Duffy Greg Construction, B General Building Contractor in Oak Hills, CA
Duffy Greg Construction operating as a sole owner holds an active California contractor license (CSLB #944267), valid through Mar 31, 2028. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries a single CSLB classification: B — General Building Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and active workers' compensation coverage from Norguard Insurance Company. The business is based in Oak Hills, in San Bernardino County, California.
- License Number
- 944267
- Issued
- Mar 10, 2010
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800210754
- Effective
- Nov 24, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Norguard Insurance Company
- Policy Number
- GRWC752476
- Effective
- Apr 9, 2026
- Expires
- Apr 9, 2027
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Duffy Greg Construction licensed in California?
Yes. Duffy Greg Construction holds California Contractors State License Board license number 944267, which is active and in good standing. The license was first issued on March 10, 2010. It is valid through March 31, 2028.
What does Duffy Greg Construction specialize in?
Duffy Greg Construction is licensed for one CSLB classification: B General Building Contractor.
Where is Duffy Greg Construction headquartered?
Duffy Greg Construction is headquartered at 12420 Meadowlark Ave, Oak Hills, CA 92344, in San Bernardino County, California.
Does Duffy Greg Construction have an active surety bond on file with CSLB?
Yes. Duffy Greg Construction has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Duffy Greg Construction carry workers' compensation coverage?
Yes. Duffy Greg Construction carries active workers' compensation coverage through Norguard Insurance Company.
How do I verify Duffy Greg Construction's contractor license?
You can verify Duffy Greg Construction's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=944267.
- License issuedMar 10, 2010
- Bond activeNov 24, 2025
- WC coverage startsApr 9, 2026
- WC expiresApr 9, 2027
- License expiresMar 31, 2028
- Braeger Construction INC#290219Upland·A General Engineering Contractor
- Gomes H John JR#294227Cedar Glen·B General Building Contractor
- L T Design & Construction#292255Landers·B General Building Contractor
- Gott W D Construction CO#279688Upland·A General Engineering Contractor
- Theilacker Rudolf Carl Contractor#279711Ontario·A General Engineering Contractor
- Montgomery Hardware CO#285746Rancho Cucamonga·B General Building Contractor
- Farley Construction#277601Chino Hills·B General Building Contractor
- Grecco's Construction#266216Apple Valley·B General Building Contractor
Working a California job with Duffy Greg 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 Duffy Greg Construction? Claim or correct this profile