California contractor license
MATTSON PLUMBING COMPANY
- C36 Plumbing
MATTSON PLUMBING COMPANY is a C36 Plumbing contractor in Discovery Bay, Contra Costa County, licensed in California for 7 years (since 2018). As of Nov 12, 2025, the license is active with an expiration date of Dec 31, 2026 on record and a license bond is on file.
MATTSON PLUMBING COMPANYC36 Plumbing · checked Nov 12, 2025
ActiveLicense number#1048374
Licensed sinceDec 28, 2018
Years licensed7 years
Expiration on recordDec 31, 2026
City and countyDiscovery Bay, Contra Costa 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 Nov 12, 2025.