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23603 Old Mill Road SWVashon, WA 98070

For Sale

$1,595,000

Smart Buyer Rebate $15,950

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.

Listed by Mary Margaret Briggs

·

Windermere Vashon

Last updated April 30, 2026

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Source: NWMLS #2510507

Listing Facts

  • TypeSingle-family
  • NeighborhoodVashon
  • Bedrooms4
  • Bathrooms3
  • Days on Prevu11
  • Taxes$11,826/year
  • Size3,020 sqft
  • Price per sqft$528

Amenities

  • Dishwasher
  • Washer/Dryer
  • Pets Allowed
  • Parking

Location

Mortgage Calculator

Listing History

04/21/2026
Listed by Windermere Vashon
$1,595,000

Property Details for 23603 Old Mill Road SW

Exterior

Construction

  • Property Condition: Good
  • Roof: Composition
  • Structure Type: House
  • Year Built: 1991
  • Builder Name: Ed Palmer
  • Construction Materials: Wood
  • Entry Location: Main
  • Exterior Features: Wood

Features

  • Direction Faces: West
  • View: Territorial
  • Waterfront Features: Creek
  • Waterfront: Yes

Measurements

  • Building Area Total: 3,470
  • Building Area Units: Square Feet
  • Lot Features: Adjacent To Public Land, Paved, Secluded
  • Lot Size Acres: 6.44
  • Lot Size Square Feet: 280,579
  • Lot Size Units: Square Feet

Financial

Taxes

  • Parcel Number: 1322029054
  • Tax Annual Amount: $11,826.00
  • Tax Year: 2026

Interior

Features

  • Appliances: Dishwasher, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer
  • Fireplace Features: Wood Burning
  • Fireplace: Yes
  • Fireplaces Total: 2
  • Flooring: Ceramic Tile, Hardwood
  • Interior Features: Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, Skylight(s), Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wired For Generator

Measurements

  • Living Area: 3,020

Rooms

  • Basement: Partially Finished
  • Bathrooms Full: 1
  • Bathrooms Half: 1
  • Bathrooms Three Quarter: 1
  • Bathrooms Total Integer: 3
  • Bedrooms Total: 4
  • Main Level Bathrooms: 2
  • Main Level Bedrooms: 2

Other

Location

  • Subdivision Name: Vashon Island

Parking

Parking

  • Covered Spaces: 2
  • Garage: Yes
  • Parking Features: Detached Garage, Off Street
  • Parking Total: 5

Schools

Elementary School

  • Elementary School: Chautauqua Elem

High School

  • High School: Vashon Isl High
  • High School District: Vashon Island

Middle or Junior School

  • Middle Or Junior School: Mcmurray Mid

Utilities

Equipment

  • Has Cooling: Yes
  • Has Heating: Yes
  • Sewer: Septic Tank
  • Water Source: Individual Well

Frequently Asked Questions

How many bedrooms and bathrooms does this single-family home have?

There are 4 bedrooms and 3 bathrooms in this single-family home at 23603 Old Mill Road SW.

What schools are nearby to 23603 Old Mill Road SW?

Nearby schools include the Chautauqua Elem Elementary School, Mcmurray Mid Middle School, and Vashon Isl High.

Does this single-family home have parking?

Yes, there are 5 parking spaces available for 23603 Old Mill Road SW.

What are the annual taxes for 23603 Old Mill Road SW?

Annual taxes for this single-family home are estimated at $11,826.

How does 23603 Old Mill Road SW compare to other single-family homes in Vashon?

This single-family home is listed 26% below the average price for single-family homes in Vashon and has been on the market for 39 less days than the typical home in this area.

What is the square footage on this single-family home?

According to the MLS, this listing is 3,020 sqft.

23603 Old Mill Road SW is a 4-bedroom, 3-bath single-family home for sale in Vashon WA 98070. Listed on Prevu for 11 days at $1,595,000. This residence features 3,020 square feet of living space, located in Vashon. The median listing price for single-family homes in this area is $1,190,000. Nearby schools include Chautauqua Elem Elementary School, Mcmurray Mid Middle School, and Vashon Isl High. The home offers dishwasher, pets allowed, parking, and washer/dryer. Browse more single-family home listings in King County.

Based on information from NWMLS and/or other sources. All data, including all measurements and calculations of area, is obtained from various sources and has not been, and will not be, verified by Prevu or the MLS. Information is provided exclusively for consumer's personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumer may be interested in purchasing.

Full MLS Disclaimers

Rebate estimate is indicative only and based on listing price and estimated buyer's agent commission paid by owner, if applicable. Final rebates are subject to Terms of Use and may vary due to final negotiated transaction terms.