Lake Union Floating Homes Broker — Seattle

Roughly 500 legally-permitted floating homes in Seattle, concentrated on Lake Union (the largest cluster, including the famous Sleepless in Seattle dock at Westlake Avenue), Portage Bay (south of the University Bridge), and a handful on Lake Washington. The City of Seattle has not permitted any new floating home moorages in decades — supply is structurally fixed, which is why pricing has appreciated significantly. Floating homes are distinct from houseboats (mobile vessels) and float homes on Lake Washington in non-Seattle cities.

Entry-level / older floating homes on less-desirable docks: $750K–$1.1M. Mid-tier renovated floating homes on established docks: $1.1M–$1.8M. Premium / large floating homes on prime Lake Union or Portage Bay docks: $1.8M–$3.5M+. The pricing is driven by three factors that don't apply to land-based real estate: (1) the dock association and its financial health, (2) the moorage type (owned slip vs. leased moorage), and (3) the structure itself (age, square footage, condition, recent flotation work).

An owned slip means the floating home owner has fee-simple title to a specific water lot — this is the most valuable and rarest configuration. A leased moorage means the floating home owner owns the structure but rents the water-lot moorage from the dock owner or association under a long-term lease. Leased moorages can be a perfectly stable arrangement (some leases run 50+ years) but lender treatment is different — many lenders will not finance a floating home on a leased moorage with under 20 years of remaining lease term. The lease structure is the single most important variable to verify before making an offer.

Not from most lenders. Floating homes do not qualify for conventional Fannie Mae / Freddie Mac conforming financing because they are not legally classified as real estate in the same way as land-based homes — they are typically titled as personal property or under specialty marine-mortgage frameworks. The financing path is one of (1) cash purchase, (2) specialty marine or floating-home portfolio loan from a small number of WA banks and credit unions that lend in this niche (typically 65–75% LTV, slightly higher rates than conforming), or (3) a hybrid structure if the moorage is owned and the structure is treated as a real-property improvement. I introduce buyers to the 2–3 lenders who actually fund these regularly.

In addition to a standard home inspection: (1) Flotation inspection — every floating home is held up by a flotation system (concrete pontoons, polyethylene blocks, or older log structures) that needs periodic inspection and eventual replacement. Replacement cost can be $80K–$250K+. (2) Sewer connection inspection — verifying the home's sewer connection to the city system through the dock. (3) Moorage and dock inspection — pier condition, electrical bonding, water service, dock association reserve funds. (4) Title and lease review — chain of title on the structure and the moorage lease or owned-slip title. I coordinate specialty inspectors who work the Seattle floating-home market regularly.