Listed by Jim Marsh • John L. Scott Vashon. Bought with Vashon Isl. Sotheby's Int'l RE.
Sold on May 2026
$489,000
Land
•
15.24
acres (lot)
20825 Old Mill Rd SW, Vashon, WA 98070
Is this your home?
Track this home’s value and nearby sales activity
About this home
Privacy and sun on 15 acres of primitive forest land perfect for creating your own Pacific Northwest sanctuary. Located on the very private Old Mill Road. This property offers over 12 flat acres big enough for potential building site, septic and a well. Critical Area Designation completed showing a large buildable space. Excellent septic feasibility study completed and neighbouring properties have successful well sites. Rare opportunity on Vashon to build your home from the ground up. Embrace the opportunity to cultivate your own homestead with timber from the land or trade for site clearing. Bring hiking boots to walk the trails to get to know the land.
Vacant landProperty Type
15.24 acresLot Size
$32,087Price/Acres
Listed by Jim Marsh• John L. Scott Vashon
Bought with David Knight• Vashon Isl. Sotheby's Int'l RE
Slope Comment: NE Corner has a gully w/ seasonal creek
Zoning Jurisdiction: County
Lot Features: Secluded
Lot Size Units: Square Feet
Lot Size Acres: 15.24
Elevation Units: Feet
Road Surface Type: Gravel
Road Responsibility: Private Maintained Road
Financial
Tax Information
Tax Annual Amount: $5,080
Tax Year: 2025
Financial Information
Listing Terms: Cash, Conventional
Buyer Financing: Conventional
Utilities
Utility Information
Water Source: Well Needed
Electricity Status: Not Available
Sewer: Not Available
Septic Design Applied: false
Septic Design Installed: false
Utilities: Electricity Not Available
Gas Status: Not Available
Location
School Information
Elementary School: Chautauqua Elem
Middle Or Junior High School: Mcmurray Mid
High School: Vashon Isl High
High School District: Vashon Island
Location Information
Directions: Vashon Hwy, Lft onto 204th, left onto Old Mill Rd, property starts at .03 miles from 204th. Hiking trail located at south border of property.
Topography: Gullies,Level,See Remarks
Community Information
Senior Exemption: false
Public facts
Beds: —
Baths: —
Sq. Ft.: —
Stories: —
Lot Size: —
Style: Vacant Land
Year Built: —
Year Renovated: —
County: King County
APN: 1222029010
Home facts updated by county records on Jun 13, 2023
Other
Listing Information
Buyer Brokerage Compensation: 3.25
Buyer Brokerage Compensation Type: %
Mls Status: Sold
Listing Date Information
On Market Date: Friday, April 3, 2026
Home Information
Calculated Square Footage: 0
Building Area Total: 0
Building Area Units: Square Feet
Structure Type: None
Around this home
Schools
Chautauqua Elementary School
Public PreK-5 • Assigned • 2.0mi
8/10
Mcmurray Middle School
Public 6-8 • Assigned • 2.0mi
8/10
Vashon Island High School
Public 9-12 • Assigned • 1.8mi
9/10
Provided by GreatSchools
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 86° expected this year, 12 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
76
58
70
54
59
47
51
43
48
41
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Sun exposure
94/ 100
Exceptional sunlight
Sunscore
This home ranks in the top 18% for direct sun exposure in the zip code. There appears to be minimal shading by surrounding buildings, terrain, and vegetation.
10.5 hrs
5.3 hrs
JuneDecember
Provided by Shadowmap
Estimated sale price
$403,000 – $488,000
Sell confidently with a local market expert in Vashon.