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23781 NW Grossen Dr, Hillsboro
$2,600,000
Save- Price per sqft
- $446.35
- Built in
- 2007
- Property size
- 5,825 sqft
- Lot size
- 16.6 acres
- Property type
- Residential
- Days on market
- 134
Overview
Rare opportunity to own one of Oregon's most extraordinary estate properties. Set on 16.6 private acres in the heart of Helvetia, this remarkable retreat combines luxury living, recreation, creativity, and exceptional business opportunities just minutes from Hillsboro, Intel, Nike, and Portland's westside. The 5,825-square-foot residence offers six bedrooms, including three suites, 5.5 baths, dedicated office and den spaces, library, bonus/media room, and an impressive six-car tandem garage. Grand vaulted ceilings and cupola-capped foyer, rich hardwood floors, extensive built-ins, formal and casual living spaces, and a gourmet kitchen create an ideal setting for both everyday living and entertaining. Flexible floorplan offers a variety of living arrangements that provide multiple private suites and guest quarter configurations with separate exterior access, creating opportunities for extended stays, home offices, creative spaces, or potential ADU use. Beyond the home lies a truly unforgettable setting. The iconic 4000+ square-foot Big Red Barn hosts air-conditioned conference space, offices, technology room, en-suite studio, and classically rustic areas well suited for a wide variety of innovative, event or entrepreneurial pursuits. This opportunity laden property also includes a 30x60 shop, multiple outbuildings, and a remarkable array of infrastructure improvements rarely available in a residential setting. Resort-style amenities incorporate a pool, hot tub, expansive covered outdoor living areas, seasonal creek, pond, walking trails, bridges, and open lawns. The property's authentic western town, stone castle, and park-like grounds forge a destination atmosphere unlike anything else in the region. Whether envisioned as a private estate, creative retreat, or agricultural enterprise, this exceptional property offers possibilities that are nearly impossible to replicate.
Details
Interior
- Interior features
- Garage Door Opener, Granite, Hardwood Floors, Heated Tile Floor, Home Theater, Jetted Tub, Laundry, Plumbed For Central Vacuum, Separate Living Quarters / Apartment / Aux Living Unit, Sound System, Vaulted Ceiling, Wall to Wall Carpet, Washer / Dryer
- Appliances
- Built-in Refrigerator, Cooktop, Dishwasher, Disposal, Gas Appliances, Granite, Island, Pantry
- Fireplace
- Yes
- Fireplaces
- 2
- Fireplace description
- Gas
- Cooling
- Yes
- Cooling description
- Heat Pump
- Heating
- Yes
- Heating description
- Forced Air, Heat Pump, Other
- Windows
- Double Pane Windows, Vinyl Frames
Exterior and lot
- Lot size
- 16.6 acres
- Exterior features
- Barn, Built-in Hot Tub, Covered Deck, Deck, Guest Quarters, In Ground Pool, Outbuilding, Porch, RV Parking, RV / Boat Storage, Tool Shed, Workshop
- Lot features
- Level, Private, Stream
- Architectural style
- Craftsman, Custom Style
- Roof
- Composition
- View
- Yes
- View description
- Territorial
Utilities
- Sewer
- Septic Tank
- Water source
- Well
Parking
- Garage spaces
- 6
- Total parking
- 6
Schools
- High school
- Liberty
- Middle school
- Poynter
- Elementary school
- West Union
Location
- City
- Hillsboro
- County
- Washington
- Zoning
- AF20
- Subdivision
- HELVETIA
Taxes and dues
- Annual taxes
- $12,750 (2026)
Location
23781 NW Grossen Dr, Hillsboro, OR 97124

Monthly payment estimate
$14,901 /mo
- Principal and interest
- $13,838
- Property tax (2026)
- $1,062
- Total
- $14,901
Estimate only, and not an offer of credit. Assumes 20% down ($520,000) and a 30-year fixed rate at 7.00%. Property tax is the assessed annual amount from the listing, divided by twelve. Rates change daily. Insurance and mortgage insurance are not included. Speak to a lender for terms that apply to you.
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