Since 1961

About Us

Established in 1961.

San Mateo Electronics has been suppling the Silicon Valley with common & hard to find parts. Whether you're a hobbiest or professional installer/repairman we have the tools and parts to get your job done.

Since 1961 we have been your One-Stop-Shop for all your electronics accessory needs.

Most people think of us as what Radio Shack, and Fry's Electronics used to be...

People looking for : Haltek, HSC Electronic Supply, Halted Specialties, Excess Solution, Minuteman Electronics, Al Lasher have often found what they are looking for, here at San Mateo Electronic Supply.

We are a Wholesale & Retail store. We carry Home Theater, computer, and networking installation supplies and tools.

Flat panel wall mounts, ceiling mounts, HDMI, DVI, VGA, Svideo, component, composite, Toslink, Digital, Analog, display port, USB: cables, wire, converters, splitters, switch boxes, custom wall plates, security camera systems, LED lighting, project kits, soldering tools, DIY, vacuum tubes, relays, replacement speakers, speaker wire, coax cable, Audio / Video Accessories, cat5, cat6, cat6A, cat7, cat8, phone, phono, plugs, jacks, batteries, and Much More...

As well as conventional passive / active electronic parts and test equipment.


San Mateo Electronics, Inc.
dba: San Mateo Electronic Supply
16 West 42nd Ave.
San Mateo CA 94403
650-341-6699 Fax
Store Hours
Monday-Friday 8:00am - 5:00pm
Saturday 9:30am - 4:00pm
Sunday Closed