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The pin is San Diego, not an address. San Diego Trailer Supply works from a vehicle and comes to you.
RV repair shop: you bring the RV · San Diego, California

San Diego Trailer Supply

Call 619.466.1337 sandiegotrailer.com
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San Diego Trailer Supply is an RV repair shop based in San Diego, California, on El Cajon Blvd. You bring the motorhome or trailer to them rather than the other way around.

The shop handles general RV repair, towing equipment installation, electrical work, custom fabrication, suspension and trailer brakes, on motorhomes and trailers. It has been doing this since 1948, and in its own words, "we have built a very experienced team of technicians, ensuring the correct repair of your motor home or trailer."

No trip fee, hourly rate or diagnostic fee is published, so ask about pricing when you call. One thing worth knowing ahead of time: a credit card payment carries a 3% add-on, so bring a debit card or cash if you want to skip it. Hours are Monday through Friday, 8:00 am to 5:00 pm, closed weekends, with several holiday closures listed for 2026.

Google rates the shop 4.7 stars from 265 reviews, and several of those reviews name the same staff repeatedly, Greg, Dave and Omar, which suggests a crew that has been together a while rather than one that turns over every season.

This is a good fit for an owner in the San Diego area who can bring the rig in during weekday hours, especially for towing setup, electrical, suspension or brake work, and who wants a shop with a long track record in the same location rather than a mobile call-out.

Based inSan Diego, California6881 El Cajon Blvd, San Diego, CA 92115
Service areaNot published
Trip fee and hourly rateNot published. Ask on the phone what the trip fee is and whether it includes the first hour.
HoursM-F 8:00 am - 5:00 pmsandiegotrailer.com
Works onElectrical, inverters and convertersChassis, brakes and tiresListed at sandiegotrailer.com. This is what they list, not a limit; ask about anything else.
CertificationsNone named
Listed as“general RV repair; installation of towing equipment; electrical; custom fabrication; suspension; trailer brakes”
Time in business“Since our beginning in 1948”
Google rating4.7 of 5, 265 reviewsGoogle Maps listing, read October 7, 2026

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