unger is headquartered at 3748 Palos Verdes Way, South San Francisco, CA 94080, in San Mateo County, California.
Does Mr Unger have an active surety bond on file with CSLB?
Yes. Mr Unger has an active California contractor surety bond filed with Western Surety Company.
Does Mr Unger carry workers' compensation coverage?
Mr Unger reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Mr Unger's contractor license?
You can verify Mr Unger's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1004359.
- License issuedJun 11, 2015
- Bond activeDec 23, 2024
- WC coverage startsJan 21, 2026
- License expiresJun 30, 2027
- G & B Contractors INC#350701Burlingame·B General Building Contractor
- Hy Tech Construction#351851Belmont·B General Building Contractor
- Obayashi Corporation#346881Foster City·A General Engineering Contractor
- R R Drywall#347110Brisbane·B General Building Contractor
- Gardiner Construction#347377Millbrae·B General Building Contractor
- Cavan Construction#355261Belmont·B General Building Contractor
- Saviano Builders#354613Belmont·B General Building Contractor
- Butler W L Construction INC#355353Redwood City·B General Building Contractor
Working a California job with Mr Unger, 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 Mr Unger? Claim or correct this profile