California contractor license
ALERT DOOR SERVICE INC
- C-61 / D28 Doors, Gates And Activating Devices
ALERT DOOR SERVICE INC is a C-61 / D28 Doors, Gates And Activating Devices contractor in San Mateo, licensed in California for 45 years (since 1981). As of Oct 22, 2026, the license is active with an expiration date of Jan 31, 2027 on record and a license bond is on file.
ALERT DOOR SERVICE INCC-61 / D28 Doors, Gates And Activating Devices · checked Oct 22, 2026
ActiveLicense number#398025
Licensed sinceJan 15, 1981
Years licensed45 years
Expiration on recordJan 31, 2027
City and countySan Mateo
License bondOn file
ProjectsNone on file
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Source: California Contractors State License Board (CSLB) and City of Los Angeles permit records. Last updated Oct 22, 2026.