Listing provided courtesy of RE/MAX EliteNWMLSas Distributed by MLSGrid- MLS# NWM2539054MLS Provider

1900 Westlake Avenue N #B20Seattle, WA 98109

Single Family · 1 Bed · 1 Full Bath · 750 Sq. ft. | 0.01 Acres
$499,000 Active

1900 Westlake Avenue N #B20 Overview

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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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1900 Westlake Avenue N #B20 Facts & Features

  • Type Single Family
  • Sq. ft. 750
  • Price/Sq.ft. $665
  • Lot 0.01 Acres

Details

General

Association/HOA

  • Association Fee: $0.00

School Information

  • School District: Seattle

Building Information

  • Builder Name: Houzer
  • New Construction: No
  • Year Built: 2009

Location/Region

  • Country: US
  • County Or Parish: King
  • MLS Area Major: 700 - Queen Anne/Magnolia
  • Subdivision Name: Lake Union

Community/Development

  • Community Features: Gated

Rent/Lease Information

  • Land Lease: No

Tax Information

  • Tax Annual Amount: $4,995.20
  • Tax Year: 2025

General Information

  • Inclusions: Dishwasher(s), Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Listing Terms: Cash, See Remarks
  • Parcel Number: 38171203
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: None

Interior

Building Information

  • Building Information: Modular

Beds/Baths

  • Bathrooms Full: 1
  • Bathrooms Half: 0
  • Bathrooms Three Quarter: 0
  • Bathrooms Total: 1
  • Bedrooms Total: 1
  • Bedrooms Lower: 0
  • Bedrooms Upper: 0

Building Interior

  • Appliances Included: Dishwasher(s), Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
  • Building Area Total: 750
  • Building Area Units: Square Feet
  • Calculated Square Footage: 750
  • Square Footage Finished: 750
  • Square Footage Unfinished: 0

General Information

  • Appliances: Dishwasher, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer
  • Basement: None
  • Cooling: No
  • Entry Location: Main
  • Fireplace Features: Wood Burning
  • Fireplace: Yes
  • Fireplaces Total: 1
  • Flooring: Hardwood, Carpet
  • Foundation Details: See Remarks
  • Heating: Yes
  • Interior Features: Dbl Pane/Storm Window, Fireplace, French Doors
  • Levels: One
  • Living Area: 750
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 1
  • Power Production Type: Electric,Propane,Wood
  • Security Features: Partially Fenced,Security Gate

Unit Information

  • Unit Number: B20

Exterior

Parking Information

  • Open Parking: No
  • Parking Features: Off Street
  • Parking Total: 0

Lot Information

  • Irrigation Water Rights: No
  • Lot Size Dimensions: 40' x 14'
  • Lot Size Square Feet: 560
  • Lot Size Units: Square Feet
  • Site Features: Deck, Dock, Fenced-Partially, Gated Entry, Moorage, Propane, Rooftop Deck
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

  • Waterfront Features: Lake
  • Waterfront Footage: 40'
  • Waterfront: Yes

Building Exterior/Construction

  • Attached Garage: No
  • Direction Faces: East
  • Roof: See Remarks
  • Structure Type: House

General Information

  • Carport: No
  • Covered Spaces: 0
  • Exterior Features: See Remarks, Wood
  • Sewer: None

Room Information

Room: Bathroom Full

  • Level: Main

Room: Bedroom

  • Level: Main

Room: Entry Hall

  • Level: Main

Room: Kitchen With Eating Space

  • Level: Main

Room: Living Room

  • Level: Main

Room: Utility Room

  • Level: Main

Room: Bonus Room

  • Level: Second

1900 Westlake Avenue N #B20 Neighborhood

Community

98109 (Seattle) Demographics

31
Median Age
12,812
Population Density (per sq. mile)
80%
College Educated
$107,330
Estimated Median Income
4,107
Estimated Total Home Owners
14,510
Estimated Total Renters
22% / 78%
Estimated Owner / Renter Divide
2
Estimated Average Household Size
Community data courtesy of LiveBy, Inc.

Schools

School data courtesy of LiveBy, Inc. School ratings are based on a scale of 1-5, with 5 being the highest rating and 1 being the lowest rating.

1900 Westlake Avenue N #B20 Monthly Cost

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* All calculations are estimates and provided by Reliance Network, for informational purposes only. Actual amounts may vary. ** Assumes 6.50% APR, 20% down payment, and conventional 30-year fixed rate first mortgage. Rates cited are for instructional purposes only; current rates are subject to change at any time without notice. You should not make any decisions based simply on the information provided. Additional required amounts such as taxes, insurance, homeowner association dues, assessments, mortgage insurance premiums, flood insurance or other such required payments should also be considered. Contact your mortgage company for current rates and additional information. Any mortgage broker or insurance agent that may appear is independent and is not affiliated with, endorsed by, or provided by the MLS.

1900 Westlake Avenue N #B20 Market Data

Based on the last 30 days in this zip code

$1,037,656
Average List Price
$711
Average Price per Square Foot
31
Properties Sold
72
Average Days on Market
159
Properties for Sale
Calculations provided by Reliance Network

1900 Westlake Avenue N #B20 History

Date Event Value Agent
6/12/2026Source: NWMLS Added to Database
June 12, 2026