24603 Old Mill Rd SW is a 2,670 square foot house on a 7.33 acre lot with 3 bedrooms and 2.5 bathrooms. - it last sold on March 09, 1990 for $372,500. Based on Redfin's Vashon data, we estimate the home's value is $1,480,340.
Single-familyProperty Type
1985Year Built
7.33 acresLot Size
$554Est. Price/Sq.Ft.
Source:Public Records
Redfin Estimate
$1,480,340
$1.1M since sold in March 1990$87K since August
Recently sold homes
Estimate history
Homes for sale
This home's estimate is 14.7% higher than the average sale price ($1.29M) of 6 comparable homes.
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Permits
May 2, 2013 • Final
Building mechanical residential
Install a new Trane heat pump.
Heat pump
HVAC
Jul 3, 2012 • Final
Residential building - addition-improvement
Construct a detached accessory guest facility.
ADU
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: 960
Basement Finish: Finished
Bathroom Information
# of Full Baths: 2
# of 1/2 Baths: 1
Heating & Cooling
Heating Fuel Type: Electric
Heating Type: Heat Pump
Fireplace Information
# of Fireplaces: 1
Has Fireplace
Exterior
Exterior Information
Physical Condition: Average
Building Construction Quality: Good
Building Type: Single Family
Property Information
Living Sq. Ft: 2,670
Ground Floor Sq. Ft: 1,610
Building Sq. Ft: 3,210
# of Stories: 1.5
Legal Description: S 2/3 OF N 3/4 OF E 1/2 OF SE 1/4 OF NW 1/4 LESS S 165 FT THOF LESS CO RD CLASSIFIED AS OPEN SPACE LAND UNDER CHAPTER 84.34 RCW PLAT BLOCK: PLAT LOT:
Lot Information
# of Buildings: 2
Land Sq. Ft: 319,257
Municipality Name: KING COUNTY
Acres: 7.3291
Zoning Code: RA10SO
County Use Description: SINGLE FAMILY(RES USE/ZONE)
Utility Information
Sewer Type: Private
Water Service Type: Private
Financial
Assessor Information
Assessment Year: 2025
Public facts
Beds: 3
Baths: 2.5
Sq. Ft.: 2,670
Stories: 1.5
Lot Size: 7.33 acres
Style: Single Family Residential
Year Built: 1985
Year Renovated: —
County: King County
APN: 242202 9086
Home facts updated by county records on Jul 6, 2026
Around this home
Schools
Chautauqua Elementary School
Public PreK-5 • Assigned • 3.6mi
8/10
Mcmurray Middle School
Public 6-8 • Assigned • 3.6mi
8/10
Vashon Island High School
Public 9-12 • Assigned • 3.2mi
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
2/10 Heat Factor
6 days above 87° expected this year, 13 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)
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77
55
76
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70
54
59
47
51
43
48
41
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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
$1.41M – $1.70M
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