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The pin is Middletown, not an address. South Mountain RV Inspections & Service LLC works from a vehicle and comes to you.
RV inspector · Middletown, Maryland

South Mountain RV Inspections & Service LLC

Call (240) 397-4982 southmountainrv.com
Publishes ratesThis business prints its trip fee or hourly rate on its own website. We show the figure and the date we read it.What do these terms mean? RVTAA (RV Technician Association of America)A membership body with three credentials: Registered, Certified and Master Certified RV Service Technician. Closely tied to the National RV Training Academy.What do these terms mean?NRVTA (National RV Training Academy)A training school in Athens, Texas. Graduates usually go on to RVTAA technician or NRVIA inspector credentials; the academy itself is the school, not the certifying body.What do these terms mean?NRVIA Certified RV InspectorAn inspector credential, not a repair credential. NRVIA inspectors follow published standards of practice for pre-purchase RV inspections.What do these terms mean?
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South Mountain RV Inspections & Service LLC is an RV inspection company that also does mobile repair and maintenance. It comes to you, and its mobile service brings seasonal prep and sudden repairs "right to you." Chris Henderson started it, and no home town is posted. It covers the Mid-Atlantic region: Maryland, Virginia, West Virginia, Delaware and Pennsylvania.

It inspects Class A, B and C motorhomes, travel trailers, 5th wheel trailers and horse trailers with living quarters. Its inspections cover air conditioners, refrigerators, water heaters, slide-outs, roofs and generators, and it runs fluid analysis on oil, coolant and transmission fluid. Its mobile repairs cover tire blowouts, leaky roofs, loss of battery power and a broken water heater. It also winterizes and de-winterizes RVs.

An inspection is $750-$1250 for a Class A, $500-$750 for a Class B, $600-$1000 for a Class C or 5th wheel, $500-$900 for a travel trailer and $400-$600 for a horse trailer. Repairs and maintenance are $100/hour, and winterizing or de-winterizing is $150 each. Beyond 50 miles it charges 75¢/mile. It does not publish a trip fee for closer jobs, a diagnostic fee or a warranty, and no hours are posted. Ask about the trip fee and hours when you call.

Chris Henderson is a Certified RV Inspector and Registered RV Technician, and its About page shows RVTAA, NRVTA and NRVIA badges. It operates with "NRVIA certified inspectors," which matters before you buy a used rig, because an inspection covers the roof, slide-outs and engine before you sign. A full inspection "usually takes the entire day." Google gives it 5 stars from 3 reviews.

This is a good fit for a traveler in those five states with a tire, battery or leaky roof problem who wants the work done where the RV sits, or an owner there who wants seasonal prep.

Based inMiddletown, MarylandMobile: comes to the RV
Service area“operates in the Mid-Atlantic region. Including: Maryland, Virginia, West Virginia, Delaware, and Pennsylvania. · Outside 50 mile range”southmountainrv.com
Other towns it servesFairfield, PA, Fayetteville, PA, Hanover, PA, Broad Run, VA, Herndon, VA, Manassas, VA, Sterling, VA, Harpers Ferry, WV, Inwood, WV, Martinsburg, WVfrom its own service-area pages
Part of the yearAnd when winter is over, we will gladly return and get you setup to return to the road and warmer adventures.southmountainrv.com
Trip fee and hourly rateFlat prices per serviceRate card at southmountainrv.com, read October 30, 2026. Rates change; confirm by phone.Listed as: “For most repairs and maintenance; $100/hour” “- Per-unit prices: Class A; $750-$1250; Class B; $500-$750; Class C; $600-$1000; 5th Wheel; $600-$1000; Travel Trailers; $500-$900; Horse trailers; $400-$600; Winterize; $150; De-winterize; $150; Black tank issues; $150/hour”
HoursNot published
Works onAir conditioningRoofs and sealantsAwningsRefrigeratorsWater heatersGeneratorsSlide-outs and levelingElectrical, inverters and convertersPlumbing and water systemsFurnaces and heatingBatteries and solarPropane and gas systemsAppliancesInspectionsDetailing and washingChassis, brakes and tiresListed at southmountainrv.com. This is what they list, not a limit; ask about anything else.
RV typesTravel trailersFifth wheelsClass A motorhomesMotorhomes (any class)Horse and livestock trailersNamed on southmountainrv.com
Certifications
Certified RV Inspector; Registered RV Technician; RVTAA (RV Technician Association of America); NRVTA (National RV Training Academy); NRVIA (National RV Inspectors Association)southmountainrv.com, read October 30, 2026
Listed as“Roof; Sidewall and End Caps; Slide Out Rooms; Awnings and Slides out Toppers; 120 Colt AC Electrical System; Generator/Engine; Inverter; Coach Battery System; Fresh Water System; Waste Water System; Life Safety Item; LP Gas system; ASME Tank; Refrigerator; Water Heater; Furnace; Cook Top/Stove; Air Conditioners; Washer/Dryer; Electric Fireplace; Shower/Tub Enclosure; Chassis and Undercarriage; Ste”
Google rating5.0 of 5, 3 reviewsGoogle Maps listing, read October 30, 2026