Walder Adrian Philipp, C-10 Electrical Contractor in Mentone, CA
Walder Adrian Philipp operating as a sole owner holds an active California contractor license (CSLB #970639), valid through Mar 31, 2028. First issued in 2012, the license has been on the CSLB roster for 14 years. It carries a single CSLB classification: C-10 — Electrical 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 Mentone, in San Bernardino County, California.
- License Number
- 970639
- Issued
- Mar 6, 2012
- Status
- CLEAR
- Expires
- Mar 31, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67379496
- Effective
- Feb 27, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Feb 24, 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 Walder Adrian Philipp licensed in California?
Yes. Walder Adrian Philipp holds California Contractors State License Board license number 970639, which is active and in good standing. The license was first issued on March 6, 2012. It is valid through March 31, 2028.
What does Walder Adrian Philipp specialize in?
Walder Adrian Philipp is licensed for one CSLB classification: C-10 Electrical Contractor.
Where is Walder Adrian Philipp headquartered?
Walder Adrian Philipp is headquartered at 10388 Agate Ave, Mentone, CA 92359, in San Bernardino County, California.
Does Walder Adrian Philipp have an active surety bond on file with CSLB?
Yes. Walder Adrian Philipp has an active California contractor surety bond filed with Western Surety Company.
Does Walder Adrian Philipp carry workers' compensation coverage?
Walder Adrian Philipp reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Walder Adrian Philipp's contractor license?
You can verify Walder Adrian Philipp's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=970639.
- License issuedMar 6, 2012
- Bond activeFeb 27, 2025
- WC coverage startsFeb 24, 2026
- License expiresMar 31, 2028
- Rancho Pacific Electric INC#445897Rancho Cucamonga·C-10 Electrical Contractor
- Cheung Stephen Electric#443258Chino Hills·C-10 Electrical Contractor
- Visual Information Systems Company#442769Chino·B General Building Contractor
- R B Development#449906Big Bear City·A General Engineering Contractor
- Colonial Electric INC#447153Chino·C-10 Electrical Contractor
- Pro Circuit Electrical#455243Newberry Springs·B General Building Contractor
- Southwest Alarm Service#433111Upland·C-7 Low Voltage Systems Contractor
- Evans Electric#432106San Bernardino·C-10 Electrical Contractor
Working a California job with Walder Adrian Philipp, 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 Walder Adrian Philipp? Claim or correct this profile