RV Repair & Service for St. Peters, MO
St. Peters is one of the largest cities in St. Charles County with over 55,000 residents. Lakeside 370 Park, the Rec-Plex, and quick access to I-70 make it a hub for active families — many of whom own travel trailers, fifth wheels, and motorhomes. The St. Peters area also has Riverside Landing RV Park nearby and easy access to campgrounds along the Missouri River.
3R RV Service Center is about 35 minutes west of St. Peters in Union, MO. We're closer than most shops in the metro, and you can get here without hauling your rig through city traffic. Straight shot on I-70 West to Highway 47 South.
St. Charles County RV Market
St. Charles County is one of the highest-income counties in Missouri, and the RV ownership rate reflects that. New fifth wheels, Class A coaches, and high-end travel trailers are everywhere in St. Peters, O'Fallon, and Wentzville. These rigs deserve factory-level service — and that's exactly what our RVTI Level 4 Master Certified technicians deliver. We're factory authorized for Newmar, Tiffin, and Keystone.
What We Do
- Roof repair and full replacement — all materials
- Water damage restoration — structural rebuilds, floor replacement
- Electrical diagnostics and rewiring — 12V, 120V, inverter, solar
- Slide-out repair, alignment, and seal replacement
- Brakes and suspension — trailers and 5th wheels
- Onan generator service — certified
- Aqua-Hot heating — certified
- Appliance repair — refrigerators, furnaces, water heaters, A/C
- Plumbing system repair
- Awning repair and replacement
- Complete RV renovation and remodels
- Horse trailer repair and service
- Full parts department — OEM and aftermarket
- Secure RV storage
Factory Authorized
Newmar, Tiffin, Keystone. All brands serviced.
Getting Here from St. Peters
I-70 West to Highway 47 South into Union. About 35 minutes. 7819 Highway 47 S, Union, MO 63084.
Call us at (636) 583-2244 or Book an Appointment online.