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.
Active
$2,600,000
23781 NW Grossen Dr, Hillsboro, OR 97124
6beds
5,825sqft
Residential, Single Family Residence
Built in 2007
16.6 Acres Lot
$-- Zestimate®
$446/sqft
$-- HOA
What's special
Impressive six-car tandem garageHot tubMultiple outbuildingsExtensive built-insGrand vaulted ceilingsGourmet kitchenRich hardwood floors
- 73 days |
- 4,933 |
- 150 |
Zillow last checked:
Listing updated:
Listed by:
Clint Currin 503-345-4466,
RE/MAX Equity Group,
Jim Collison 503-680-5850,
RE/MAX Equity Group
Source: RMLS (OR),MLS#: 755492823
Facts & features
Interior
Bedrooms & bathrooms
- Bedrooms: 6
- Bathrooms: 6
- Full bathrooms: 5
- Partial bathrooms: 1
- Main level bathrooms: 3
Rooms
- Room types: Den, Office, Bonus Room, Bedroom 2, Bedroom 3, Dining Room, Family Room, Kitchen, Living Room, Primary Bedroom
Primary bedroom
- Features: Sliding Doors, Sound System, Double Closet, Suite, Walkin Closet, Wallto Wall Carpet
- Level: Main
- Area: 378
- Dimensions: 18 x 21
Bedroom 2
- Features: Bathroom, Suite, Wallto Wall Carpet
- Level: Upper
- Area: 378
- Dimensions: 18 x 21
Bedroom 3
- Features: Bathroom, Suite, Wallto Wall Carpet
- Level: Upper
- Area: 225
- Dimensions: 15 x 15
Dining room
- Features: Formal, French Doors, Hardwood Floors
- Level: Main
- Area: 180
- Dimensions: 12 x 15
Family room
- Features: Fireplace, Hardwood Floors, Sliding Doors, Sound System, Vaulted Ceiling
- Level: Main
- Area: 460
- Dimensions: 20 x 23
Kitchen
- Features: Builtin Refrigerator, Gas Appliances, Hardwood Floors, Island, Pantry, Granite
- Level: Main
- Area: 255
- Width: 17
Living room
- Features: Builtin Features, Fireplace, Formal, Hardwood Floors
- Level: Main
- Area: 306
- Dimensions: 17 x 18
Office
- Features: Builtin Features, Wallto Wall Carpet
- Level: Main
- Area: 182
- Dimensions: 13 x 14
Heating
- Forced Air, Heat Pump, Other, Fireplace(s)
Cooling
- Heat Pump
Appliances
- Included: Built-In Refrigerator, Cooktop, Dishwasher, Disposal, Gas Appliances, Washer/Dryer, Electric Water Heater
- Laundry: Laundry Room
Features
- Granite, Plumbed For Central Vacuum, Sound System, Vaulted Ceiling(s), Built-in Features, Bathroom, Suite, Formal, Kitchen Island, Pantry, Double Closet, Walk-In Closet(s), Loft
- Flooring: Hardwood, Heated Tile, Wall to Wall Carpet, Concrete
- Doors: French Doors, Sliding Doors
- Windows: Double Pane Windows, Vinyl Frames
- Basement: Crawl Space,Partial
- Number of fireplaces: 2
- Fireplace features: Gas
Interior area
- Total structure area: 5,825
- Total interior livable area: 5,825 sqft
Video & virtual tour
Property
Parking
- Total spaces: 6
- Parking features: RV Access/Parking, RV Boat Storage, Garage Door Opener, Attached, Oversized, Tandem
- Attached garage spaces: 6
Accessibility
- Accessibility features: Caregiver Quarters, Garage On Main, Ground Level, Main Floor Bedroom Bath, Minimal Steps, Utility Room On Main, Walkin Shower, Accessibility
Features
- Stories: 2
- Patio & porch: Covered Deck, Deck, Porch
- Has private pool: Yes
- Has spa: Yes
- Spa features: Builtin Hot Tub, Bath
- Has view: Yes
- View description: Territorial
- Waterfront features: Creek, Stream
Lot
- Size: 16.6 Acres
- Features: Level, Private, Acres 10 to 20
Details
- Additional structures: Other Structures Bedrooms Total (1), Other Structures Bathrooms Total (1.01), Barn, GuestQuarters, Outbuilding, RVParking, RVBoatStorage, Workshop, HomeTheater, SeparateLivingQuartersApartmentAuxLivingUnit, BarnWorkshop, Storage
- Parcel number: R653386
- Zoning: AF20
- Other equipment: Home Theater
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Craftsman,Custom Style
- Property subtype: Residential, Single Family Residence
Materials
- Metal Siding, Pole, Wood Frame, Cedar, Cement Siding, Shake Siding
- Foundation: Concrete Perimeter, Slab
- Roof: Composition
Condition
- Updated/Remodeled
- New construction: No
- Year built: 2007
Utilities & green energy
- Sewer: Septic Tank
- Water: Well
Community & HOA
HOA
- Has HOA: No
Location
- Region: Hillsboro
Financial & listing details
- Price per square foot: $446/sqft
- Tax assessed value: $1,508,560
- Annual tax amount: $12,080
- Date on market: 6/15/2026
- Listing terms: Cash,Conventional,VA Loan
- Road surface type: Gravel
Estimated market value
Not available
Estimated sales range
Not available
Not available
Price history
| Date | Event | Price |
|---|---|---|
| 6/15/2026 | Listed for sale | $2,600,000+166.7%$446/sqft |
Source:  RMLS (OR) #755492823 Report a problem | ||
| 8/14/2020 | Sold | $975,000$167/sqft |
Source: Public Record Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2025 | $12,081 +1.3% | $946,360 +3% |
| 2024 | $11,928 +2.9% | $918,800 +3% |
| 2023 | $11,592 +2.6% | $892,040 +3% |
| 2022 | $11,296 -10.3% | $866,070 |
| 2021 | $12,586 +2.1% | -- |
| 2020 | $12,325 +3.9% | $925,830 +3% |
| 2019 | $11,866 +3.2% | $898,880 0% |
| 2018 | $11,499 | $899,220 +6% |
| 2017 | $11,499 +9.5% | $848,270 +3% |
| 2016 | $10,500 | $823,560 +3% |
| 2015 | $10,500 +4.5% | $799,570 +3% |
| 2014 | $10,046 +2.4% | $776,290 +3% |
| 2013 | $9,811 +2.8% | $753,670 +3% |
| 2012 | $9,548 +3.7% | $731,730 -21.2% |
| 2011 | $9,203 +1.7% | $928,580 -6.7% |
| 2010 | $9,047 | $995,470 |
Find assessor info on the county website
Monthly payment
Est. payment
Payment breakdown
Explore the cost of this home by adjusting the details. Changes won't be saved.Climate risks
Neighborhood: 97124
Nearby schools
GreatSchools rating
- 5/10West Union Elementary SchoolGrades: K-6Distance: 1.6 mi
- 4/10J W Poynter Middle SchoolGrades: 7-8Distance: 5.3 mi
- 7/10Liberty High SchoolGrades: 9-12Distance: 2.8 mi
Schools provided by the listing agent
- Elementary: West Union
- Middle: Poynter
- High: Liberty
Source: RMLS (OR). This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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