Recently Listed Open House 6/13 11am - 1pm
1900 Westlake Avenue N # B20
Seattle, WA, 98109 $ 499,000
Bedrooms1 Baths1.0 Sq 750 Monthly Estimate*
$ 3,072
for $499,000 with 1 bedroom and 1 full bath. This 750 square foot home was built in 2009 on a lot size of 0.0129.
Welcome aboard your own waterfront retreat on iconic Lake Union. Perfectly positioned at the end of the dock, this charming Seattle houseboat offers panoramic water views and an unforgettable lifestyle in the heart of the city. Start your mornings with coffee on one of two covered decks, unwind on the expansive rooftop deck, and enjoy front-row seats to spectacular sunrises, Fourth of July fireworks, Duck Dodge races, and the daily parade of seaplanes. Inside, vaulted ceilings and walls of windows fill the home with natural light, creating an open and inviting atmosphere. The thoughtfully designed layout features a full kitchen with breakfast bar, built-in queen bed, full bath, convenient washer/dryer combo, and an upper-level bonus room with a built-in bar—ideal as a guest space, entertaining area, or inspiring home office. The monthly slip lease of $1,598 includes moorage, insurance, DNR fees, facility fees, liveaboard status, & Property Data Protection. Launch your paddleboard or kayak right from your dock and embrace the best of Seattle's floating home lifestyle. Financing available. Pet and rental friendly. Just minutes from Amazon, Google, Adobe, and everything South Lake Union has to offer.
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Open House
6/13/2026 11:00 AM - 1:00 PM
6/14/2026 11:00 AM - 1:00 PM
1900 Westlake Avenue N # B20 Seattle, WA
* Some states or local ordinances may prohibit Open Houses at this time, please confirm with your Weichert agent or local rep to confirm
Single Family ActiveFloating Home/On-Water Res
FeaturesGeneralLiving Area 750
Sewer None
Heating Stove/Free Standing Wall Furnace
Cooling None
Possession Closing
Roof See Remarks
Appliances Dishwasher Dryer Microwave Refrigerator Stove(s)/Range(s) Washer
HOA Fee 0
Security Features Partially Fenced Security Gate
Year Built 2009
View City Lake Mountains Territorial
Levels One
Unit Number B20
Property Subtype Single Family Residence
Tax Year 2025
Waterfront Features Lake
Community Features Gated
County King
New Construction N
Property Type Residential
HOA N
Attached Garage N
Subdivision Name Lake Union
Facing Direction East
Full Baths 1
Special Listing Conditions None
Status Active
Directions From Westlake pay to park enter 1900 Gate walk down the dock to the end turn L houseboat will be on the L
City Seattle
Entry Location Main
Senior Community Y/N N
High School District Seattle
MLS Area 700 - Queen Anne/Magnolia
Lot Size Units Square Feet
Lot Size Square Feet 560
Carport Y/N N
Listing Terms Cash See Remarks
Land Lease Y/N N
Tax Annual Amount 4995.2
Public Remarks Welcome aboard your own waterfront retreat on iconic Lake Union. Perfectly positioned at the end of the dock this charming Seattle houseboat offers panoramic water views and an unforgettable lifestyl
Structure Type House
Building Area Units Square Feet
Builder Name Houzer
Standard Status Active
Water Company Public Water included with Slip Rent
Property Style 24 - Floating Home/On-Water Res
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InteriorInterior Amenities Dbl Pane/Storm Window Fireplace French Doors
Basement None
Flooring Hardwood Carpet
Total Fireplaces 1
Fireplace Features Wood Burning
Air Conditioning Y/N N
Heating Y/N Y
Fireplace Y/N Y
Half Baths 0
3/4 Baths 0
Total Bedrooms 1
Main Level Bedrooms 1
Total Baths 1
Fireplaces Main 1
Power Production Type Electric Propane Wood
Baths Three Quarter Garage 0
Baths Three Quarter Lower 0
Baths Three Quarter Main 0
Baths Three Quarter Upper 0
Bedrooms Lower 0
Bedrooms Upper 0
Baths Half Upper 0
Baths Half Main 0
Baths Half Lower 0
Baths Half Garage 0
Baths Full Upper 0
Baths Full Main 1
Baths Full Lower 0
Baths Full Garage 0
Bathrooms 1
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ExteriorExterior Amenities See Remarks Wood
Parking Features Off Street
Water Source Public
Total Parking 0
Inclusions Dishwasher(s) Dryer(s) Microwave(s) Refrigerator(s) Stove(s)/Range(s) Washer(s)
Foundation Details See Remarks
Building Area Total 750
Lot Dimensions 40' x 14'
Lot Size Acres 0.0129
Waterfront Y/N Y
Covered Spaces 0
Irrigation Water Rights Y/N N
Waterfront Footage 40'
Site Features Deck Dock Fenced-Partially Gated Entry Moorage Propane Rooftop Deck
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Internal OnlyOriginalMLSID NWM2539054
Street Number 1 1900
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* Excluded FeaturesList ByDanny EvangerListing Agent
Affordability Calculator
- Monthly Principal & Interest
- $3,072
- Monthly Property Taxes
- $416
- Monthly Home Insurance
- --
Default based on a 30-year fixed rate of 6.25% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
Learn more about how to save NearbySingle family listings in Seattle, WA
Average List Price $1,217,253
Percent of Sale Price 144%
About Seattle, WA 718,877 Population
28% Since 2002
$ 81,312 Median Income
39.1 Median Age
18% Households with Children
Trends Information provided by ATTOM Data Solutions.
257829 Elementary School
258279 Middle School
Unknown High School High School
Pricing History| Date | Price | Price Change | Description |
|---|
| 6/12/2026 | $499,000 | | Listed Price |