515 N 40th St is a 2,990 square foot house on a 4,800 square foot lot with 6 bedrooms and 2 bathrooms. - it last sold on June 10, 1983 for $52,500. Based on Redfin's Seattle data, we estimate the home's value is $1,400,940.
Single-familyProperty Type
1900Year Built
4,800 sq ftLot Size
$469Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,400,940
$1.3M since sold in June 1983$11K since September
Recently sold homes
Estimate history
This home's estimate is 13.1% higher than the average sale price ($1.24M) of 6 comparable homes.
Kimberly Striker Hall • Windermere Real Estate Co.
See all
Provided by Redfin
Sale history for 515 N 40th St
Date
Event
Price
Public Records
Jun 10, 1983
Sold
$52,500
$18/sq ft
Public Records
Oct 1, 1982
Sold
$100,000
$33/sq ft
Year
Property tax
Land + Additions
Assessment*
2026
$15,403 (+27.0%)
$704,000 + $777,000
$1,481,000
2025
$12,130 (+5.2%)
$704,000 + $777,000
$1,481,000
2024
$11,534 (+3.2%)
$767,000 + $477,000
$1,244,000
2023
$11,172 (+8.4%)
$756,000 + $458,000
$1,214,000
2022
$10,302 (+4.7%)
$675,000 + $638,000
$1,313,000
2021
$9,839 (+2.3%)
$590,000 + $522,000
$1,112,000
2020
$9,615 (+3.0%)
$492,000 + $515,000
$1,007,000
2019
$9,338 (−2.3%)
$364,000 + $715,000
$1,079,000
2018
$9,558 (+16.1%)
$364,000 + $715,000
$1,079,000
2017
$8,229 (+5.9%)
$324,000 + $637,000
$961,000
2016
$7,773 (+12.6%)
$291,000 + $563,000
$854,000
2015
$6,901 (+2.9%)
$269,000 + $519,000
$788,000
2014
$6,705 (+31.8%)
$244,000 + $471,000
$715,000
2013
$5,086 (+3.6%)
$215,000 + $413,000
$628,000
2012
$4,912 (+4.0%)
$240,000 + $223,000
$463,000
2011
$4,724 (+7.0%)
$240,000 + $230,000
$470,000
2010
$4,414 (−5.7%)
$240,000 + $230,000
$470,000
2009
$4,682
$283,000 + $284,000
$567,000
Tax history for 515 N 40th St
Year
Property tax
Land + Additions
Assessment*
2026
$15,403 (+27.0%)
$704,000 + $777,000
$1,481,000
2025
$12,130 (+5.2%)
$704,000 + $777,000
$1,481,000
2024
$11,534 (+3.2%)
$767,000 + $477,000
$1,244,000
2023
$11,172 (+8.4%)
$756,000 + $458,000
$1,214,000
2022
$10,302 (+4.7%)
$675,000 + $638,000
$1,313,000
2021
$9,839 (+2.3%)
$590,000 + $522,000
$1,112,000
2020
$9,615 (+3.0%)
$492,000 + $515,000
$1,007,000
2019
$9,338 (−2.3%)
$364,000 + $715,000
$1,079,000
2018
$9,558 (+16.1%)
$364,000 + $715,000
$1,079,000
2017
$8,229 (+5.9%)
$324,000 + $637,000
$961,000
2016
$7,773 (+12.6%)
$291,000 + $563,000
$854,000
2015
$6,901 (+2.9%)
$269,000 + $519,000
$788,000
2014
$6,705 (+31.8%)
$244,000 + $471,000
$715,000
2013
$5,086 (+3.6%)
$215,000 + $413,000
$628,000
2012
$4,912 (+4.0%)
$240,000 + $223,000
$463,000
2011
$4,724 (+7.0%)
$240,000 + $230,000
$470,000
2010
$4,414 (−5.7%)
$240,000 + $230,000
$470,000
2009
$4,682
$283,000 + $284,000
$567,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
Jan 7, 2026 • Final
Electrical permit: over the counter
Remove and replace a gas furnace and low voltage wiring for a thermostat.
Electrical
Gas
HVAC
Nov 3, 2025 • Active
Single-family/duplex furnace
Remove and replace a gas furnace and low voltage wiring for a thermostat.
HVAC
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: 1,290
Basement Finish: Finished
Basement Type: Daylight
Bathroom Information
# of Full Baths: 2
Heating & Cooling
Heating Fuel Type: Gas
Heating Type: Gravity
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Average
Building Type: Single Family
Property Information
Subdivision Name: DAYS B F 1ST ADD
Living Sq. Ft: 2,990
Ground Floor Sq. Ft: 1,290
Building Sq. Ft: 2,990
# of Stories: 2
Legal Description: DAYS B F 1ST ADD PLAT BLOCK: 5 PLAT LOT: 15
Lot Information
# of Buildings: 1
Land Sq. Ft: 4,800
Legal Lot Number: 15
Legal Block Number: 5
School Tax District: SEATTLE #1
Municipality Name: SEATTLE
Acres: 0.1102
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: 6
Baths: 2.0
Sq. Ft.: 2,990
Stories: 2.0
Lot Size: 4,800 square feet
Style: Single Family Residential
Year Built: 1900
Year Renovated: 1993
County: King County
APN: 193030 0430
Home facts updated by county records on Sep 5, 2026
Around this home
Schools
B F Day Elementary School
Public PreK-5 • Assigned • 0.1mi
9/10
Hamilton International Middle School
Public 6-8 • Assigned • 0.7mi
8/10
Lincoln High School
Public 9-12 • Assigned • 0.6mi
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 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
10 unhealthy days expected this year, 11 days in 30 years
Provided by First Street
Historical weather
Seattle, WA • 98103
Average low and high temperatures (°F)
47
38
49
39
53
42
61
45
67
50
73
55
77
58
77
60
72
56
60
49
52
44
49
42
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
$1.33M – $1.61M
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