Date
Details
Price
Change
Source
6/12/2026
Listed
$499,000
—
MLS
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
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$499,000
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Property Description
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.
Full Property Details
Full Property Details for 1900 Westlake Ave N #B20
General
- Price: $499,000
- Taxes: $4,995 (2025)
- Status: Active
- Type: Single Family
- Source: NWMLS
- MLS ID: 2539054
- Updated: 8/11/2026
- Added to Site: 67 day(s) ago
Interior
- Interior Features: Dbl Pane/Storm Window, Fireplace, French Doors
- Fireplace: Yes
- Number of Fireplaces: 1
- Fireplace(s): Wood Burning
- Appliances: Dishwasher(s), Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
- Flooring: Hardwood, Carpet
Rooms
Bathrooms
- Total Bathrooms: 1
- Full Bathrooms: 1
- Main Floor Baths: 1
Bedrooms
- Total Bedrooms: 1
- Bedrooms Main: 1
Additional Information
- Amenities: Deck, Dock, Fenced-Partially, Gated Entry, Moorage, Propane, Rooftop Deck
- Security/Safety: Partially Fenced, Security Gate
Parking
- Parking Features: Off Street
Location
- Area: 700 - Queen Anne/Magnolia
- County: King
- Subdivision: Lake Union
- Driving Directions: From Westlake pay to park, enter 1900 Gate, walk down the dock to the end, turn L, houseboat will be on the L
- Direction Faces: East
School Information
- High School District: Seattle
Heating & Cooling
- Cooling Type: None
- Heating Type: Stove/Free Standing, Wall Furnace
Utilities
- Sewer: None
- Water: Public
Structural Information
- Structure Type: House
- Builder: Houzer
- Exterior Const.: See Remarks, Wood
- Basement Desc.: None
- Foundation: See Remarks
- Roof: See Remarks
- Entry Location: Main
- Square Feet: 750
- Finished Total: 750 Sq. Ft.
- Year Built: 2009
Lot Features
- Property View: City, Lake, Mountains, Territorial
- Lot Size (Acres): 0.0129
- Lot Size (Sq. Ft.): 560
- Lot Size Source: dimensions
- Lot Dimensions: 40' x 14'
Water Features
- Water Front: Yes
Financial Considerations
- Tax Amount: $4,995.2
- Tax Year: 2025
- Terms: Cash, See Remarks
Disclosures and Reports
- Special Conditions: None
- Inclusions: Dishwasher(s), Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
- Property ID: 38171203
Listed by Danny Evanger | RE/MAX Elite | (360) 863-3940
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NMLS#: 1598647
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Schools
Schools serving 1900 Westlake Ave N #B20
School District:Seattle School District
| Name | Grades | Distance |
|---|---|---|
Queen Anne Elementary School 411 Boston Street, Seattle, WA 98109 | K-5 | 0.5 mi |
Hay Elementary School 201 Garfield Street, Seattle, WA 98109 | PK-5 | 0.7 mi |
Mcclure Middle School 1915 1st Avenue West, Seattle, WA 98119 | 6-8 | 0.9 mi |
The Center School 305 Harrison Street, Seattle, WA 98109 | 9-12 | 1.1 mi |
Lincoln High School, Seattle, WA 4400 Interlake Avenue North, Seattle, WA 98103 | 9-12 | 1.6 mi |
Disclaimer:
School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.
Price & Sales History for 1900 Westlake Ave N #B20
Tax History
Tax History for 1900 Westlake Ave N #B20
Year
Property Taxes
Change
Tax Assessment
Change
2026
$44,128
10%
$4,402,800
2%
2024
$40,117
—
$4,310,200
-1%
2024
$40,259
13%
$4,332,100
—
2022
$35,610
-7%
$4,332,100
6%
2021
$38,344
—
$4,076,800
—
2021
$38,344
12%
$4,076,700
11%
2020
$34,360
19%
$3,684,000
7%
2019
$28,972
-11%
$3,456,800
3%
2018
$32,491
29%
$3,365,800
25%
2017
$25,227
14%
$2,697,700
17%
2016
$22,213
18%
$2,315,000
15%
2015
$18,821
-15%
$2,004,600
-7%
2014
$22,227
—
$2,159,000
—
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.
Estimate the Cost
Estimate the Cost for 1900 Westlake Ave N #B20
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1900 Westlake Avenue N #B20, Seattle, WA 98109 (MLS# 2539054) is a Single Family property with 1 bedroom and 1 full bathroom. 1900 Westlake Avenue N #B20 is currently listed for $499,000 and was received on June 12, 2026. Want to learn more about 1900 Westlake Avenue N #B20? Do you have questions about finding other Single Family real estate for sale in Seattle? You can browse all Seattle real estate or contact a Coldwell Banker agent to request more information.