10451 Rainier Avenue S, Seattle, WA 98178 | MLS #NWM2513692 | Berkshire Hathaway HomeServices Northwest Real Estate  
 
Listing provided courtesy of Berkshire Hathaway HS NWNWMLSas Distributed by MLSGrid- MLS# NWM2513692MLS Provider

10451 Rainier Avenue SSeattle, WA 98178

Multi-Family · 2 Beds · 1,750 Sq. ft. | 0.16 Acres
$900,000 Active

10451 Rainier Avenue S Overview

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Investor Opportunity in Seattle’s Lakeridge Neighborhood – Duplex with Lake & Territorial Views + Deeded Waterfront Access Well-located duplex in the Lakeridge area of Seattle offering strong long-term investment potential. This one-story multi-family property with an unfinished basement features approximately 1,750 square feet on a 7,040 square foot lot, with two separate 1bed/1bath units providing flexibility for rental income, multigenerational living, or future repositioning. Property includes hardwood, vinyl, and carpet flooring, basement storage, and patio space. Multiple uncovered parking spaces provide convenient off-street parking. Situated on a paved, dead-end street with sidewalks, curbs, and established residential surroundings. Enjoy territorial, city, and lake views along with deeded access to community waterfront/private beach, a rare amenity that enhances long-term desirability. Built in 1943, this property offers value-add potential for investors looking to renovate, optimize rents, or as a long-term hold. Close proximity to major commuter routes, employment centers, and neighborhood amenities.

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10451 Rainier Avenue S Facts & Features

  • Type Multi-Family
  • Sq. ft. 1,750
  • Price/Sq.ft. $514
  • Lot 0.16 Acres

Details

General

Association/HOA

  • Association Fee: $0.00

School Information

  • School District: Renton

Income/Expenses

  • Other Expense: 0
  • Electric Expense: 0
  • Fuel Expense: 0
  • Gross Scheduled Income: 0
  • Insurance Expense: 2000
  • Net Operating Income: 0
  • Total Expenses: 11516
  • Total Monthly Income: 0
  • Water/Sewer/Garbage: 0

Building Information

  • New Construction: No
  • Year Built: 1943

Location/Region

  • Country: US
  • County Or Parish: King
  • MLS Area Major: 360 - Skyway Area
  • Subdivision Name: Lakeridge

Community/Development

  • Amenities: Basement,Storage

Tax Information

  • Tax Annual Amount: $9,516.00
  • Tax Year: 2025

General Information

  • Listing Terms: Cash, Conventional
  • Parcel Number: 2045400180
  • Possible Use: Multi-Family,Residential
  • Property Sub Type: Multi Family
  • Property Type: Residential Income
  • Senior Community: No
  • Special Listing Conditions: None

Interior

Parking Information

  • Garage Spaces: 0

Beds/Baths

  • Bedrooms Upper: 0

Building Interior

  • Building Area Total: 1750
  • Building Area Units: Square Feet
  • Calculated Square Footage: 1750
  • Square Footage Finished: 0
  • Square Footage Unfinished: 0

General Information

  • Cooling: No
  • Fireplace: No
  • Fireplaces Total: 0
  • Flooring: Hardwood, Vinyl, Carpet
  • Heating: Yes
  • Leasable Area: 1750
  • Living Area: 0
  • Main Level Bathrooms: 0
  • Power Production Type: Electric,Natural Gas
  • Stories Total: 2

Exterior

Parking Information

  • Open Parking: No
  • Parking Total: 4
  • Parking Uncovered Total: 4

Lot Information

  • Irrigation Water Rights: No
  • Lot Features: Curbs, Dead End Street, Paved, Sidewalk
  • Lot Size Acres: 0.1616
  • Lot Size Square Feet: 7040
  • Lot Size Units: Square Feet
  • Site Features: Patio
  • Elevation Units: Feet

Waterfront/View

  • Waterfront: No

Building Exterior/Construction

  • Roof: Torch Down
  • Structure Type: Duplex

General Information

  • Carport Spaces: 0
  • Carport: No
  • Covered Spaces: 0
  • Exterior Features: Wood
  • Number Of Units Total: 2
  • Sewer: Sewer Connected

Unit Information

Unit 1 Details

  • Actual Rent: 0
  • Beds Total: 1
  • Baths Total: 1

Unit 2 Details

  • Actual Rent: 0
  • Beds Total: 1
  • Baths Total: 1

10451 Rainier Avenue S Neighborhood

Community

98178 (TUKWILA) Demographics

41
Median Age
4,523
Population Density (per sq. mile)
44%
College Educated
$84,820
Estimated Median Income
6,476
Estimated Total Home Owners
3,284
Estimated Total Renters
66% / 34%
Estimated Owner / Renter Divide
3
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.

10451 Rainier Avenue S 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.

10451 Rainier Avenue S Market Data

Based on the last 30 days in this zip code

$803,093
Average List Price
$404
Average Price per Square Foot
21
Properties Sold
67
Average Days on Market
101
Properties for Sale
Calculations provided by Reliance Network

10451 Rainier Avenue S History

Date Event Value Agent
4/27/2026Source: NWMLS Added to Database
April 27, 2026
Joseph Ho & Martin Ho
Listing Agent