Listings/Vashon
SoldSingle Family Residence

23603 Old Mill Road SW

Vashon, WA 98070· Vashon Island

Sold

$1,550,000

Listed: $1,595,000

$45,000 below asking

Sale date: May 2, 2026

MLS# NWM2510507

4

Bedrooms

2.25

Bathrooms

3,020

Sq Ft

6.4412

Acres

151

Days on Market

23603 Old Mill Road SW photo 40
23603 Old Mill Road SW photo 1
23603 Old Mill Road SW photo 2
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Listed By:
Mary Margaret BriggsWindermere Vashon
Bought With:
Junior TorresWindermere RE Greenwood

About This Home

Rosebriar Farm on Vashon Island – Discover serenity and privacy within these 6+ gated acres set in a prime mid-island location. This beautifully crafted 4+ bedroom, 3 bath modern farmhouse showcases the renowned quality of Ed Palmer Construction. Soaring cedar-clad ceilings greet you at the entrance - sunlit interiors, a main-floor primary suite, and thoughtfully updated kitchen and baths check every box on your wish list. Enjoy seamless indoor-outdoor living with a spacious west-facing veranda and an expansive deck just off the kitchen. The exquisitely landscaped deer-fenced grounds feature a climbing-rose lined circular drive, stone terracing, and a kitchen garden with established berries, fruit trees, and raised vegetable beds. A charming small barn and sturdy chicken coop invite your hobby farm dreams. The property’s infrastructure is meticulously maintained, offering a newer detached garage, EV charging, automatic 60KW generator and 35-zone irrigation system. Surrounded by nature, the pristine 20-acre Fisher Forest adjoins the western property boundary. Experience the very best of Vashon Island living here.

Listing Updated: Jul 5, 2026, 11:03 AM UTC

Photos Updated: Apr 22, 2026

OnSite last checked: Sep 18, 2026, 2:19 AM UTC|Source: NWMLS as Distributed by MLS Grid #NWM2510507

Listing provided courtesy of Northwest MLS. Information contained herein is derived from different sources but has not been independently verified by OnSite Real Estate Group, MLS Grid, or the MLS, and should be verified by the buyer. Open house information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office or agent presenting the information.

Property Details

Property TypeSingle Family Residence
StyleHouse
Year Built1991
Living Area3,020 sqft
Lot Size280,579 sqft
Lot Acres6.4412 ac
Bedrooms4
Bathrooms2.25 (1 full, 1 three-quarter, 1 half)
Fireplaces2
Total Parking5
BasementPartially Finished
HeatingForced Air, Heat Pump, Radiant, Stove/Free Standing
CoolingHeat Pump
SewerSeptic Tank
WaterIndividual Well
FlooringCeramic Tile, Hardwood
RoofComposition
FoundationPoured Concrete
ViewTerritorial
WaterfrontYes
Annual Taxes$11,826 (2026)
Lot FeaturesAdjacent to Public Land, Paved, Secluded
Lot SourceKing County
ExtrasAthletic Court,Barn,Cabana/Gazebo,Cable TV,Deck,Dog Run,Electric Car Charging,Fenced-Partially,Gated Entry,High Speed Internet,Irrigation,Outbuildings,Propane
Days on Market151
ListedApril 21, 2026

Open House

APR

Thursday, April 23, 2026

7:00 PM9:00 PM

Public

APR

Thursday, April 23, 2026

7:00 PM9:00 PM

Broker

APR

Saturday, April 25, 2026

7:00 PM9:00 PM

Public

APR

Sunday, April 26, 2026

7:00 PM9:00 PM

Public

MAY

Saturday, May 2, 2026

7:00 PM9:00 PM

Public

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Listed By

MM

Mary Margaret Briggs

Windermere Vashon

206-463-9148

Bought With

JT

Junior Torres

Windermere RE Greenwood

Questions? Contact OnSite

AB

André Bohall

WA Lic. #25031564 · OnSite Real Estate Group

NWMLS Three Trees Logo

Listing data provided by NWMLS as distributed by MLS Grid. Data last refreshed: Sep 18, 2026, 2:19 AM UTC.

Based on information submitted to the MLS Grid as of Fri, Sep 18, 2026. All data is obtained from various sources and may not have been verified by broker or MLS Grid. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information.

IDX information is provided exclusively for consumers' personal noncommercial use, that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing, that the data is deemed reliable but is not guaranteed by MLS GRID, and that the use of the MLS GRID Data may be subject to an end user license agreement prescribed by the Member Participant's applicable MLS if any and as amended from time to time.

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