California contractor license
MARK D IRWIN
- B General Building
- C46 Solar
MARK D IRWIN is a B General Building and C46 Solar contractor in Agoura Hills, Los Angeles County, licensed in California for 44 years (since 1982). As of Jun 23, 2026, the license is active with an expiration date of Aug 31, 2026 on record and a license bond is on file.
MARK D IRWINB General Building · C46 Solar · checked Jun 23, 2026
ActiveLicense number#426790
Licensed sinceAug 20, 1982
Years licensed44 years
Expiration on recordAug 31, 2026
City and countyAgoura Hills, Los Angeles County
License bondOn file
ProjectsNone on file
Full record
Insurance, workers' comp, violations and permits.
Workers' comp, insurance policies, violations and full permit historyFree with your email. Shown on this page after you unlock.
LockedWorkers' compUnlock to view
Insurance policiesUnlock to view
Violations, complaints and disciplinary actionsUnlock to view
Full permit historyUnlock to view
5 free unlocks left today
Is this your business? Claim it free.
Claim your free profile to help keep your business details accurate. We'll verify you first.
Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Jun 23, 2026.