Allied Trailer Service & Repair Center
Sacramento RV repair shop with a 4.9-star rating, praised for trailer repairs, rewiring, and fair pricing.
California
RV Winterization in California
California winters are mild until they aren't. One wet week in the Sierra foothills or a hard freeze in the Central Valley will find the weak spot in your plumbing, and most of the damage happens while the rig sits. There are 43 winterization shops and mobile techs in the state, rated 4.1 on average. Some handle the whole job, some just blow out lines. Know which one you called.
Discover RV Winterization in California
43Shops listed
4.1★Average Google rating
29Do warranty work
Top-rated shops
Ultimate RV Repair
Anaheim RV repair shop rated 4.9 stars, handling body, chassis, roof and mobile work, including weekend emergencies.
RV Time
RV-only repair shop in Roseville handling insurance claims and general service, rated 4.9 from 39 reviews.
TowTally Camping
Locally owned since 2011, TowTally Camping sells RVs and fixes them, with a 4.8-star rating from 74 Google reviews.
RV Surgeons
Mobile RV repair serving Port Hueneme and Oxnard. Certified tech, 5.0 stars from 25 reviews, handles roof, AC, awning and more.
Elite RV Collision & Repair
Fresno RV shop with 4.7 stars from 110 reviews, praised for friendly staff and quick turnaround.
Camping World - Roseville
Roseville RV dealer with sales, service, and parts, rated 4.5 stars from 1,524 reviews.
GoSilver
Airstream rentals and service in Lathrop with a 4.8-star rating from 16 reviews.
Nomad Mobile RV Tech
Certified mobile RV tech serving Needles, CA, Nov-Apr. Rated 5.0 for fast, honest repairs.
Camping World - Bakersfield
Bakersfield RV dealer with repair shop, 4.4 stars from 1526 reviews, known for helpful staff and fifth wheels.
Camping World - Anderson
Camping World in Anderson, CA is an RV dealer and repair shop with a 4.4-star rating from over 1,500 reviews.
RV Time
Mobile RV repair in Roseville, CA with a 5.0-star rating. Certified techs handle roof, AC, awning, and more.
Freedom Adrift RV Repairs
Certified mobile RV tech serving the Coachella Valley, rated 5.0 from 6 reviews for fast, fair, knowledgeable repairs.
Innovative RV Service
Mobile RV repair serving Southern California since 2002, with 4.5 stars from 31 Google reviews.
Crystal Clear Rv & Boat Detail
Mobile RV and boat detailing in North Hollywood, CA, with a 5.0 Google rating from 4 reviews.
Awnings By Modern
Lower Lake RV repair shop rated 4.4 stars, handling roof, AC and awning work plus parts and warranty service.
Camping World RV Service - Newhall
Camping World RV Service in Newhall handles repairs, maintenance, collision work and warranty jobs for motorhomes, trailers and fifth wheels.
Camping World - Newhall
Newhall RV dealer with 4.2 stars from about 1,500 reviews, selling trailers and fifth wheels with service, parts and financing on site.
Camping World - Fresno
Fresno RV dealer with repair shop, parts counter and a 4.2 rating across 1,456 Google reviews.
Daddy's Boat & RV
Paradise boat and RV shop with a certified RV tech for in-shop and mobile roof, AC and awning work.
Vanaholic - Camper Van Builders
Camper van builder and repair shop in Yorba Linda serving Southern California van owners.
Camping World RV Service - Fresno
Camping World RV Service in Fresno handles roof and awning repairs, warranty work, and maintenance for trailers, fifth wheels, and motorhomes.
Camping World RV Service - Anderson
Camping World RV Service in Anderson handles roof and awning repairs plus maintenance and collision work on travel trailers and motorhomes.
Camping World RV Service - La Mirada
La Mirada RV shop handling repairs, maintenance, collision work and detailing, with warranty and insurance help.
Camping World - La Mirada
La Mirada RV dealer and repair shop with a 4.1 Google rating from 665 reviews, covering parts, service and new and used sales.
What winterizing actually covers
Winterizing in California is less about deep cold and more about the surprise cold. Lines get blown out with air, the water heater and fresh tank get drained, and antifreeze goes where it belongs. Plenty of owners skip it because the forecast looks fine, then a cold snap hits while the RV is stored. All 43 shops here list winterize, and 40 also do roof work. That matters, because a failed roof seal lets water in long before a frozen pipe does. Book the roof check and the line blowout together. Ask what gets drained and what gets bypassed. A shop that rushes the water heater is one you will remember in spring.
Shops, mobile techs, and timing
Eleven of the 43 are mobile, which is the easier call if the rig is already parked for the season and you would rather not tow it. The rest are fixed shops, and some of them are big enough to handle collision and bodywork alongside a simple winterization. If you want it done before the first cold night, call in early fall. The good shops fill up as the weather turns, and the ones with strong reviews, like Allied Trailer Service & Repair Center and Ultimate RV Repair, are not sitting idle. Ask whether the part you need is in stock before you haul the rig over.
When the job turns into a repair
Winterization often uncovers something else. A cracked fitting, a tired water pump, a slide-out that has been sluggish since summer. California has 35 shops that handle slide-outs, 33 for generators, and 23 that do body work, so most problems found during a fall check can be fixed on the same visit. Warranty coverage is the question to settle first. Twenty-nine of the 43 say they do warranty work, but that is not the same as your policy being approved. Get pre-approval before the tech starts, or you may be the one paying for a repair you thought was covered.
RV Winterization by city in California
- Roseville (4)
- Fresno (3)
- Bakersfield (3)
- San Diego (2)
- Colton (2)
- Menifee (2)
- Morgan Hill (2)
- Redding (2)
- Anderson (2)
- Vacaville (2)
Nearby states and other types
RV repair guides
Research & data
Questions people ask
How many winterization providers are in California?
There are 43 shops and mobile techs listed for RV winterization in California, with an average rating of 4.1. Eleven of them are mobile, so they can come to where the rig is stored. The rest are fixed shops, and many handle roof, slide-out, and appliance work too.
How many of them do warranty work?
Twenty-nine of the 43 say they do warranty work. That does not mean every repair is covered under your policy. Call your warranty provider for pre-approval before the work starts, and confirm the shop will bill them directly or whether you pay and get reimbursed.
Should I use a mobile tech or tow the RV to a shop?
If the RV is already parked for the season and the job is a straightforward drain and blowout, mobile is easier and avoids a tow. For anything that turns into roof, body, or slide-out repair, a shop with the right tools is usually the better call. Ask either one what they can actually do on site.
Do I need winterizing in a mild California climate?
Mild winters still bring cold nights, especially inland and at elevation, and a stored RV is more exposed than a driven one. Winterizing also gives a tech a reason to look over the roof and plumbing. Treat it as a fall inspection that happens to include the water system.