Emma Lazo

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Listing provided courtesy of John L. Scott, Inc.NWMLSas Distributed by MLSGrid- MLS# NWM2520530MLS Provider

7204 78Th Avenue SEMercer Island, WA 98040

Single Family · 4 Beds · 1 Full Bath · 1 Half Bath · 3,040 Sq. ft. | 0.50 Acres
$2,099,000 Active

7204 78Th Avenue SE Overview

Visits:
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Exceptional Development Opportunity on Mercer Island. A generous 22,000 sq ft corner lot in one of MI’s most desirable neighborhoods. Site Development permitting is in process. The lot’s regular shape supports optimal design flexibility, allowing future homes to maximize the 40% FAR. Enjoy an unbeatable location just minutes from the lake, parks, shopping, and top-rated schools—all within walking distance. An existing home on the property has been modestly updated. Whether you’re a builder, investor, or homeowner with vision, this is a prime opportunity to capitalize on the scarcity of developable land on MI. Bring your team and start the permitting process.

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7204 78Th Avenue SE Facts & Features

  • Type Single Family
  • Sq. ft. 3,040
  • Price/Sq.ft. $690
  • Lot 0.50 Acres

Details

General

Association/HOA

  • Association Fee: $0.00

School Information

  • School District: Mercer Island

Building Information

  • New Construction: No
  • Year Built: 1958

Location/Region

  • Country: US
  • County Or Parish: King
  • MLS Area Major: 510 - Mercer Island
  • Subdivision Name: South End

Rent/Lease Information

  • Land Lease: No

Tax Information

  • Tax Annual Amount: $12,852.00
  • Tax Year: 2025

General Information

  • Listing Terms: Cash
  • Parcel Number: 2524049068
  • Property Sub Type: Single Family Residence
  • Property Type: Residential
  • Senior Community: No
  • Special Listing Conditions: None

Interior

Building Information

  • Building Information: Built On Lot

Parking Information

  • Garage: Yes

Beds/Baths

  • Bathrooms Full: 1
  • Bathrooms Half: 1
  • Bathrooms Three Quarter: 0
  • Bathrooms Total: 2
  • Bedrooms Total: 4
  • Bedrooms Lower: 1
  • Bedrooms Upper: 0

Building Interior

  • Building Area Total: 3040
  • Building Area Units: Square Feet
  • Calculated Square Footage: 3040
  • Square Footage Finished: 2260
  • Square Footage Unfinished: 780

General Information

  • Basement: Daylight, Partially Finished
  • Cooling: No
  • Entry Location: Main
  • Fireplace Features: Wood Burning
  • Fireplace: Yes
  • Fireplaces Total: 2
  • Heating: Yes
  • Interior Features: Fireplace
  • Levels: One
  • Living Area: 2260
  • Main Level Bathrooms: 1
  • Main Level Bedrooms: 3
  • Power Production Type: Electric,Oil,Wood

Exterior

Parking Information

  • Open Parking: No
  • Parking Features: Attached Garage
  • Parking Total: 2

Lot Information

  • Irrigation Water Rights: No
  • Lot Features: Corner Lot, Value In Land
  • Lot Size Acres: 0.505
  • Lot Size Square Feet: 22000
  • Lot Size Units: Square Feet
  • Site Features: Deck, Gas Available
  • Topography: Partial Slope
  • Vegetation: Garden Space
  • Elevation Units: Feet
  • Water Source: Public

Waterfront/View

  • Waterfront: No

Building Exterior/Construction

  • Attached Garage: Yes
  • Roof: Composition
  • Structure Type: House

General Information

  • Carport: No
  • Covered Spaces: 2
  • Exterior Features: Wood Products
  • Sewer: Sewer Connected

Room Information

Room: Bathroom Half

  • Level: Lower

Room: Bedroom

  • Level: Lower

Room: Bonus Room

  • Level: Lower

Room: Den/Office

  • Level: Lower

Room: Family Room

  • Level: Lower

Room: Utility Room

  • Level: Lower

Room: Bathroom Full

  • Level: Main

Room: Bedroom

  • Level: Main

Room: Bedroom

  • Level: Main

Room: Bedroom

  • Level: Main

Room: Dining Room

  • Level: Main

Room: Entry Hall

  • Level: Main

Room: Kitchen Without Eating Space

  • Level: Main

Room: Living Room

  • Level: Main

7204 78Th Avenue SE Neighborhood

Community

98040 (MERCER ISLAND) Demographics

46
Median Age
2,001
Population Density (per sq. mile)
82%
College Educated
$150,506
Estimated Median Income
6,779
Estimated Total Home Owners
3,349
Estimated Total Renters
67% / 33%
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.

7204 78Th Avenue SE 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.

7204 78Th Avenue SE Market Data

Based on the last 30 days in this zip code

$4,213,533
Average List Price
$1,190
Average Price per Square Foot
19
Properties Sold
60
Average Days on Market
107
Properties for Sale
Calculations provided by Reliance Network

7204 78Th Avenue SE History

Date Event Value Agent
5/8/2026Source: NWMLS Added to Database
May 08, 2026
6/20/2022Source: NWMLS Added to Database
June 01, 2021
11/9/2021Source: NWMLS Status Change
Sold