21524 Tramp Harbor Rd SW is a 1,410 square foot house on a 0.54 acre lot with 2 bedrooms and 2 bathrooms. Based on Redfin's Vashon data, we estimate the home's value is $782,583.
Single-familyProperty Type
1930Year Built
0.54 acresLot Size
$555Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$782,583
$16K since July
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 26.3% lower than the average sale price ($1.06M) of 6 comparable homes.
As the MLS and public records start to fill up, we'll list the details here.
Year
Property tax
Land + Additions
Assessment*
2026
$996 (+3.1%)
$344,000 + $406,000
$750,000
2025
$966 (−52.7%)
$344,000 + $406,000
$750,000
2024
$2,044 (+8.6%)
$323,000 + $406,000
$729,000
2023
$1,882 (−10.5%)
$83,100
2022
$2,103 (+0.3%)
$96,900
2021
$2,097 (+225.3%)
$74,200
2020
$645 (+3.5%)
$58,200
2019
$623 (+9.9%)
$55,800
2018
$567 (−89.8%)
$55,800
2017
$5,578 (+1.0%)
$45,900
2016
$5,525 (+23.4%)
$248,000 + $210,000
$458,000
2015
$4,478 (+3.6%)
$248,000 + $193,000
$441,000
2014
$4,322 (+4.3%)
$190,000 + $156,000
$346,000
2013
$4,142 (−4.8%)
$190,000 + $109,000
$299,000
2012
$4,352 (+1.8%)
$190,000 + $109,000
$299,000
2011
$4,274 (−2.3%)
$225,000 + $130,000
$355,000
2010
$4,374 (+12.5%)
$225,000 + $180,000
$405,000
2009
$3,887
$225,000 + $217,000
$442,000
Tax history for 21524 Tramp Harbor Rd SW
Year
Property tax
Land + Additions
Assessment*
2026
$996 (+3.1%)
$344,000 + $406,000
$750,000
2025
$966 (−52.7%)
$344,000 + $406,000
$750,000
2024
$2,044 (+8.6%)
$323,000 + $406,000
$729,000
2023
$1,882 (−10.5%)
$83,100
2022
$2,103 (+0.3%)
$96,900
2021
$2,097 (+225.3%)
$74,200
2020
$645 (+3.5%)
$58,200
2019
$623 (+9.9%)
$55,800
2018
$567 (−89.8%)
$55,800
2017
$5,578 (+1.0%)
$45,900
2016
$5,525 (+23.4%)
$248,000 + $210,000
$458,000
2015
$4,478 (+3.6%)
$248,000 + $193,000
$441,000
2014
$4,322 (+4.3%)
$190,000 + $156,000
$346,000
2013
$4,142 (−4.8%)
$190,000 + $109,000
$299,000
2012
$4,352 (+1.8%)
$190,000 + $109,000
$299,000
2011
$4,274 (−2.3%)
$225,000 + $130,000
$355,000
2010
$4,374 (+12.5%)
$225,000 + $180,000
$405,000
2009
$3,887
$225,000 + $217,000
$442,000
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Property details
Interior
Basement Information
Basement Sq. Ft: 320
Bathroom Information
# of Full Baths: 1
# of 3/4 Baths: 1
Heating & Cooling
Heating Fuel Type: Electric
Heating Type: Forced Air
Fireplace Information
# of Fireplaces: 2
Has Fireplace
Exterior
Exterior Information
Physical Condition: Good
Building Construction Quality: Average
Building Type: Single Family
View Information
View: City
Property Information
Subdivision Name: VASHON GARDENS ADD
Living Sq. Ft: 1,410
Ground Floor Sq. Ft: 1,410
Building Sq. Ft: 1,730
# of Stories: 1
Legal Description: VASHON GARDENS ADD LOT 2 KCSP 379165 REC AF #8104060492 SD SP DAF - LOT 14 SD SUBD TGW 2ND CL TD LAS ADJ LESS CO RD EXEMPT POR PER RCW 84.36.381-389 PLAT BLOCK: PLAT LOT: 14
Lot Information
# of Buildings: 2
Land Sq. Ft: 23,495
Legal Lot Number: 2
Municipality Name: KING COUNTY
Acres: 0.5394
Zoning Code: RA2.5
County Use Description: SINGLE FAMILY(RES USE/ZONE)
Utility Information
Sewer Type: Private
Water Service Type: Public
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 2
Baths: 2.0
Sq. Ft.: 1,410
Stories: 1.0
Lot Size: 0.54 acres
Style: Single Family Residential
Year Built: 1930
Year Renovated: —
County: King County
APN: 888600 0080
Home facts updated by county records on Jul 6, 2026
Around this home
Schools
Chautauqua Elementary School
Public PreK-5 • Assigned • 1.3mi
8/10
Mcmurray Middle School
Public 6-8 • Assigned • 1.4mi
8/10
Vashon Island High School
Public 9-12 • Assigned • 1.2mi
9/10
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
6/10 Air Factor
8 unhealthy days expected this year, 9 days in 30 years
Provided by First Street
Historical weather
Vashon, WA • 98070
Average low and high temperatures (°F)
46
37
47
38
52
41
60
44
65
48
71
52
77
55
75
57
70
54
59
47
51
43
48
41
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
$744,000 – $900,000
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