Set across 150+ acres of extraordinary privacy, this one-of-a-kind aviation sanctuary redefines fly-in luxury—blending striking modern design with premier aviation infrastructure for pilots seeking ultimate freedom and privacy, all with sweeping river views.This 2020 custom-built residence offers 4 en-suite bedrooms, main-level primary suite with spa-inspired bath and expansive custom walk-in closet. Designed for refined living and effortless entertaining, the home features a dramatic open living area with fireplace, private main-floor office, movie theater, gym, and 2 laundry rooms. Chef’s kitchen w/oversized island and granite surfaces. 3-car garage, generous storage, and sleek modern finishes complete this 4,700 sq ft home.Embrace resort-style outdoor living with an in-ground pool, modern firepit, and expansive grounds for relaxing or hosting.For aviation enthusiasts, this estate delivers at the highest level: private 2,400-foot runway, helipad, and a massive fully insulated and heated 80’ x 75’ hangar (60' wide door and 21' clearance), plus an additional 50’ x 75’ fully insulated, heated and air conditioned, aviation lounge with an indoor pickleball court, game room, golf simulator, pool table, and full kitchen—creating a true gathering place for aviators. Bonus:on-site gravel pit (potential income). This is more than a home—it’s a rare fly-in sanctuary, created for pilots who want their runway, hangar, and home seamlessly integrated into one extraordinary lifestyle.
Active
Listed by: Keller Williams Eastside
$4,995,000
56 Spring Valley Road, Rock Island, WA 98850
4beds
4,740sqft
Single Family Residence
Built in 2020
150.83 Acres Lot
$4,541,300 Zestimate®
$1,054/sqft
$-- HOA
What's special
Sleek modern finishesModern firepitSweeping river viewsGame roomExpansive custom walk-in closetIndoor pickleball courtPrivate main-floor office
- 84 days |
- 611 |
- 29 |
Zillow last checked:
Listing updated:
Listed by:
Alex J Jobe,
Keller Williams Eastside,
Gisela Braje,
Keller Williams Eastside
Source: NWMLS as distributed by MLS GRID,MLS#: 2473110
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Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 4
- Bathrooms: 4
- Full bathrooms: 4
- Main level bathrooms: 2
Primary bedroom
- Level: Second
Bedroom
- Level: Second
Bedroom
- Level: Second
Bedroom
- Level: Second
Bathroom full
- Level: Second
Bathroom full
- Level: Second
Bathroom full
- Level: Main
Bathroom full
- Level: Main
Den office
- Level: Main
Dining room
- Level: Main
Entry hall
- Level: Main
Family room
- Level: Main
Great room
- Level: Main
Kitchen with eating space
- Level: Main
Living room
- Level: Main
Rec room
- Level: Second
Utility room
- Level: Main
Heating
- Fireplace, Heat Pump, Electric
Cooling
- Heat Pump
Appliances
- Included: Dishwasher, Disposal, Double Oven, Dryer, Microwave, Refrigerator, Stove(s)/Range(s), Washer, Dishwasher(s), Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Washer(s), Water Heater: Electric, Water Heater Location: Mechanical Room Main Floor
Features
- Bath Off Primary, Central Vacuum, Dining Room
- Flooring: Ceramic Tile, Concrete, Carpet
- Doors: French Doors
- Windows: Dbl Pane/Storm Window
- Basement: None
- Number of fireplaces: 1
- Fireplace features: Electric, Main Level: 1, Fireplace
Interior area
- Total structure area: 4,740
- Total interior livable area: 4,740 sqft
Video & virtual tour
Property
Parking
- Total spaces: 3
- Parking features: Driveway, Attached Garage, Detached Garage, Off Street, RV Parking
- Has attached garage: Yes
- Covered spaces: 3
Features
- Levels: Two
- Stories: 2
- Entry location: Main
- Patio & porch: Second Kitchen, Bath Off Primary, Built-In Vacuum, Dbl Pane/Storm Window, Dining Room, Fireplace, French Doors, Hot Tub/Spa, Security System, Sprinkler System, Vaulted Ceiling(s), Walk-In Closet(s), Water Heater, Wine/Beverage Refrigerator
- Pool features: In Ground, In-Ground
- Has spa: Yes
- Spa features: Indoor
- Has view: Yes
- View description: Mountain(s), River, Territorial
- Has water view: Yes
- Water view: River
Lot
- Size: 150.83 Acres
- Features: Dead End Street, Drought Resistant Landscape, Secluded, Airplane Hangar, Athletic Court, Deck, Fenced-Partially, Gated Entry, Hot Tub/Spa, Outbuildings, Patio, Propane, RV Parking, Shop, Sprinkler System
- Topography: Dune,Level,Partial Slope,Sloped,Steep Slope,Terraces
- Residential vegetation: Brush
Details
- Parcel number: 20221020001
- Zoning: RR-20
- Zoning description: Jurisdiction: County
- Special conditions: Standard
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Contemp/Custom,2 Story
- Property subtype: Single Family Residence
Materials
- Stone, Wood Products
- Foundation: Poured Concrete
- Roof: Metal
Condition
- Very Good
- Year built: 2020
- Major remodel year: 2020
Details
- Builder name: Owner
Utilities & green energy
- Electric: Company: Douglas County PUD
- Sewer: None
- Water: Individual Well, Private
- Utilities for property: Local Tel
Community & HOA
Community
- Features: Athletic Court, Gated
- Security: Security System
- Subdivision: Rock Island
Location
- Region: Quincy
Financial & listing details
- Price per square foot: $1,054/sqft
- Tax assessed value: $1,826,400
- Annual tax amount: $13,444
- Date on market: 3/19/2026
- Cumulative days on market: 86 days
- Listing terms: Conventional,FHA
- Inclusions: Dishwasher(s), Double Oven, Dryer(s), Garbage Disposal, Microwave(s), Refrigerator(s), Stove(s)/Range(s), Washer(s)
- Road surface type: Dirt
Estimated market value
$4,541,300
$4.31M - $4.77M
$5,765/mo
Price history
| Date | Event | Price |
|---|---|---|
| 3/20/2026 | Listed for sale | $4,995,000+2105.3%$1,054/sqft |
Source:  NWMLS as distributed by MLS GRID #2473110 Report a problem | ||
| 11/23/2016 | Sold | $226,500$48/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $13,444 -3.9% | $1,826,400 -0.2% |
| 2023 | $13,992 -6.3% | $1,829,800 |
| 2022 | $14,932 +83.2% | $1,829,800 +105.9% |
| 2021 | $8,150 +1575.8% | $888,500 +1554.6% |
| 2020 | $486 +3.7% | $53,700 |
| 2018 | $469 | $53,700 |
| 2017 | $469 -3.8% | $53,700 |
| 2016 | $487 +7.4% | $53,700 |
| 2015 | $454 -2.7% | $53,700 |
| 2014 | $467 | $53,700 |
Find assessor info on the county website
Monthly payment
Est. payment$--/mo
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.
HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.
Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.
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Climate risks
Neighborhood: 98850
Getting around
0 / 100
Car-DependentNearby schools
GreatSchools rating
- NAPalisades Elementary SchoolGrades: PK-6Distance: 13.8 mi
- NAQuincy Innovation Academy Big PictureGrades: 6-12Distance: 9 mi
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- Washington
- Douglas County
- Rock Island
- 98850
- 56 Spring Valley Road
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