This home's estimate is 23.4% lower than the average sale price ($1.81M) of 6 comparable homes.
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722 Prohaska Rd, Friday Harbor, WA 98250
About this home
Once a cherished writers’ retreat where several books were written, this magical dividable 18-acre San Juan Island property is a haven of creativity and tranquility. The 3,648 sf home is designed with versatility in mind, offering essentially two complete living spaces—each with its own kitchen, bedroom, bathroom, and living room—ideal for multi-generational living or guest accommodations. A separate 320 sf guest cottage with bath adds even more flexibility. Thoughtful updates include laminate flooring, refreshed bathrooms, newer heating system, expansive decking, and a saltwater hot tub. The grounds are equally magical, with fruit trees, ponds, mature landscaping, a 2 stall horse paddock, an artist’s shop, and a mystical forest to explore.

Redfin Estimate
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Market trends in 98250, WA
Last updated August 2026
Buyer's Market
Seller's Market
Balanced market
- NEW 16 HRS AGO$659,0003 beds2 baths1,264 sq ft242 Evans Way, Friday Harbor, WA 98250Tamara Weaver • Windermere RE San Juan Islands
- $4,495,0005 beds7.5 baths8,026 sq ft450 Warbass Way, Friday Harbor, WA 98250Gregory King • Windermere RE San Juan Islands
- VIDEO TOUR$2,383,0003 beds3 baths3,430 sq ft681 Smugglers Cove Rd, Friday Harbor, WA 98250Thane Bolger • Coldwell Banker San Juan Is.
- 3D WALKTHROUGH$2,499,0003 beds3.5 baths2,377 sq ft91 Captain Garthney Ln, Roche Harbor, WA 98250Kelly Snow • Coldwell Banker San Juan Is.
- $295,000Studio1 bath325 sq ft250 Tucker Ave #2, Friday Harbor, WA 98250Kelly Snow • Coldwell Banker San Juan Is.
- $1,450,0001 bed1 bath681 sq ft40 Brooks Ln, Roche Harbor, WA 98250Stephanie Buffum • Coldwell Banker Bain
- $5,630,0004 beds4.5 baths3,682 sq ft702 San Juan Dr, Roche Harbor, WA 98250Stephanie Buffum • Coldwell Banker Bain
- $625,0002 beds2 baths1,033 sq ft98 Armadale Rd #215, Friday Harbor, WA 98250Stephen Saunders • Marketplace Sotheby's Intl Rty
See all
Provided by Redfin
Sale history for 722 Prohaska Rd
$356/sq ft
$377/sq ft
$199/sq ft
$199/sq ft
$210/sq ft
Tax history for 722 Prohaska Rd
*Taxable value of land and structures on it ("additions") is determined regularly by local assessors and does not affect market price.
Public record
- Public record
- Permits
Grading
HVAC
Plumbing
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
Parking
- Parking Information
- Parking Features: Driveway, RV Parking
Interior
- Bedroom Information
- # of Bedrooms: 3
- # of Bedrooms Main: 3
- Bedrooms Possible: 3
- Bathroom Information
- # of Full Baths (Total): 1
- # of Three Quarter Baths (Total): 2
- # of Half Baths (Total): 1
- # of Main Level Bathrooms (Total): 4
- # of Full Baths (Main): 1
- # of Half Baths (Main): 1
- # of Three Quarter Baths (Main): 2
- # of Bathtubs: 1
- # of Showers: 3
- Room 1 Information
- Room Type: Den/Office
- Room 2 Information
- Room Type: Dining Room
- Room Level: Main
- Room 3 Information
- Room Type: Entry Hall
- Room Level: Main
- Room 4 Information
- Room Type: Great Room
- Room Level: Main
- Room 5 Information
- Room Type: Kitchen Without Eating Space
- Room Level: Main
- Room 6 Information
- Room Type: Living Room
- Room Level: Main
- Room 7 Information
- Room Type: Primary Bedroom
- Room Level: Main
- Room 8 Information
- Room Type: Studio
- Room Level: Split
- Room 9 Information
- Room Type: Utility Room
- Room Level: Main
- Room 10 Information
- Room Type: Bedroom
- Room Level: Main
- Room 11 Information
- Room Type: Bedroom
- Room Level: Main
- Room 12 Information
- Room Type: Bathroom Full
- Room Level: Main
- Room 13 Information
- Room Type: Bathroom Half
- Room Level: Main
- Room 14 Information
- Room Type: Bathroom Three Quarter
- Room Level: Main
- Room 15 Information
- Room Type: Bathroom Three Quarter
- Room Level: Main
- Basement Information
- Basement Features: None
- Fireplace Information
- Has Fireplace
- # of Fireplaces: 3
- Fireplace Features: Wood Burning
- # of Fireplaces Main: 3
- Heating & Cooling
- Has Heating
- Heating Information: Baseboard, Heat Pump, Stove/Free Standing
- Has Cooling
- Cooling Information: Heat Pump
- Interior Features
- Interior Features: Ceiling Fan(s), Dining Room, Fireplace, French Doors, Hot Tub/Spa, Skylight(s), Vaulted Ceiling(s), Walk-in Closet(s), Water Heater
- Appliances: Dishwasher(s), Disposal, Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Trash Compactor, Washer(s)
- Flooring: Ceramic Tile, Laminate
- Appliances Included: Dishwasher(s),Dryer(s),Garbage Disposal,Microwave(s),Refrigerator(s),Stove(s)/Range(s),Trash Compactor,Washer(s)
- Second Living Quarters Information
- ADU # of Baths: 1
Exterior
- Building Information
- Building Information: Built On Lot
- Construction Materials: Wood
- Roof: Composition
- Exterior Features
- Exterior Features: Wood
- Pool Information
- Has Spa
- Property Information
- Energy Source: Electric,Propane,Wood
- Sq. Ft. Finished: 3,648
- Style Code: 11 - 1 1/2 Story
- Property Type: Residential
- Property Sub Type: Single Family Residence
- Has View
- Land Information
- Vegetation: Brush, Fruit Trees, Garden Space, Pasture, Wooded
- Lot Information
- MLS Lot Size Source: Survey
- Site Features: Deck,Fenced-Partially,High Speed Internet,Hot Tub/Spa,Patio,Propane,RV Parking,Shop
- Zoning Jurisdiction: County
- Lot Features: Adjacent to Public Land, Dead End Street, Dirt Road, Open Space, Secluded
- Lot Size Units: Square Feet
- Lot Size Acres: 18.2799
- Elevation Units: Feet
Financial
- Tax Information
- Tax Annual Amount: $5,879
- Tax Year: 2025
- Financial Information
- Listing Terms: Cash Out, Conventional
- Buyer Financing: Cash
Utilities
- Utility Information
- Water Source: Individual Well, Private
- Water Company: Private Well
- Power Company: OPALCO
- Sewer: Septic Tank
- Sewer Company: Septic
- Water Heater Type: Propane & Electric
Location
- School Information
- High School District: San Juan Island
- Location Information
- Directions: San Juan Valley Rd, Left onto Wold Rd, Right onto Kiehl Rd, Right on Prohaska Rd, follow to 722 on Right
- Topography: Equestrian,Level
- Community Information
- Senior Exemption: false
Public facts
- Beds: 2
- Baths: 3.0
- Sq. Ft.: 3,648
- Stories: 1.0
- Lot Size: 18.27 acres
- Style: Other
- Year Built: 1971
- Year Renovated: 1991
- County: San Juan County
- APN: 351813004000
Other
- Listing Information
- Buyer Brokerage Compensation: 2.5
- Buyer Brokerage Compensation Type: %
- Mls Status: Sold
- Listing Date Information
- On Market Date: Thursday, May 1, 2025
- Green Information
- Power Production Type: Electric, Propane, Wood
- Home Information
- Living Area: 3,648
- Living Area Units: Square Feet
- Calculated Square Footage: 3968
- MLS Square Footage Source: SJC
- Building Area Total: 3648
- Building Area Units: Square Feet
- Foundation Details: Poured Concrete
- Structure Type: House
- Levels: One and One Half
- Entry Location: Main
Around this home
Schools
Public K-5 • Assigned • 4.5mi
Public 6-8 • Assigned • 4.3mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
0.15% chance of being in a wildfire in next 30 years
6 days above 77° expected this year, 16 days in 30 years
Minimal risk of severe winds over next 30 years
7 unhealthy days expected this year, 8 days in 30 years
Sun exposure
Try the sun simulator tool to see how light moves across the property at different times of day and year.
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Nearby similar homes
New listings for sale in 98250
Home values near 722 Prohaska Rd
| Address | Redfin Estimate |
|---|---|
2 Beds | 1 Baths | 800 Sq. Ft. | $902,412 |
2 Beds | 1 Baths | 680 Sq. Ft. | $826,411 |
| Address | Redfin Estimate |
|---|---|
3 Beds | 2 Baths | 1692 Sq. Ft. | $812,787 |
2 Beds | 2 Baths | 1968 Sq. Ft. | $1,164,250 |
| Address | Redfin Estimate |
|---|---|
2 Beds | 1 Baths | 1032 Sq. Ft. | $390,214 |
2 Beds | 2 Baths | 2016 Sq. Ft. | $1,015,476 |
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