O'leary Rowan Data Systems, C-7 Low Voltage Systems Contractor in Modesto, CA
O'leary Rowan Data Systems operating as a corporation holds California contractor license #752744, which is currently expired (lapsed Aug 31, 2026) and not valid to contract until it is renewed. First issued in 1998, the license has been on the CSLB roster for 28 years. It carries a single CSLB classification: C-7 — Low Voltage Systems Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Great American Alliance Insurance Company. The business is based in Modesto, in Stanislaus County, California.
- License Number
- 752744
- Issued
- Aug 7, 1998
- Status
- CLEAR
- Expires
- Aug 31, 2026
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100119929
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Great American Alliance Insurance Company
- Policy Number
- WCF45225300
- Effective
- Dec 1, 2025
- Expires
- Dec 1, 2026
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 O'leary Rowan Data Systems licensed in California?
O'leary Rowan Data Systems previously held California Contractors State License Board license number 752744, but the license expired on August 31, 2026 and is not currently valid. It was first issued on August 7, 1998.
What does O'leary Rowan Data Systems specialize in?
O'leary Rowan Data Systems is licensed for one CSLB classification: C-7 Low Voltage Systems Contractor.
Where is O'leary Rowan Data Systems headquartered?
O'leary Rowan Data Systems is headquartered at P O Box 576898, Modesto, CA 95357, in Stanislaus County, California.
Does O'leary Rowan Data Systems have an active surety bond on file with CSLB?
Yes. O'leary Rowan Data Systems has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does O'leary Rowan Data Systems carry workers' compensation coverage?
Yes. O'leary Rowan Data Systems carries active workers' compensation coverage through Great American Alliance Insurance Company.
How do I verify O'leary Rowan Data Systems's contractor license?
You can verify O'leary Rowan Data Systems's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=752744.
- License issuedAug 7, 1998
- Bond activeJan 1, 2023
- WC coverage startsDec 1, 2025
- License expiredAug 31, 2026
- WC expiresDec 1, 2026
- Phone Store & More INC the#751123Hughson·C-7 Low Voltage Systems Contractor
- Advanced Technology Distributors INC#770591Ceres·C-7 Low Voltage Systems Contractor
- Control Systems Services#660263Oakdale·C-7 Low Voltage Systems Contractor
- 1st Security & Sound#719970Modesto·C-7 Low Voltage Systems Contractor
- Automated Equipment#716385Turlock·C-7 Low Voltage Systems Contractor
- Washburn Tele Communication#640447Modesto·C-7 Low Voltage Systems Contractor
- Al's Certified Safe & Lock#556943Salida·C-7 Low Voltage Systems Contractor
- Sparcsound#1008793Modesto·C-7 Low Voltage Systems Contractor
Working a California job with O'leary Rowan Data Systems, 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 O'leary Rowan Data Systems? Claim or correct this profile