Google street view image for 4123 40th Ave SW, Seattle, WA 98116

Off market jul 1992 for $137K

$830,435

Est. refi paymentEst. refi $1,046/mo

•

1 ba

•

1,310

sq ft

4123 40th Ave SW, Seattle, WA 98116

About this home

4123 40th Ave SW is a 1,310 square foot house on a 5,175 square foot lot with 3 bedrooms and 1 bathroom. - it last sold on July 31, 1992 for $137,500. Based on Redfin's Seattle data, we estimate the home's value is $830,435.

Single-familyProperty Type

1952Year Built

5,175 sq ftLot Size

$634Est. Price/Sq.Ft.

Source:Public Records

Redfin Estimate

$830,435

$693K since sold in July 1992$4,000 since September

Recently sold homes
Estimate history

This home's estimate is 5.8% lower than the average sale price ($882K) of 6 comparable homes.

SOLD AUG 5, 2026
$795,000
A
3 beds1 bath1,090 sq ft
4854 47th Ave SW, Seattle, WA 98116
Listing provided by nwmls
SOLD SEP 11, 2026
$799,950
B
2 beds1.5 baths1,640 sq ft
4153 39th Ave SW, Seattle, WA 98116
Listing provided by nwmls
SOLD JUL 28, 2026
$1,107,000
C
3 beds2 baths1,560 sq ft
4022 37th Ave SW, Seattle, WA 98126
Listing provided by nwmls
SOLD FEB 12, 2026
$825,000
D
3 beds1 bath930 sq ft
3433 38th Ave SW, Seattle, WA 98126
Listing provided by nwmls
BOUGHT WITH REDFIN AUG 13, 2026
$875,000
E
3 beds1 bath1,690 sq ft
3715 Walnut Ave SW, Seattle, WA 98116
Listing provided by nwmls
SOLD BY REDFIN JUN 30, 2026
$890,000
F
3 beds2 baths1,050 sq ft
4718 48th Ave SW, Seattle, WA 98116
Listing provided by nwmls

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Sell

$770,148

Est. take-home

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Refinance

Est. cash available

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Rent

$3,309/mo

Redfin rental estimate

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Market trends in Genesee, WA

Last updated September 2026

Buyer's Market

Seller's Market

Seller's market

Sale-to-list price

102.3%

+0.3% MoM

Median sale price

$929K

$47K MoM

Avg. days on market

10d

4 days MoM

Recently sold homes

8 MoM

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James Dainard • Heaton Dainard, LLC
See all

Provided by Redfin

Sale history for 4123 40th Ave SW

Year

Property tax

Land + Additions

Assessment*

2026

$8,883 (+12.4%)

$586,000 + $237,000

$823,000

2025

$7,900 (+9.9%)

$586,000 + $237,000

$823,000

2024

$7,186 (+6.8%)

$586,000 + $198,000

$784,000

2023

$6,729 (+2.3%)

$516,000 + $197,000

$713,000

2022

$6,575 (+2.6%)

$354,000 + $390,000

$744,000

2021

$6,409 (+2.2%)

$328,000 + $343,000

$671,000

2020

$6,270 (+10.4%)

$306,000 + $316,000

$622,000

2019

$5,677 (−0.3%)

$307,000 + $314,000

$621,000

2018

$5,695 (+10.5%)

$307,000 + $314,000

$621,000

2017

$5,152 (+7.2%)

$270,000 + $274,000

$544,000

2016

$4,804 (+12.1%)

$253,000 + $256,000

$509,000

2015

$4,286

$229,000 + $235,000

$464,000

2014

$4,288 (+7.6%)

$207,000 + $216,000

$423,000

2013

$3,985 (−1.2%)

$207,000 + $178,000

$385,000

2012

$4,035 (+4.8%)

$190,000 + $161,000

$351,000

2011

$3,849 (+7.2%)

$236,000 + $137,000

$373,000

2010

$3,591 (−3.5%)

$236,000 + $137,000

$373,000

2009

$3,722

$249,000 + $191,000

$440,000

Tax history for 4123 40th Ave SW

Year

Property tax

Land + Additions

Assessment*

2026

$8,883 (+12.4%)

$586,000 + $237,000

$823,000

2025

$7,900 (+9.9%)

$586,000 + $237,000

$823,000

2024

$7,186 (+6.8%)

$586,000 + $198,000

$784,000

2023

$6,729 (+2.3%)

$516,000 + $197,000

$713,000

2022

$6,575 (+2.6%)

$354,000 + $390,000

$744,000

2021

$6,409 (+2.2%)

$328,000 + $343,000

$671,000

2020

$6,270 (+10.4%)

$306,000 + $316,000

$622,000

2019

$5,677 (−0.3%)

$307,000 + $314,000

$621,000

2018

$5,695 (+10.5%)

$307,000 + $314,000

$621,000

2017

$5,152 (+7.2%)

$270,000 + $274,000

$544,000

2016

$4,804 (+12.1%)

$253,000 + $256,000

$509,000

2015

$4,286

$229,000 + $235,000

$464,000

2014

$4,288 (+7.6%)

$207,000 + $216,000

$423,000

2013

$3,985 (−1.2%)

$207,000 + $178,000

$385,000

2012

$4,035 (+4.8%)

$190,000 + $161,000

$351,000

2011

$3,849 (+7.2%)

$236,000 + $137,000

$373,000

2010

$3,591 (−3.5%)

$236,000 + $137,000

$373,000

2009

$3,722

$249,000 + $191,000

$440,000

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

Permits

Apr 27, 2018 • Final

Single-family/duplex furnace

Install two fireplaces.

HVAC

Apr 27, 2018 • Final

Side sewer

Perform spot repairs on a residential building.

Plumbing

Permit history is from public records and may be incomplete or inaccurate. Redfin and its agents make no representations about the property condition or permit status. Buyers should independently verify all information.

Property details

Interior

Basement Information
Basement Sq. Ft: 670
Basement Finish: Finished

Bathroom Information
# of Full Baths: 1

Heating & Cooling
Heating Fuel Type: Oil
Heating Type: Forced Air

Fireplace Information
# of Fireplaces: 2
Has Fireplace

Exterior

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

Property Information
Subdivision Name: BOSTON COMPANYS OF W S
Living Sq. Ft: 1,310
Ground Floor Sq. Ft: 1,050
Building Sq. Ft: 1,720
# of Stories: 1
Legal Description: BOSTON COMPANYS PLAT OF W S S 20 FT OF 9 & ALL 10 PLAT BLOCK: 22 PLAT LOT: 9-10

Parking & Garage Information
Parking Type: Basement Garage
Garage/Parking Sq. Ft: 240
Garage / Carport Type: Basement

Lot Information
# of Buildings: 1
Land Sq. Ft: 5,175
Legal Lot Number: 9
Legal Block Number: 22
School Tax District: SEATTLE #1
Municipality Name: SEATTLE
Acres: 0.1188
Zoning Code: NR3
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.: 1,310
Stories: 1.0
Lot Size: 5,175 square feet
Style: Single Family Residential
Year Built: 1952
Year Renovated: —
County: King County
APN: 095200 2864

Home facts updated by county records on Sep 5, 2026

Around this home

Schools

Genesee Hill Elementary School

Public K-5 • Assigned • 0.6mi

9/10

Madison Middle School

Public 6-8 • Assigned • 0.6mi

9/10

West Seattle High School

Public 9-12 • Assigned • 0.7mi

7/10

Provided by GreatSchools

Lifestyle

Provided by Walk Score and Local Logic

Local insights from Redfin agents

Seattle is known for its iconic waterfront, vibrant neighborhoods, and amazing dining! I love Pike Place Market, Discovery Park, and Ballard's shops and restaurants. From Queen Anne's historic homes to Capitol Hill's modern condos, each neighborhood...
2 days ago • Seattle
Shauna Rumel
Redfin agent
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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 86° 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

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

Provided by First Street

Historical weather

Seattle, WA • 98116

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 8.7 hours in June and 1.7 hours in December, placing it below the U.S. average for solar exposure.

8.7 hrs

1.7 hrs

JuneDecember

Provided by Shadowmap

Estimated sale price

$789,000 – $956,000

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