Oak Hills Underground INC, A General Engineering Contractor in Oak Hills, CA
Oak Hills Underground INC operating as a corporation holds California contractor license #882975, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 2006, the license has been on the CSLB roster for 20 years. It carries 2 CSLB classifications: A General Engineering Contractor and C-10 Electrical Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Oak Hills, in San Bernardino County, California.
- License Number
- 882975
- Issued
- Aug 19, 2006
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Corporation
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101755635
- Effective
- Jan 17, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 30, 2025
- 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 Oak Hills Underground INC licensed in California?
Oak Hills Underground INC previously held California Contractors State License Board license number 882975, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 19, 2006.
What does Oak Hills Underground INC specialize in?
Oak Hills Underground INC is licensed for 2 CSLB classifications: A General Engineering Contractor and C-10 Electrical Contractor.
Where is Oak Hills Underground INC headquartered?
Oak Hills Underground INC is headquartered at 6473 Joshua Road, Oak Hills, CA 92344, in San Bernardino County, California.
Does Oak Hills Underground INC have an active surety bond on file with CSLB?
Yes. Oak Hills Underground INC has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Oak Hills Underground INC carry workers' compensation coverage?
Oak Hills Underground INC reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Oak Hills Underground INC's contractor license?
You can verify Oak Hills Underground INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=882975.
- License issuedAug 19, 2006
- WC coverage startsJul 30, 2025
- Bond activeJan 17, 2026
- License expiredAug 31, 2026
- Hampton Tedder Electric Company#288589Montclair·A General Engineering Contractor
- Baldy Electric INC#318457Rancho Cucamonga·A General Engineering Contractor
- Gregg Electric INC#201042Ontario·A General Engineering Contractor
- J R N Engineering#357442Rancho Cucamonga·A General Engineering Contractor
- Allied Electrical and General Construction#350918Upland·B General Building Contractor
- Hall George Electric#351837Rancho Cucamonga·C-10 Electrical Contractor
- Cooley Construction INC#348038Hesperia·A General Engineering Contractor
- Zafirov Spiro A#347683Yucca Valley·B General Building Contractor
Working a California job with Oak Hills Underground INC, 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 Oak Hills Underground INC? Claim or correct this profile