6357 40th Ave SW is a 460 square foot house on a 5,400 square foot lot with 1 bedroom and 1 bathroom. - it last sold on June 02, 2017 for $350,000. Based on Redfin's Seattle data, we estimate the home's value is $435,719.
Single-familyProperty Type
1919Year Built
5,400 sq ftLot Size
$947Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$435,719
$86K since sold in June 2017$15K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 33.6% lower than the average sale price ($657K) of 5 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Apr 14, 2022 • Final
Construction
Construct a new single-family home with an accessory dwelling unit in the basement.
ADU
New construction
Sep 23, 2020 • Final
Demolition
Demolish an existing single-family home subject to field inspection.
Demolition
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: 460
Bathroom Information
# of Full Baths: 1
Heating & Cooling
Heating Fuel Type: Oil
Heating Type: Forced Air
Exterior
Exterior Information
Physical Condition: Average
Building Construction Quality: Fair
Building Type: Single Family
Property Information
Subdivision Name: BIRDLE HEIGHTS ADD
Living Sq. Ft: 460
Ground Floor Sq. Ft: 460
Building Sq. Ft: 920
# of Stories: 1
Legal Description: BIRDLE HEIGHTS ADD 16 & S 5 FT OF 17 PLAT BLOCK: 3 PLAT LOT: 16-17
Lot Information
# of Buildings: 1
Land Sq. Ft: 5,400
Legal Lot Number: 16
Legal Block Number: 3
School Tax District: SEATTLE #1
Municipality Name: SEATTLE
Acres: 0.124
Zoning Code: LR1 (M1)
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: 1
Baths: 1.0
Sq. Ft.: 460
Stories: 1.0
Lot Size: 5,400 square feet
Style: Single Family Residential
Year Built: 1919
Year Renovated: —
County: King County
APN: 082600 0370
Home facts updated by county records on Sep 5, 2026
Around this home
Schools
Gatewood Elementary School
Public K-5 • Assigned • 0.4mi
7/10
Madison Middle School
Public 6-8 • Assigned • 2.0mi
9/10
West Seattle High School
Public 9-12 • Assigned • 2.2mi
7/10
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 86° expected this year, 15 days in 30 years
1/10 Wind Factor
Minimal risk of severe winds over next 30 years
6/10 Air Factor
8 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Seattle, WA • 98136
Average low and high temperatures (°F)
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38
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45
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70
56
59
49
51
44
49
42
Jan
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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
$414,000 – $502,000
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