Mobile RV repair in Tukwila
Tukwila sits at the crossroads of Sea-Tac International Airport, Southcenter Mall, and the I-5/I-405 interchange, which means a steady stream of our calls land at the Seattle/Tacoma KOA in nearby Kent or at Boeing Field-adjacent storage lots. Travelers stuck near the airport between flights are a regular dispatch, especially Sprinter Class B owners running short legs of a longer trip.
Roughly 38 inches of annual rain combined with marine air drift off the Duwamish and Boeing Field salt out the metal hardware on every rig that lives outdoors. Heavy I-5 corridor tree canopy on the surrounding lots loads roof seams with cottonwood and fir drip from October through April.
The local fleet skews toward visiting Class A snowbird rigs staging the I-5 run, fifth-wheel toy haulers heading east on I-90, and Sprinter conversions running airport-area errands and pre-trip prep. We see house-battery, water-pump, slide motor, and roof seal calls every week from this mix.
What we fix in Tukwila
The base load here is wet-season roof intrusion: cracked Dicor on EPDM and TPO membranes, vent gasket failure, and slide-topper moss colonization. We run roof reseal at $185 - $385 flat, and full slide-topper replacement on a single slide is $385 - $585 with new vinyl and hardware.
Tree drip and Boeing Field marine air corrode entry steps, awning brackets, and storage compartment latches on rigs sitting near the KOA. Step motor and assembly replacement runs $385 - $685 depending on whether it is a single, double, or triple step (Lippert Kwikee or LCI).
The Sprinter Class B pocket is its own bucket: house-battery and lithium swap, Webasto and Espar diesel heater service, water pump (Shurflo Aquajet) replacement, and 12V refrigerator (Isotherm/Dometic CRX) diagnostics. House battery to LiFePO4 200Ah upgrade runs $1,850 - $2,650 with bus-bar and BMS.
RV Roof Repair
Lap sealant reseal, EPDM and TPO patching, full membrane replacement, vent gaskets, skylight repair.
Includes- Roof leak diagnosis
- Lap sealant reseal (Dicor)
- EPDM patch and recoat
- TPO replacement
- Full roof replacement
RV Plumbing
Water heater swaps, faucets, pumps, fresh/gray/black tank repair, PEX leak chase, pressure-test diagnostics.
Includes- Water heater repair
- Faucet replacement
- Water pump swap
- Tank repair (fresh/gray/black)
- PEX leak repair
RV Electrical & Solar
Converter and inverter, lithium battery banks, solar 200W to 1000W+, shore power inlet, 12V diagnostics.
Includes- Battery bank install
- Solar install (200W-1000W+)
- Converter / inverter swap
- Shore power inlet repair
- 12V diagnostics
RV Slide-Outs
Schwintek motor replacement, Lippert gear pack rebuild, slide topper, hydraulic seal repair, alignment.
Includes- Schwintek motor swap
- Lippert gear pack rebuild
- Slide topper replacement
- Hydraulic seal repair
- Slide alignment
RV AC & Heating
Rooftop AC replacement, capacitors, soft-start installs, furnace repair, thermostat, heat pump service.
Includes- Rooftop AC replacement
- AC capacitor replacement
- Soft-start install
- Furnace repair
- Thermostat replacement
RV Generators
Onan generator service, oil and filter, spark plugs, fuel filter, annual tune-up.
Includes- Onan generator service
- Oil filter change
- Spark plug replacement
- Fuel filter swap
- Annual tune-up
RV Appliances
Norcold and Dometic fridge, microwave swap, washer/dryer install, ice maker, water filter.
Includes- Absorption fridge repair
- Residential fridge swap
- Microwave replacement
- Washer/dryer install
- Ice maker repair
RV Leveling
HWH and Lippert Level-Up jacks, motors, sensors, control board, manual override, fluid flush.
Includes- Jack motor service
- Hydraulic line repair
- Leveling sensor replacement
- Level-Up control board
- Manual override install
RV Winterization
Antifreeze pump-through, air blow-out, water heater bypass, de-winterization, full storage prep.
Includes- Antifreeze pump-through
- Air blow-out
- Water heater bypass
- De-winterization spring
- Storage prep
RV Water Damage
Leak source ID, sub-floor replacement, ceiling panel, mold remediation, wall delamination repair.
Includes- Leak source identification
- Sub-floor replacement
- Ceiling panel replacement
- Mold remediation
- Wall delamination
RV Inspection
Pre-purchase NRVIA Level 1+2, pre-trip inspection, leak survey, 100-point inspection, systems audit.
Includes- Pre-purchase inspection
- Pre-trip inspection
- Leak survey
- 100-point inspection
- Systems audit
RV Awnings
Motor and arm replacement, fabric replacement, slide-topper install, manual-to-electric conversion, wind-damage rebuild.
Includes- Awning motor swap
- Awning fabric replacement
- Awning arm replacement
- Slide topper install
- Wind-damage rebuild
RV parks, dealerships, and campgrounds we serve near Tukwila
- Seattle/Tacoma KOA - flagship Kent campground just minutes south of Tukwila, big-rig friendly to 55 ft, with a Seattle downtown bus shuttle that pulls a constant rotation of out-of-town travelers. Calls here lean toward roof reseal, slide-topper replacement, and pre-trip Class A service for snowbird rigs heading south.
- Cove RV Park & Country Store - south King County full-hookup park serving longer-stay residents and travelers. Typical work is water heater (Atwood/Suburban) replacement, refrigerator (Norcold/Dometic) cooling-unit diagnostics, and slide motor swap.
- Majestic Mobile Manor RV Park - 118-space park 5 minutes from the Tacoma Dome, popular with south Seattle and SeaTac travelers. We run roof, slide-out, and electrical calls here regularly, plus dewinterize service in March and April.
Pricing summary
Every job in Tukwila is flat-rate quoted by phone before we dispatch the truck. No hourly meter, no surprise charges, no diagnostic fee. Most repairs finish in one visit because we carry the most-replaced parts on every truck.
| Service | Flat-rate range |
|---|---|
| Roof reseal (Dicor lap sealant) | $185 - $385 |
| Slide-out motor swap (Schwintek) | $485 - $785 |
| Rooftop AC capacitor swap | $165 - $245 |
| Water heater replacement (6 gal) | $785 - $1,395 |
| Water pump swap (Shurflo Aquajet) | $245 - $385 |
| Generator oil + filter + spark plug | $185 - $285 |
| Awning motor + fabric (full) | $685 - $1,285 |
| Lithium battery upgrade (200Ah) | $1,850 - $2,650 |
| Solar install (400W with MPPT) | $2,450 - $3,950 |
| Pre-purchase inspection (NRVIA L2) | $385 - $585 |
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Common questions Tukwila RVers ask
How fast can A1 RV Repair land at the Seattle/Tacoma KOA from Tukwila?
The KOA in Kent is 10 to 15 minutes from our Tukwila staging point, so same-day landing on calls placed before 11 AM is the norm. Emergency leak or no-power dispatch runs a 2 to 4 hour window.
If you are flying in or staging an arriving rig we can coordinate by phone and run the call without you on-site.
Do you service Sprinter Class B rigs near Sea-Tac airport in Tukwila?
Yes. Sprinter Class B house systems are a major slice of our Tukwila calendar - Webasto and Espar diesel heaters, Shurflo Aquajet water pumps, lithium house banks, and 12V Isotherm or Dometic CRX refrigerator diagnostics.
Chassis and engine work goes to a Mercedes Sprinter dealer; we cover everything coach-side. House battery to LiFePO4 200Ah upgrades run $1,850 - $2,650.
Will you do pre-trip inspection on a rental RV at Sea-Tac before pickup in Tukwila?
Yes. Pre-trip leak survey and 100-point inspection on a rental rig runs $185 - $385 flat-rate, parts-or-not. NRVIA Level 1 or 2 pre-purchase runs $385 - $585.
If the rig is at an airport-adjacent storage lot we can land same-day with 24 hours notice.
What does a roof reseal cost on an RV parked at the Tukwila KOA?
Standard scrape and reseal with Dicor self-leveling lap sealant over every penetration runs $185 - $385 flat. Full EPDM membrane replacement runs $1,850 - $3,200.
We finish reseal in one visit and pressure-test before we leave the rig.
Can you fix a stuck slide on a rig staging for an I-5 trip?
Yes. Stuck slide diagnostics on the road is one of our top-volume calls in Tukwila because rigs leaving for Oregon and California get caught when the Schwintek motor or Lippert gear pack stalls.
Schwintek motor and rail kit swap is $485 - $785 flat; Lippert through-frame gear pack rebuild is $585 - $885 depending on slide length.
Do you do emergency leak repair after a Tukwila storm?
Yes. Sou'wester storms blowing through the I-5 corridor every fall and winter open up roof seams and pull caulk off front-cap radius edges. We carry Eternabond, Dicor, and EPDM patch material on the truck.
Emergency dispatch runs a 2 to 4 hour window with a flat-rate quote on the phone before we leave.
What hours do you run service calls in Tukwila?
Standard hours are 8 AM to 6 PM, Monday through Saturday. After-hours emergency dispatch carries a $40 to $75 surcharge on top of the flat-rate.
Sunday calls are case-by-case and we will tell you on the phone whether we can land that day.
Do you take payment on the truck in Tukwila?
Yes. We run card and ACH on the truck once you approve the flat-rate quote. No cash up front, no deposit on most jobs.
For larger installs (lithium, solar, full reseal) we may take 30 percent down on parts ordered, balance on completion.
Where the truck parks and how fast we land
The Tukwila truck stages off 52nd Ave S near Southcenter so we can reach the Seattle/Tacoma KOA, Boeing Field storage lots, and Sea-Tac airport-adjacent rentals inside 15 minutes. Same-day landing on calls placed before 11 AM, 2 to 4 hour emergency response on roof, electrical, and propane safety calls.
Extended-area runs out to Renton, Burien, Des Moines, Federal Way, and Kent land same-day; SeaTac, Auburn, and downtown Seattle pick up next-morning when the calendar is full. What we do not cover here is chassis work; engine, transmission, and frame issues on Class A diesel pushers go to Cummins Northwest in Renton or Freightliner of Seattle, and Sprinter chassis work goes to the Mercedes-Benz of Seattle service center.
Related services and nearby cities
Need service on a specific system? See our pages on RV roof repair, plumbing, electrical and solar, slide-outs, and AC and heating.
Other Washington service areas we cover: RV Repair in Kent, RV Repair in Seattle, RV Repair in Bellevue, RV Repair in Tacoma.