Google street view image for 5205 Butterworth Rd, Mercer Island, WA 98040

OFF MARKET

$2,134,964

•

1 ba

•

1,690

sq ft

5205 Butterworth Rd, Mercer Island, WA 98040

About this home

5205 Butterworth Rd is a 1,690 square foot house on a 1.91 acre lot with 3 bedrooms and 1 bathroom. Based on Redfin's Mercer Island data, we estimate the home's value is $2,134,964.

Single-familyProperty Type

1949Year Built

1.91 acresLot Size

$1,263Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$2,134,964

$6,000 since August

Recently sold homes
Estimate history
Homes for sale

This home's estimate is 19.9% higher than the average sale price ($1.78M) of 6 comparable homes.

SOLD NOV 21, 2025
$1,370,000
A
3 beds1.5 baths1,920 sq ft
6 Lindley Rd, Mercer Island, WA 98040
SOLD MAR 31, 2026
$1,690,000
B
3 beds2 baths1,580 sq ft
4514 Ferncroft Rd, Mercer Island, WA 98040
SOLD JUL 1, 2026
$2,000,000
C
4 beds2.5 baths2,471 sq ft
4648 89th Ave SE, Mercer Island, WA 98040
SOLD JAN 30, 2026
$1,635,000
D
4 beds3 baths2,940 sq ft
5019 E Mercer Way, Mercer Island, WA 98040
SOLD JUL 28, 2026
$2,215,000
E
4 beds2.5 baths2,250 sq ft
4712 90th Ave SE, Mercer Island, WA 98040
SOLD FEB 17, 2026
$1,770,000
F
3 beds2 baths2,130 sq ft
4869 90th Pl SE, Mercer Island, WA 98040

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Earn from this home

Sell

$1,981,534

Est. take-home

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Rent

$3,788/mo

Redfin rental estimate

List your home for rent

Market trends in 98040, WA

Last updated August 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-List Price

98.8%

+0.5% MoM

Median sale price

$2.4M

$51K MoM

Avg. days on market

0 days MoM

Recently sold homes

12 MoM

New listings for sale

OPEN SAT, 1:30PM TO 3:30PM
$7,650,000
6 beds5.5 baths6,670 sq ft
8279 W Mercer Way, Mercer Island, WA 98040
Mei Young • MY International Real Estate
OPEN SAT, 10AM TO 12PM
$2,350,000
4 beds3 baths3,240 sq ft
3515 72nd Ave SE, Mercer Island, WA 98040
Sarah Ford • Coldwell Banker Bain
OPEN SAT, 12PM TO 3PM
$2,850,000
5 beds4 baths3,900 sq ft
6924 96th Ave SE, Mercer Island, WA 98040
Lori Scott • John L. Scott, Inc.
OPEN SAT, 12PM TO 3PM
$3,395,000
4 beds3.5 baths4,380 sq ft
7560 86th Ave SE, Mercer Island, WA 98040
Lori Scott • John L. Scott, Inc.
OPEN FRI, 4PM TO 6PM
$4,250,000
4 beds3.5 baths4,310 sq ft
9221 SE 46th St, Mercer Island, WA 98040
Chris Koehler • COMPASS
OPEN SAT, 1PM TO 3PM
$2,200,000
4 beds2.5 baths3,200 sq ft
8410 SE 47th Pl, Mercer Island, WA 98040
Lisa Novak • Windermere Real Estate/East
OPEN SEP 12, 1PM TO 3PM
$1,720,000
3 beds2 baths2,153 sq ft
8218 SE 36th St, Mercer Island, WA 98040
Maureen Khan • Coldwell Banker Bain
$2,100,000
4 beds2.5 baths3,120 sq ft
7921 E Mercer Way, Mercer Island, WA 98040
Grace Currier • Windermere Real Estate/East
OPEN SAT, 12PM TO 3PM
$3,785,000
4 beds4.5 baths5,140 sq ft
4715 81st Ave SE, Mercer Island, WA 98040
Lori Scott • John L. Scott, Inc.
$409,000
2 beds1 bath866 sq ft
3055 80th Ave SE #107, Mercer Island, WA 98040
Gerald Chew • Coldwell Banker Bain
See all

Provided by Redfin

Sale history for 5205 Butterworth Rd

As the MLS and public records start to fill up, we'll list the details here.

Year

Property tax

Land + Additions

Assessment*

2026

$17,485 (+1.7%)

$2,672,000 + $10,000

$2,682,000

2025

$17,191 (+1.3%)

$2,672,000 + $10,000

$2,682,000

2024

$16,978 (+0.4%)

$2,126,000 + $498,000

$2,624,000

2023

$16,917 (+11.4%)

$2,006,000 + $459,000

$2,465,000

2022

$15,184 (+4.2%)

$2,257,000 + $500,000

$2,757,000

2021

$14,575 (+12.0%)

$1,858,000 + $203,000

$2,061,000

2020

$13,010 (+7.2%)

$1,770,000 + $50,000

$1,820,000

2019

$12,136 (−4.3%)

$1,604,000 + $10,000

$1,614,000

2018

$12,681 (+16.5%)

$1,604,000 + $10,000

$1,614,000

2017

$10,887 (+7.5%)

$1,451,000 + $10,000

$1,461,000

2016

$10,128 (+3.3%)

$1,327,000 + $10,000

$1,337,000

2015

$9,803 (−5.4%)

$1,201,000 + $10,000

$1,211,000

2014

$10,363 (+4.9%)

$1,110,000 + $10,000

$1,120,000

2013

$9,883 (+5.4%)

$1,055,000 + $79,000

$1,134,000

2012

$9,378 (+1.0%)

$973,000 + $73,000

$1,046,000

2011

$9,288 (+6.7%)

$1,073,000 + $9,000

$1,082,000

2010

$8,707 (−8.5%)

$1,105,000 + $9,000

$1,114,000

2009

$9,515

$1,370,000 + $10,000

$1,380,000

Tax history for 5205 Butterworth Rd

Year

Property tax

Land + Additions

Assessment*

2026

$17,485 (+1.7%)

$2,672,000 + $10,000

$2,682,000

2025

$17,191 (+1.3%)

$2,672,000 + $10,000

$2,682,000

2024

$16,978 (+0.4%)

$2,126,000 + $498,000

$2,624,000

2023

$16,917 (+11.4%)

$2,006,000 + $459,000

$2,465,000

2022

$15,184 (+4.2%)

$2,257,000 + $500,000

$2,757,000

2021

$14,575 (+12.0%)

$1,858,000 + $203,000

$2,061,000

2020

$13,010 (+7.2%)

$1,770,000 + $50,000

$1,820,000

2019

$12,136 (−4.3%)

$1,604,000 + $10,000

$1,614,000

2018

$12,681 (+16.5%)

$1,604,000 + $10,000

$1,614,000

2017

$10,887 (+7.5%)

$1,451,000 + $10,000

$1,461,000

2016

$10,128 (+3.3%)

$1,327,000 + $10,000

$1,337,000

2015

$9,803 (−5.4%)

$1,201,000 + $10,000

$1,211,000

2014

$10,363 (+4.9%)

$1,110,000 + $10,000

$1,120,000

2013

$9,883 (+5.4%)

$1,055,000 + $79,000

$1,134,000

2012

$9,378 (+1.0%)

$973,000 + $73,000

$1,046,000

2011

$9,288 (+6.7%)

$1,073,000 + $9,000

$1,082,000

2010

$8,707 (−8.5%)

$1,105,000 + $9,000

$1,114,000

2009

$9,515

$1,370,000 + $10,000

$1,380,000

*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.

Zoning

R-15

Single-Family Residential District

The purpose of the residential chapter is to identify land uses and to establish development standards that are appropriate within the residential zoning designations. The development standards provide a framework for a site to be developed consistent with the policy direction of the adopted Mercer Island Comprehensive Plan.

Permitted uses

Include but are not limited to:

Religious facility
Housing-Single unit
Educational/school
Recreation
Park & open space

Property details

Interior

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Heat Pump

Fireplace Information
# of Fireplaces: 1
Has Fireplace

Exterior

Exterior Information
Physical Condition: Average
Building Construction Quality: Average
Building Type: Single Family

View Information
View: City

Property Information
Subdivision Name: SP MI-78-4-018
Living Sq. Ft: 1,690
Ground Floor Sq. Ft: 1,450
Building Sq. Ft: 1,690
# of Stories: 1.5
Legal Description: LOT A MI SP # MI-78-4-018 REC # 8003041151 SD SP DAF POR N 150 FT OF GL 2 SEC 19-24-05: BEG NE COR SD LOT 2 TH W ALG N LN SD LOT 2 TO NXN WITH SELY MGN MERCER WAY TH IN A WLY DIRECTION ALG SD SELY MGN TO NXN WITH NLY MGN WALTER B BUTTERWORTH REV RD TH ELY & SELY ALG SD RD MGN TO ITS NXN WITH S LN OF N 150 FT SD LOT TH E ALG SD S LN TO ELY LN SD LOT TH NLY ALG SD ELY LN TO POB LESS CO RD PLAT BLOCK: PLAT LOT:

Parking & Garage Information
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 570
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 83,200
Legal Lot Number: A
School Tax District: MERCER ISLAND #400
Municipality Name: MERCER ISLAND
Acres: 1.91
Zoning Code: R15
County Use Description: SINGLE FAMILY(RES USE/ZONE)

Utility Information
Sewer Type: Public
Water Service Type: Public

Financial

Assessor Information
Assessment Year: 2025

Public facts

Beds: 3
Baths: 1.0
Sq. Ft.: 1,690
Stories: 1.5
Lot Size: 1.91 acres
Style: Single Family Residential
Year Built: 1949
Year Renovated: 1997
County: King County
APN: 192405 9061

Home facts updated by county records on Jul 6, 2026

Around this home

Schools

Island Park Elementary School

Public K-5 • Assigned • 0.6mi

9/10

Islander Middle School

Public 6-8 • Assigned • 1.5mi

9/10

Mercer Island High School

Public 9-12 • Assigned • 1.2mi

10/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

3/10 Heat Factor

7 days above 87° expected this year, 15 days in 30 years

1/10 Wind Factor

Minimal risk of severe winds over next 30 years

7/10 Air Factor

10 unhealthy days expected this year, 12 days in 30 years

Provided by First Street

Historical weather

Mercer Island, WA • 98040

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

In this area, properties receive around 8.8 hours in June and 1.7 hours in December, placing it below the U.S. average for solar exposure.

8.8 hrs

1.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$2.03M – $2.46M

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Nearby similar homes

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Lori Scott • John L. Scott, Inc.

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OPEN FRI, 4PM TO 6PMVIDEO TOUR

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Chris Koehler • COMPASS

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Lisa Novak • Windermere Real Estate/East

OPEN SEP 12, 1PM TO 3PM

$1,720,000

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Maureen Khan • Coldwell Banker Bain

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Grace Currier • Windermere Real Estate/East

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Home values near 5205 Butterworth Rd

Data from public records.

Address	Redfin Estimate
5335 Butterworth Rd, Mercer Island, WA 5 Beds \| 3 Baths \| 3810 Sq. Ft.	$2,982,392
5044 Butterworth Rd, Mercer Island, WA 6 Beds \| 7 Baths \| 9640 Sq. Ft.	$9,134,996

Address	Redfin Estimate
5060 Butterworth Rd, Mercer Island, WA 4 Beds \| 3.5 Baths \| 3780 Sq. Ft.	$4,906,322
5220 Butterworth Rd, Mercer Island, WA 4 Beds \| 3.5 Baths \| 3280 Sq. Ft.	$2,709,230

Address	Redfin Estimate
5319 Butterworth Rd, Mercer Island, WA 4 Beds \| 2.5 Baths \| 2220 Sq. Ft.	$1,806,366
5320 Butterworth Rd, Mercer Island, WA 5 Beds \| 9.5 Baths \| 14940 Sq. Ft.	$14,589,188

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GreatSchools Ratings provided by GreatSchools.org.

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About this home

Redfin Estimate

Earn from this home

Market trends in 98040, WA

Sale history for 5205 Butterworth Rd

Tax history for 5205 Butterworth Rd

Zoning

Property details

Around this home

Schools

Lifestyle

Climate risks

Historical weather

Sun exposure

Nearby similar homes

New listings for sale in 98040

Home values near 5205 Butterworth Rd

More real estate resources