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Houseboats for Sale in Seattle Right Now

August 3, 2026 · 4 min read

Adriano Tori

By Adriano Tori

Founder & Designated Broker, RexMont Real Estate

WA Lic. #21220

Seattle & Eastside Real Estate Market Strategist

BusinessRate Best of 2026 Award Winner

★★★★★ 1,235 Google reviews · Seattle and the Eastside's most-reviewed brokerage

Seattle's floating home market is one of the most unique — and most competitive — in the country. Here's what you need to know before you search for houseboats for sale in Seattle right now.

A row of floating homes on Lake Union in Seattle's Eastlake neighborhood on a clear day

Live market snapshot

Seattle real estate — right now

Updated Aug 2026
Median price
$820K
Avg days on market
9
Active listings
147
Months of supply
7.5

Source: MLS GRID / NWMLS market data · zip 98102 · 30-yr rate: Freddie Mac PMMS via FRED. Educational only — confirm with a licensed agent.

What neighborhoods in Seattle have houseboats for sale?

The majority of Seattle's floating homes sit along Eastlake, Westlake, and Portage Bay. Eastlake is the most established — the community along Eastlake Avenue E and the Lake Union Ship Canal corridor has been home to liveaboards for decades. Portage Bay borders the University District and attracts buyers who want proximity to UW and the Burke-Gilman Trail. Westlake, on the west side of Lake Union, tends to draw buyers who want quick access to South Lake Union tech employers.

A smaller cluster exists along Eastlake's southern reaches near Yale Street Landing. Occasionally, listings appear on Lake Washington near Leschi and Madrona, though true floating homes there are rare. If you're targeting a specific neighborhood, know this: moorage slip availability drives the market as much as the home itself does.

What is the difference between a houseboat and a floating home in Seattle?

A floating home sits on a permanent float and connects to municipal utilities — sewer, water, and electricity — through the dock. It functions like a traditional home in most respects. A houseboat, in the technical sense, has a motor and is classified as a vessel by the U.S. Coast Guard, which changes how financing, insurance, and titling work entirely.

In Seattle, most buyers use 'houseboat' casually to mean both. Listings on the NWMLS may appear under residential property or vessel categories depending on how the home is classified. Always confirm the legal classification before you write an offer — it determines your loan options. Floating homes typically qualify for conventional or jumbo mortgage financing. True houseboats often require marine financing, which carries different terms and rate structures.

How much do houseboats cost in Seattle?

Pricing varies widely based on slip location, square footage, age, and whether the home has been updated. Entry-level floating homes in the Eastlake and Portage Bay communities have historically started above the price floor for attached condos in the same zip codes — expect to pay a significant premium for waterfront living.

Moorage fees are a real cost factor. Monthly slip fees vary by marina and can run from a few hundred to over a thousand dollars per month depending on the slip, utilities included, and the marina's amenities. For current list prices, check the NWMLS public search or contact RexMont directly for an active market report.

What are moorage fees and how do they affect affordability?

Moorage fees are the monthly cost to rent the slip your floating home sits in. You pay them on top of your mortgage — they do not go away when you own the home outright. Most slips in Seattle are rented, not owned, which means you hold a lease with the marina rather than title to the land beneath your home.

That lease matters. Lease length, termination clauses, and rent escalation language directly affect your home's resale value and your ability to secure financing. Lenders scrutinize moorage leases closely. A slip lease with fewer than 20 years remaining can complicate financing significantly. Review the moorage lease with a real estate attorney before closing — this is not optional.

How does buying a floating home in Seattle differ from buying a traditional house?

The inspection process is more involved. Beyond a standard home inspection, you need a marine survey that assesses the hull or float, the electrical system's compliance with ABYC marine standards, and the structural integrity of the float itself. These are separate professionals with separate fees. Financing is more complex — not every lender originates floating home loans. You need a lender experienced with NWMLS floating home transactions specifically, preferably one who has closed deals in the Eastlake or Portage Bay marinas.

Title insurance works differently too. Because the land beneath the home is typically leased rather than owned, your title policy covers the home structure and your leasehold interest, not a fee-simple parcel. Under the 2024 NAR settlement, buyer-broker compensation arrangements changed in important ways — as a buyer, you'll have a written buyer-agency agreement in place before touring homes, and compensation structures are now negotiated directly between you and your broker.

What should I look for when touring a Seattle floating home?

Start with the float itself. Ask when it was last inspected and whether the marina has records. Concrete floats are common in Eastlake and Portage Bay and tend to be more durable than older log floats, but any float needs periodic inspection. Check the electrical panel and all shore power connections — floating homes are subject to electric shock drowning (ESD) risk if the wiring is compromised, making this a safety issue, not just a cosmetic one. A qualified marine electrician should be part of your inspection team.

Look at the slip lease documents before you fall in love with the home. Ask about the homeowners association or marina rules — some marinas restrict short-term rentals, and some have liveaboard requirements. Know the rules before you make an offer.

Are floating homes a good investment in Seattle?

Floating homes in Seattle have held value over time for one simple reason: supply is constrained. The number of legal floating home slips on Lake Union and Portage Bay is fixed, and no one is permitted to build new marina infrastructure at scale in these locations.

That said, floating homes don't always appreciate, and they are not a safe investment in every market condition. Appreciation depends on slip security, home condition, and broader Seattle real estate trends tracked by sources like the FHFA House Price Index and NWMLS monthly market reports. A floating home with a shaky moorage lease is a liability, not an asset. Buy a floating home because you want to live on the water in Seattle — not primarily as a financial instrument.

Frequently asked questions

Can I get a conventional mortgage on a Seattle floating home?
Many floating homes in Seattle qualify for conventional or jumbo mortgage financing if they meet lender requirements — including a long-term moorage lease and proper utility hookups. True houseboats classified as vessels typically require marine financing instead. Confirm the property classification with your broker and lender before applying.
How many houseboats are there in Seattle?
The number of permitted floating home slips on Lake Union, Portage Bay, and connected waterways is limited by city and state regulation. Inventory is consistently tight. For current active listing counts, the NWMLS is the authoritative source.
Do Seattle floating homes pay property taxes?
Yes. Floating homes classified as real property are assessed and taxed by King County. Vessel-classified houseboats may be taxed differently. Confirm the classification and tax treatment with the King County Assessor before closing.
What is the biggest mistake buyers make when purchasing a floating home in Seattle?
Skipping a thorough review of the moorage lease. The slip lease governs your right to keep your home where it sits. A short remaining term, unfavorable escalation clauses, or broad termination rights held by the marina can make the home difficult to finance and harder to sell.
How do I find floating homes for sale in Seattle that aren't on Zillow?
Some floating home listings appear in NWMLS under residential categories; others appear under vessel or leasehold classifications that consumer portals may not surface correctly. Working with a broker who actively monitors NWMLS floating home inventory and knows the Eastlake and Portage Bay marina communities gives you access to listings and off-market opportunities that search portals miss.

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Sources & references: Northwest Multiple Listing Service (NWMLS), Federal Reserve Economic Data (FRED), Federal Housing Finance Agency (FHFA), National Association of Realtors (NAR), Washington State Department of Revenue (REET schedules), King County Assessor, Bellevue / Kirkland / Redmond / Seattle municipal permit and zoning portals, Washington State Housing Finance Commission (WSHFC), and RexMont Real Estate in-house transaction data. Statistics, rates, and figures referenced are accurate as of publication and may change. Information is provided for educational purposes and is not legal, tax, financial, or investment advice.

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