This home's estimate is 12.3% lower than the average sale price ($875K) of 6 comparable homes.
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- Sale & tax history
- Property details
- Neighborhood
- Climate
166 Cayou Valley Rd, Orcas Island, WA 98243
About this home
Charming Deer Harbor single-level home with detached guest house, all recently updated. Southwestern sun illuminates the home & decks of this jewel box. Desirable location near Cayou Valley Estuary, marinas & public access waterfront. Main home w/1260 sq.ft. features one bedroom suite w/accommodating office/den offering additional living area. Spacious bath w/custom tile shower & built-in linen storage. Open floor plan with main living spaces, kitchen & dining area. Newer appliances, flooring, cabinets & built-in storage. Adorable 779 sq.ft. one bedroom guest house w/spacious living area, kitchen, full bath & laundry. Attached one car garage offers additional storage. Enclosed yard w/fruit trees offers potential garden space. No Vac.rentals

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Market trends in 98243, WA
Last updated September 2026
Buyer's Market
Seller's Market
Balanced market
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Sale history for 166 Cayou Valley Rd
$615/sq ft
$655/sq ft
As the MLS and public records start to fill up, we'll list the details here.
Public record
Property details
Parking
- Parking Information
- Covered Spaces: 1
- Parking Features: Driveway, Detached Garage, Off Street
- Garage Spaces: 1
- Has Garage
- Garage Square Feet: 187
Interior
- Bedroom Information
- # of Bedrooms: 2
- # of Bedrooms Main: 1
- Bedrooms Possible: 2
- Bathroom Information
- # of Full Baths (Total): 1
- # of Three Quarter Baths (Total): 1
- # of Main Level Bathrooms (Total): 1
- # of Full Baths (Garage): 1
- # of Three Quarter Baths (Main): 1
- # of Bathtubs: 1
- # of Showers: 2
- Room 1 Information
- Room Type: Approved Accessory
- Room Level: Garage
- Room 2 Information
- Room Type: Bathroom Full
- Room Level: Garage
- Room 3 Information
- Room Type: Bedroom
- Room Level: Garage
- Room 4 Information
- Room Type: Primary Bedroom
- Room Level: Main
- Room 5 Information
- Room Type: Bonus Room
- Room Level: Main
- Room 6 Information
- Room Type: Dining Room
- Room Level: Main
- Room 7 Information
- Room Type: Entry Hall
- Room Level: Main
- Room 8 Information
- Room Type: Family Room
- Room Level: Main
- Room 9 Information
- Room Type: Living Room
- Room Level: Main
- Room 10 Information
- Room Type: Utility Room
- Room Level: Main
- Room 11 Information
- Room Type: Kitchen With Eating Space
- Room Level: Main
- Room 12 Information
- Room Type: Bathroom Three Quarter
- Room Level: Main
- Basement Information
- Basement Features: None
- Fireplace Information
- Fireplace Features: Gas, Wood Burning
- Heating & Cooling
- Has Heating
- Heating Information: Baseboard, Ductless, Stove/Free Standing, Wall Unit(s)
- Has Cooling
- Interior Features
- Interior Features: Ceiling Fan(s), Dining Room, Water Heater
- Appliances: Dishwasher(s), Dryer(s), Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
- Flooring: Slate, Vinyl, Vinyl Plank, Carpet
- Appliances Included: Dishwasher(s),Dryer(s),Microwave(s),Refrigerator(s),Stove(s)/Range(s),Washer(s)
- Second Living Quarters Information
- ADU # of Beds: 1
- ADU # of Baths: 1
Exterior
- Building Information
- Building Information: Built On Lot
- Construction Materials: Wood
- Roof: Composition
- Exterior Features
- Exterior Features: Wood
- Property Information
- Energy Source: Electric,Propane,Wood
- Sq. Ft. Finished: 1,260
- Style Code: 10 - 1 Story
- Property Type: Residential
- Property Sub Type: Single Family Residence
- Property Condition: Updated/Remodeled
- Has View
- Land Information
- Vegetation: Fruit Trees, Garden Space, Wooded
- Lot Information
- Lot Number: 7
- MLS Lot Size Source: Assessor
- Site Features: Deck,Fenced-Partially,High Speed Internet,Propane
- Zoning Jurisdiction: County
- Lot Features: Dead End Street, Dirt Road, Value In Land
- Lot Size Units: Square Feet
- Lot Size Acres: 0.63
- Elevation Units: Feet
Financial
- Tax Information
- Tax Annual Amount: $3,517
- Tax Year: 2025
- Financial Information
- Listing Terms: Cash Out, Conventional, FHA, VA Loan
- Buyer Financing: Cash
Utilities
- Utility Information
- Water Source: Community
- Water Company: Cayou Valley HOA
- Power Company: OPALCO
- Sewer: Septic Tank
- Water Heater Type: Electric
- Internet Connected: Rock Island Fiber
Location
- HOA Information
- Has HOA
- Association Fee: $1,300
- Association Fee Frequency: Annually
- School Information
- Elementary School: Orcas Elem
- Middle Or Junior High School: Orcas Isl Mid
- High School: Orcas Isl High
- High School District: Orcas Island
- Location Information
- Directions: Deer Harbor Rd. Turn right on Channel Rd. Turn right on Cayou Valley Rd. 166 Cayou Valley up drive on the right.
- Topography: Level,Partial Slope,Sloped
- Community Information
- Senior Exemption: false
Public facts
- Beds: —
- Baths: —
- Sq. Ft.: —
- Stories: —
- Lot Size: —
- Style: Single Family Residential
- Year Built: —
- Year Renovated: —
- County: San Juan County
- APN: —
Other
- Listing Information
- Buyer Brokerage Compensation: 2.5
- Buyer Brokerage Compensation Type: %
- Mls Status: Sold
- Listing Date Information
- On Market Date: Saturday, March 29, 2025
- Green Information
- Direction Faces: West
- Power Production Type: Electric, Propane, Wood
- Home Information
- Living Area: 1,260
- Calculated Square Footage: 2039
- MLS Square Footage Source: Sketch
- Building Area Total: 1260
- Building Area Units: Square Feet
- Foundation Details: Concrete Ribbon
- Building Name: Cayou Valley
- Year Built Effective: 1978
- Effective Year Built Source: Public Records
- Structure Type: House
- Levels: One
- Entry Location: Main
Around this home
Schools
Public 1-8 • Assigned • 5.6mi
Public 9-12 • Assigned • 6.5mi
Lifestyle
Provided by Walk Score and Local Logic
Climate risks
Minimal risk of a flood reaching the building in the next 30 years
Unlikely to be in a wildfire in next 30 years
7 days above 76° expected this year, 20 days in 30 years
Minimal risk of severe winds over next 30 years
8 unhealthy days expected this year, 8 days in 30 years
Sun exposure
In this area, properties receive around 8.4 hours in June and 1.8 hours in December, placing it below the U.S. average for solar exposure.
Sell confidently with a local market expert in Orcas Island. 3 minutes to get started.
Nearby similar homes
Home values near 166 Cayou Valley Rd
| Address | Redfin Estimate |
|---|---|
1 Beds | 1 Baths | 1362 Sq. Ft. | $586,036 |
3 Beds | 2.5 Baths | 3268 Sq. Ft. | $2,391,832 |
| Address | Redfin Estimate |
|---|---|
2 Beds | 2 Baths | 2182 Sq. Ft. | $832,284 |
2 Beds | 2 Baths | 1526 Sq. Ft. | $761,373 |
| Address | Redfin Estimate |
|---|---|
3 Beds | 2 Baths | 1565 Sq. Ft. | $984,985 |
1 Beds | 1 Baths | - Sq. Ft. | $548,206 |
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