RV Dump Stations In Seattle, Washington
47.6062° N, 122.3321° W
Quick Overview
Seattle is a dense Pacific Northwest metro wedged between Puget Sound and Lake Washington, so the RV dump stations sit on the outskirts rather than anywhere downtown. The plan here is simple: base at a full-hookup park ringing the city and empty your tanks right at your site, then drive a tow vehicle in to see the Space Needle, Pike Place Market, and the waterfront. There is no public dump-station scene in the urban core, since the city has no room for big rigs and restricts RV overnight street parking, so the suburbs and the Snoqualmie Valley are where tank chores actually happen.
On the private side, the full-hookup options include Lake Pleasant RV Park in Bothell about 22 miles north with on-site propane and a free guest dump, Blue Sky RV Park in Preston 18 miles east off I-90, Tall Chief RV Campground in the Snoqualmie Valley with Cascade views, and the Seattle North KOA in Woodinville. For a standalone dump between stays, Evergreen RV Supply in Shoreline runs one. On the public side, the King County and Washington State Parks systems offer Tolt-MacDonald Park in Carnation and Fay Bainbridge Park across the water, both with hookups and Fay Bainbridge with its own dump station. Reservations matter most from July through September.
Below we cover where to dump, where to fill fresh water, how to handle the no-hookup national forest sites in the Cascades and Olympics, and how the ferry routes open up an extra option on Bainbridge Island. The short version is that Seattle keeps tank chores on the edges of the metro, so base on the outskirts, reserve ahead for the dry summer peak, and dump on site rather than fighting city traffic.
Top Rated Dump Stations in Seattle
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All Dump Stations Near Seattle
| Station Name | Distance | Rating | Category | Cost |
|---|---|---|---|---|
| Shell Station; previously a Chevron Station | 7.9 mi | N/A | Dump Station | Varies |
| Bryn Mawr Beach & RV Park | 8.9 mi | N/A | Dump Station | Varies |
| Trailer Inns R.V. Park | 9.5 mi | N/A | Dump Station | Varies |
| Manchester State Park | 10.4 mi | N/A | Dump Station | Free |
| Vasa Park Resort | 10.4 mi | 4.3 | Dump Station | Free |
| Lake Sammamish State Park | 12.9 mi | 4.7 | Dump Station | Free |
| Lake Pleasant RV Park | 13.1 mi | 4.5 | Dump Station | Free |
| Karcher Creek Wastewater Treatment Plant | 13.7 mi | N/A | Dump Station | Free |
| Saltwater State Park | 16.0 mi | N/A | Dump Station | Free |
| Union 76 Station | 16.2 mi | N/A | Dump Station | Free |
Shell Station; previously a Chevron Station
7.9 miBryn Mawr Beach & RV Park
8.9 miTrailer Inns R.V. Park
9.5 miManchester State Park
10.4 miVasa Park Resort
10.4 miLake Sammamish State Park
12.9 miLake Pleasant RV Park
13.1 miKarcher Creek Wastewater Treatment Plant
13.7 miSaltwater State Park
16.0 miUnion 76 Station
16.2 miTraveling to Seattle by RV
Getting an RV to the Seattle dump options means staying on the outskirts and out of the dense core. The main approaches are I-5 running north and south, I-90 heading east, and I-405 looping the east side, with WA-520 crossing Lake Washington. The full-hookup parks line these corridors in Bothell, Preston, Woodinville, and the Snoqualmie Valley, so a big rig reaches them without driving downtown. One important caution: the Seattle express lanes ban vehicles over 10,000 pounds during peak hours, so heavy rigs should use the main lanes and base outside the city. Washington State Ferries from the waterfront carry RVs by length to Bainbridge Island, where Fay Bainbridge Park has a dump station. Handle propane, fuel, and groceries in the suburbs before heading into the Mount Baker-Snoqualmie National Forest, where services thin out fast.
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Before You Go: RV Trip Essentials
Dump stations are only one piece of the trip puzzle. Before you set out for your trip to Seattle, Washington, it's worth taking thirty minutes to check that the basics are in place — the four areas below are where unprepared RVers most often get stung.
Check your RV insurance coverage
A standard auto policy rarely covers a Class A, Class C, or travel trailer the way a dedicated RV insurance policy does. If you're financing a motorhome, lenders typically require comprehensive and collision; full-timers should additionally price in vacation liability and personal belongings coverage. Rates vary widely by state and travel pattern — compare quotes from multiple RV-focused carriers before each season.
Know your roadside assistance options
RV-specific roadside plans tow motorhomes and trailers that regular AAA coverage won't touch — flat beds, mobile mechanics, tire service for duallies, and even emergency lockouts at remote campgrounds. Good plans cover your spouse and trailer even if you're driving a separate vehicle, and some include trip interruption reimbursement if a breakdown costs you a reservation.
Decide about an extended warranty early
Original manufacturer warranties on new RVs typically run 12–24 months — shorter than most buyers realize. An extended service contract (essentially a mechanical breakdown policy) covers the appliances, slides, levelling systems, and drivetrain components that can run $3,000–$10,000 to replace. The time to price one is before the factory coverage expires, not after something breaks.
Set up a travel rewards card for fuel and fees
A no-annual-fee travel or gas rewards card pays for itself on a single month of RV travel. Expect to spend $400–$800 per week combined on fuel, campgrounds, and propane — 3–5% cash back on gas alone covers the next oil change. For bigger trips, a sign-up bonus can offset campground fees for the whole season.
RVingLife is supported by advertising. Third-party ads on this page may include insurance quotes, roadside plans, warranty coverage, or financial products relevant to the topics above. We don't endorse any specific provider — compare multiple offers before you commit. Privacy policy.
Dump Station Costs in Seattle
Dumping itself is a small cost around Seattle; the campsite is the main expense, and rates here run higher than rural Washington since this is an expensive urban market. Full-hookup park stays include dump access in the nightly rate, and Lake Pleasant RV Park in Bothell offers a free dump for guests specifically. Standalone dump fees at a supply store like Evergreen RV Supply in Shoreline generally run in the modest range, so call ahead for current pricing. Expect peak pricing from July through September, the dry season when the outskirts parks book solid. The national forest dispersed sites in the Cascades and Olympics are the budget camping choice, trading hookups for quiet, so plan a paid dump stop at a full-hookup park when you stay out there self-contained.
Contact station for pricing details.
Prices may vary. Always confirm with the station before visiting.
What RVers Are Saying About Seattle
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Best Time to Visit Seattle by RV
Winter
Nov - Feb
37F - 47F
Crowds: Low
Cool and wet but rarely freezing thanks to the maritime air off Puget Sound. Lowland parks stay open year round, so tank chores are easy if you run heat on hookups. Rain is the constant from October through April, so dump under whatever cover you can and keep your gloves dry.
Spring
Mar - May
44F - 58F
Crowds: Medium
Green and showery, warming and drying through May and June. Sites open up and the private parks are easy to book midweek. Expect changeable days, so handle tank dumping between the showers and keep rain gear by the hookup connections.
Summer
Jun - Aug
56F - 76F
Crowds: High
Dry, mild, and glorious from July into September, which is peak season across the region. The outskirts parks book solid, so reserve ahead and dump on site rather than hunting late in the day. Occasional regional wildfire smoke can haze the skies but rarely affects services.
Fall
Sep - Oct
47F - 60F
Crowds: Medium
September is the sweet spot, warm and dry with lighter crowds, ideal for unhurried tank stops. Rain returns by October across western Washington, so the later weeks feel more like winter. Book early September weekends ahead, since locals chase the last dry days too.
Explore the Seattle Area
- Base on the outskirts in Bothell, Preston, Woodinville, or the Snoqualmie Valley and drive a tow vehicle into the city.
- Lake Pleasant RV Park in Bothell offers a free dump for guests plus on-site propane; the other full-hookup parks include dumping in the nightly rate.
- Evergreen RV Supply in Shoreline runs a standalone dump station if you need one between stays.
- Fay Bainbridge Park, a short ferry ride across Puget Sound, has water and electric hookups and its own dump station.
- Big rigs must avoid the express lanes at peak (no vehicles over 10,000 pounds) and should not try to overnight on city streets.
- Tolt-MacDonald Park in Carnation caps RV length at 36 feet, so longer rigs should plan for the private parks.
- Arrive self-contained for Cascade or Olympic national forest dispersed sites, then dump at a full-hookup park afterward; never dump on the ground near the watersheds.
National Parks Nearby
Frequently Asked Questions About Dump Stations in Seattle
Where can I dump my RV tanks in Seattle, Washington?
Seattle is a dense metro, so the dump stations sit on the outskirts rather than downtown. The reliable options are the private full-hookup parks that ring the city: Lake Pleasant RV Park in Bothell about 22 miles north, Blue Sky RV Park in Preston 18 miles east off I-90, Tall Chief RV Campground in the Snoqualmie Valley, and the Seattle North KOA in Woodinville. Evergreen RV Supply in Shoreline also runs a dump station, and Fay Bainbridge Park has one a short ferry ride across Puget Sound. If you are staying at any full-hookup park, the simplest plan is to empty tanks right at your site.
Are there full-hookup RV parks near Seattle?
Yes, several good ones ring the metro since the city core has no room for big RV sites. Lake Pleasant RV Park in Bothell has full hookups with 30 and 50 amp service, bathhouses, on-site propane, and a free dump for guests. Blue Sky RV Park in Preston offers all full-hookup pull-throughs with 30 and 50 amp, sized for slide-outs and awnings. Tall Chief RV Campground in the Snoqualmie Valley and the Seattle North KOA in Woodinville both have full hookups with family amenities. Because every one of these has sewer at the site, you dump where you park, which is the easiest setup for visiting the city.
Can I dump for free near Seattle?
Free standalone public dump stations are scarce in a metro this size, so most travelers dump as part of a paid stay at a full-hookup park. Lake Pleasant RV Park in Bothell offers a free dump for its guests, and the other private parks include dumping in the nightly rate. Evergreen RV Supply in Shoreline runs a dump station that typically charges a modest fee. Fay Bainbridge Park across the water on Bainbridge Island also has a dump station. Because Seattle is an expensive urban area rather than a place with public RV facilities, plan to dump at a campground or supply store rather than expecting a free roadside station.
Where can I fill fresh water around Seattle?
Fill at the full-hookup parks. Lake Pleasant in Bothell, Blue Sky in Preston, Tall Chief in the Snoqualmie Valley, and the Seattle North KOA in Woodinville all have potable water at the sites. The King County parks at Tolt-MacDonald in Carnation and Fay Bainbridge on the island offer water and electric hookups too. Top off your fresh tank before heading into the Cascades or Olympics to camp at a dispersed national forest site, where there are no services. The whole region has full big-city amenities, so combine your water fill with groceries, fuel, and a dump stop in one swing through the suburbs.
Can big rigs reach the Seattle dump stations?
Yes, though you want to base on the outskirts. The main approaches are I-5 running north and south, I-90 heading east, and I-405 looping around the east side, with WA-520 crossing Lake Washington. The full-hookup parks sit off these corridors in Bothell, Preston, Woodinville, and the Snoqualmie Valley, so a large rig reaches them without driving into the dense city core. One caution: the Seattle express lanes ban vehicles over 10,000 pounds during peak hours, so big rigs should use the main lanes. Tolt-MacDonald Park caps RV length at 36 feet, so longer rigs should plan for the private parks instead.
Where do I get propane near Seattle?
Propane is easy to find across the Seattle metro, along with fuel, groceries, and RV supplies, since this is a major city with full amenities. Lake Pleasant RV Park in Bothell has on-site propane, and area dealers handle refills throughout the suburbs. There are RV service centers north and east of the metro if you need repairs while you are in for supplies. Stock up before heading into the Cascade or Olympic national forests, where services thin out fast. Combine propane, fuel, water, and a dump stop into one trip through Bothell, Woodinville, or the I-90 corridor to save backtracking through city traffic.
Should I dump before camping in the Cascades or Olympics?
Yes, if you are headed to a dispersed national forest site. Mount Baker-Snoqualmie and Olympic national forest dispersed sites lie an hour or more out from the metro and have no hookups, so you camp self-contained there. Arrive with empty tanks and a full fresh-water tank, then dump afterward at one of the full-hookup parks ringing the city or at Evergreen RV Supply in Shoreline. Top off fresh water at the same stop. Never dump on the ground in the forest, which is both illegal and harmful to the watersheds that feed Puget Sound. Plan your tank strategy around the lack of services out in the mountains.
Can I park overnight in Seattle to dump?
Seattle restricts RV overnight parking on city streets, so do not plan to stage a dump from a curb or lot. The legal and easy route is to book a full-hookup site on the outskirts in Bothell, Preston, Woodinville, or the Snoqualmie Valley, dump there, and drive a tow vehicle into the city to sightsee. Big rigs should base outside the core anyway, since the express lanes ban heavy vehicles at peak and downtown has no room to maneuver. For a more natural setting, the King County parks at Tolt-MacDonald and Fay Bainbridge offer overnight sites with hookups. Stick to established parks for overnight and tank chores.
How do I reach dump options by ferry from Seattle?
Washington State Ferries run scenic car-ferry routes from the Seattle waterfront across Puget Sound, and one of them opens up a handy dump option. Fay Bainbridge Park, a short ferry ride to Bainbridge Island, has water and electric hookups plus a dump station with Cascade views over the saltwater shoreline. If your travels take you toward the Olympic Peninsula, this is a pleasant place to empty tanks away from city traffic. Ferries carry RVs but charge by length, so a big rig pays more, and summer sailings fill up. Reserve a vehicle spot ahead in peak season and plan your dump around the boat schedule.
How much does dumping cost around Seattle?
If you are staying at a full-hookup site, dumping is included in your nightly rate, and Lake Pleasant RV Park in Bothell offers a free dump for guests specifically. Standalone dump fees at a supply store like Evergreen RV Supply in Shoreline generally run in the modest range, so call ahead for current pricing. Because Seattle is an expensive urban market, campground nightly rates here run higher than rural Washington, especially in the July through September peak season. The national forest dispersed sites in the Cascades and Olympics are the budget camping option, trading hookups for quiet, so factor in a paid dump stop at a full-hookup park when you camp out there.
When is Seattle busiest for RV services?
Summer is the clear peak, July through September, when the dry maritime weather draws crowds and the outskirts parks book solid. September is the local favorite, warm and dry with lighter crowds, so even the shoulder weeks stay busy. Reserve well ahead for any summer weekend and dump on site rather than hunting late in the day. The wet months, October through April, are far quieter, with easy availability at the lowland parks that stay open year round. If you come in peak season, book your full-hookup site early and plan your dump and water stops in advance rather than assuming open space.
Are there public campgrounds near Seattle with dump stations?
Yes, the King County and Washington State Park systems offer a few public options near the metro. Tolt-MacDonald Park in Carnation, at the confluence of the Snoqualmie and Tolt rivers, has 16 utility sites with water and electric, though it caps RV length at 36 feet. Fay Bainbridge Park, a short ferry ride to Bainbridge Island, has water and electric hookups and a dump station on a saltwater shoreline. Both book through their county and state reservation systems, so reserve ahead for summer weekends. For full sewer hookups you will still want the private parks, but these public sites are a scenic alternative for shorter rigs.
What is the best dumping plan for a Seattle trip?
Base on the outskirts where you have full hookups and dump at your site. For the easiest setup, book Lake Pleasant RV Park in Bothell, Blue Sky RV Park in Preston off I-90, Tall Chief RV Campground in the Snoqualmie Valley, or the Seattle North KOA in Woodinville, then drive a tow vehicle into the city. Evergreen RV Supply in Shoreline handles a standalone dump if you need one between stays. If you camp self-contained in the Cascade or Olympic national forests, arrive with empty tanks and dump at a full-hookup park afterward. Reserve early for the July through September peak. For where to stay in detail, see our companion guide to RV parks in Seattle.
Where can I dump my RV tanks in Seattle, Washington?
Seattle is a dense metro, so the dump stations sit on the outskirts rather than downtown. The reliable options are the private full-hookup parks that ring the city: Lake Pleasant RV Park in Bothell about 22 miles north, Blue Sky RV Park in Preston 18 miles east off I-90, Tall Chief RV Campground in the Snoqualmie Valley, and the Seattle North KOA in Woodinville. Evergreen RV Supply in Shoreline also runs a dump station, and Fay Bainbridge Park has one a short ferry ride across Puget Sound. If you are staying at any full-hookup park, the simplest plan is to empty tanks right at your site.
Are there full-hookup RV parks near Seattle?
Yes, several good ones ring the metro since the city core has no room for big RV sites. Lake Pleasant RV Park in Bothell has full hookups with 30 and 50 amp service, bathhouses, on-site propane, and a free dump for guests. Blue Sky RV Park in Preston offers all full-hookup pull-throughs with 30 and 50 amp, sized for slide-outs and awnings. Tall Chief RV Campground in the Snoqualmie Valley and the Seattle North KOA in Woodinville both have full hookups with family amenities. Because every one of these has sewer at the site, you dump where you park, which is the easiest setup for visiting the city.
Can I dump for free near Seattle?
Free standalone public dump stations are scarce in a metro this size, so most travelers dump as part of a paid stay at a full-hookup park. Lake Pleasant RV Park in Bothell offers a free dump for its guests, and the other private parks include dumping in the nightly rate. Evergreen RV Supply in Shoreline runs a dump station that typically charges a modest fee. Fay Bainbridge Park across the water on Bainbridge Island also has a dump station. Because Seattle is an expensive urban area rather than a place with public RV facilities, plan to dump at a campground or supply store rather than expecting a free roadside station.
Where can I fill fresh water around Seattle?
Fill at the full-hookup parks. Lake Pleasant in Bothell, Blue Sky in Preston, Tall Chief in the Snoqualmie Valley, and the Seattle North KOA in Woodinville all have potable water at the sites. The King County parks at Tolt-MacDonald in Carnation and Fay Bainbridge on the island offer water and electric hookups too. Top off your fresh tank before heading into the Cascades or Olympics to camp at a dispersed national forest site, where there are no services. The whole region has full big-city amenities, so combine your water fill with groceries, fuel, and a dump stop in one swing through the suburbs.
Can big rigs reach the Seattle dump stations?
Yes, though you want to base on the outskirts. The main approaches are I-5 running north and south, I-90 heading east, and I-405 looping around the east side, with WA-520 crossing Lake Washington. The full-hookup parks sit off these corridors in Bothell, Preston, Woodinville, and the Snoqualmie Valley, so a large rig reaches them without driving into the dense city core. One caution: the Seattle express lanes ban vehicles over 10,000 pounds during peak hours, so big rigs should use the main lanes. Tolt-MacDonald Park caps RV length at 36 feet, so longer rigs should plan for the private parks instead.
Where do I get propane near Seattle?
Propane is easy to find across the Seattle metro, along with fuel, groceries, and RV supplies, since this is a major city with full amenities. Lake Pleasant RV Park in Bothell has on-site propane, and area dealers handle refills throughout the suburbs. There are RV service centers north and east of the metro if you need repairs while you are in for supplies. Stock up before heading into the Cascade or Olympic national forests, where services thin out fast. Combine propane, fuel, water, and a dump stop into one trip through Bothell, Woodinville, or the I-90 corridor to save backtracking through city traffic.
Should I dump before camping in the Cascades or Olympics?
Yes, if you are headed to a dispersed national forest site. Mount Baker-Snoqualmie and Olympic national forest dispersed sites lie an hour or more out from the metro and have no hookups, so you camp self-contained there. Arrive with empty tanks and a full fresh-water tank, then dump afterward at one of the full-hookup parks ringing the city or at Evergreen RV Supply in Shoreline. Top off fresh water at the same stop. Never dump on the ground in the forest, which is both illegal and harmful to the watersheds that feed Puget Sound. Plan your tank strategy around the lack of services out in the mountains.
Can I park overnight in Seattle to dump?
Seattle restricts RV overnight parking on city streets, so do not plan to stage a dump from a curb or lot. The legal and easy route is to book a full-hookup site on the outskirts in Bothell, Preston, Woodinville, or the Snoqualmie Valley, dump there, and drive a tow vehicle into the city to sightsee. Big rigs should base outside the core anyway, since the express lanes ban heavy vehicles at peak and downtown has no room to maneuver. For a more natural setting, the King County parks at Tolt-MacDonald and Fay Bainbridge offer overnight sites with hookups. Stick to established parks for overnight and tank chores.
How do I reach dump options by ferry from Seattle?
Washington State Ferries run scenic car-ferry routes from the Seattle waterfront across Puget Sound, and one of them opens up a handy dump option. Fay Bainbridge Park, a short ferry ride to Bainbridge Island, has water and electric hookups plus a dump station with Cascade views over the saltwater shoreline. If your travels take you toward the Olympic Peninsula, this is a pleasant place to empty tanks away from city traffic. Ferries carry RVs but charge by length, so a big rig pays more, and summer sailings fill up. Reserve a vehicle spot ahead in peak season and plan your dump around the boat schedule.
How much does dumping cost around Seattle?
If you are staying at a full-hookup site, dumping is included in your nightly rate, and Lake Pleasant RV Park in Bothell offers a free dump for guests specifically. Standalone dump fees at a supply store like Evergreen RV Supply in Shoreline generally run in the modest range, so call ahead for current pricing. Because Seattle is an expensive urban market, campground nightly rates here run higher than rural Washington, especially in the July through September peak season. The national forest dispersed sites in the Cascades and Olympics are the budget camping option, trading hookups for quiet, so factor in a paid dump stop at a full-hookup park when you camp out there.
When is Seattle busiest for RV services?
Summer is the clear peak, July through September, when the dry maritime weather draws crowds and the outskirts parks book solid. September is the local favorite, warm and dry with lighter crowds, so even the shoulder weeks stay busy. Reserve well ahead for any summer weekend and dump on site rather than hunting late in the day. The wet months, October through April, are far quieter, with easy availability at the lowland parks that stay open year round. If you come in peak season, book your full-hookup site early and plan your dump and water stops in advance rather than assuming open space.
Are there public campgrounds near Seattle with dump stations?
Yes, the King County and Washington State Park systems offer a few public options near the metro. Tolt-MacDonald Park in Carnation, at the confluence of the Snoqualmie and Tolt rivers, has 16 utility sites with water and electric, though it caps RV length at 36 feet. Fay Bainbridge Park, a short ferry ride to Bainbridge Island, has water and electric hookups and a dump station on a saltwater shoreline. Both book through their county and state reservation systems, so reserve ahead for summer weekends. For full sewer hookups you will still want the private parks, but these public sites are a scenic alternative for shorter rigs.
What is the best dumping plan for a Seattle trip?
Base on the outskirts where you have full hookups and dump at your site. For the easiest setup, book Lake Pleasant RV Park in Bothell, Blue Sky RV Park in Preston off I-90, Tall Chief RV Campground in the Snoqualmie Valley, or the Seattle North KOA in Woodinville, then drive a tow vehicle into the city. Evergreen RV Supply in Shoreline handles a standalone dump if you need one between stays. If you camp self-contained in the Cascade or Olympic national forests, arrive with empty tanks and dump at a full-hookup park afterward. Reserve early for the July through September peak. For where to stay in detail, see our companion guide to RV parks in Seattle.
Are there free dump stations in Seattle?
Yes — there are free RV waste disposal options available near Seattle.
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