Alert Door Service Inc.

Nov 7, 2025 11:56 AM

925 North Amphlett Boulevard
San Mateo, CA (California) 94401-1105
(650) 342-7****

Business Details

35 years Since 1980 Jim Lenardon (- Owner) (650) 288-1852 (Primary Phone)

Opening Hours:

Daily Hours
Monday-Friday	8:00AM - 5:00PM

Products:

Garage Doors & Operators, Sales, Service, Receivers

Services:

Springs Repaired

Brands:

Residential, Commercial

Special Hours:

24-Hour Service, Emergency Services

General Content:

Alert Door, Family Owned & Operated Since 1980, Sales, Service, Service Inc., Since 1980, Visit Our Showroom, Commercial, Residential

Credit Rating:

Excellent

Sales Volume:

1M - 2M

Employee Size Range:

5-9

Franchise/Chain:

Standalone

Number of PC's:

2-9

Square Footage:

10000-39999

Fortune 500:

Additional Categories

Alert Door Service Inc. is also listed under the following categories: Standard Yellow Pages Heading (SYPH) Categories:

Doors & Door Frames
Doors & Frames Commercial & Industrial
Door Overhead
Garage Doors & Operating Devices
Remodeling & Repairing Building Contractors

North American Industry Classification System (NAICS) Categories:

Residential Remodelers > Single-Family Home Remodeling & Repair Construction
Home Centers > Garage, Door & Window Products > Door Overhead
Home Centers > Garage, Door & Window Products > Doors & Door Frames
Home Centers > Garage, Door & Window Products > Garage Doors & Operating Devices

Standard Industry Classification (SIC) Categories:

General Contractors - Single-Family Houses > Single-Family Home Remodeling & Repair Construction > Remodeling & Repairing Building Contractors
Lumber & Other Building Materials > Garage, Door & Window Products > Door Overhead
Lumber & Other Building Materials > Garage, Door & Window Products > Doors & Door Frames
Lumber & Other Building Materials > Garage, Door & Window Products > Garage Doors & Operating Devices

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