Uncle Mark Construction, B General Building Contractor in Los Osos, CA
Uncle Mark Construction operating as a sole owner holds an active California contractor license (CSLB #1060484), valid through Nov 30, 2027. First issued in 2019, the license has been on the CSLB roster for 7 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Hudson Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Los Osos, in San Luis Obispo County, California.
- License Number
- 1060484
- Issued
- Nov 19, 2019
- Status
- CLEAR
- Expires
- Nov 30, 2027
- Entity
- Sole Owner
- Surety
- Hudson Insurance Company
- Bond Number
- 30039167
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Oct 8, 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 Uncle Mark Construction licensed in California?
Yes. Uncle Mark Construction holds California Contractors State License Board license number 1060484, which is active and in good standing. The license was first issued on November 19, 2019. It is valid through November 30, 2027.
What does Uncle Mark Construction specialize in?
Uncle Mark Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Uncle Mark Construction headquartered?
Uncle Mark Construction is headquartered at 1657 9th Street, Los Osos, CA 93402, in San Luis Obispo County, California.
Does Uncle Mark Construction have an active surety bond on file with CSLB?
Yes. Uncle Mark Construction has an active California contractor surety bond filed with Hudson Insurance Company.
Does Uncle Mark Construction carry workers' compensation coverage?
Uncle Mark Construction reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Uncle Mark Construction's contractor license?
You can verify Uncle Mark Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1060484.
- License issuedNov 19, 2019
- Bond activeJan 1, 2023
- WC coverage startsOct 8, 2025
- License expiresNov 30, 2027
- Lorenz Construction#123854Cambria·B General Building Contractor
- San Luis Butane Distributors#158902Paso Robles·A General Engineering Contractor
- Handley Jerry#238981Paso Robles·B General Building Contractor
- Quaglino Roofing#254025San Luis Obispo·B General Building Contractor
- Schiro Frank & Son Incorporated#246325Arroyo Grande·B General Building Contractor
- Pratt Beverley L#274974San Luis Obispo·B General Building Contractor
- R Burke Corporation#264193San Luis Obispo·A General Engineering Contractor
- Newdoll R H Construction INC#289870Nipomo·B General Building Contractor
Working a California job with Uncle Mark Construction, 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 Uncle Mark Construction? Claim or correct this profile