$2,495,000

9 Beds 6 Baths 10,000 Sqft

650 S Main Street, Fontana, WI 53125

Property Type: Single-Family
Time on Market: 9 hours
Price per Sqft: $250
Garage: Y
Total Taxes: $6,947
Est. Age: 21+ Years

Description

Discover Black Walnut Farm, a one-of-a-kind 9-bedroom, 5.5-bath Fontana estate near Geneva Lake. Set on approximately 1.3 acres, this nearly 10,000-sq.-ft. landmark unites an 1836 post-and-beam barn with an 1899 prairie-style trolley depot. Inside, exposed beams, a stone fireplace, grand gathering spaces, a 14-seat dining table, den, bar and game room create an unforgettable setting for up to 26 guests. Outdoors, enjoy tennis/pickleball, a seasonal swim spa, fire pit, porch, deck, lawn and gardens. A highly rated short-term rental with documented provenance, a preservation award and proven income history. Tourist Rooming House permit stated through June 30, 2027. Buyer to verify zoning, permit transferability and future rental use.

Property Details

Interior

Appliances:
  • Window A/C, Dishwasher, Disposal, Dryer, Microwave, Oven, Range, Refrigerator, Washer
Basement:
  • Full, Partially Finished, Stone, Walk Out/Outer Door
Baths:
  • Full Baths: 5
  • Half Baths: 1
  • Bath Descriptions: Tub Only,Ceramic Tile,Whirlpool,Master Bedroom Bath: Tub/No Shower,Master Bedroom Bath: Walk-In Shower,Master Bedroom Bath,Shower Over Tub,Shower Stall
Heating/Cooling:
  • Central Air, Forced Air, Multiple Units, Window/wall AC
Heat Fuel:
  • Natural Gas
Interior Features:
  • Cable/Satellite Available, High Speed Internet, Hot Tub, Sauna, Simulated Wood Floors, Skylight(s), Cathedral/vaulted ceiling, Walk-in closet(s), Walk-thru Bedroom, Wood Floors
Sqft:
  • Total Sqft: 10,000
  • Lot Sqft Source: Other - See Remarks
  • Estimated Sqft Range: 3501 or more,5001 or more,2501 or more

Rooms

Room Basement Level Lower Level Main Level Upper Level
Master Bedroom 30x14
Bedroom 2 25x25
Bedroom 3 21x12
Bedroom 4 18x11
Bedroom 5 15x14
Den/Office 10x10
Dining Room 29x16
Kitchen 15x15
Living Room 25x25
Bedroom 12x9

Exterior

Acreage:
  • Range: 1 to 4.99
  • Source: Other - See Remarks
Exterior:
  • Stucco/Slate, (C) Stucco, Vinyl
Exterior Features:
  • Deck, Patio
Garage:
  • Details: None
Outbuildings:
  • Garden Shed
Parking:
  • Details: 1 Space
Style:
  • Other
Water:
  • Features: View of Water
  • Waterfront: N
Water/Waste:
  • Municipal Sewer, Municipal Water

Misc.

New Construction:
  • N
Postal:
  • Code: 53125
Street:
  • Direction Prefix: S
  • Name: Main STREET
  • Suffix: STREET
Tax Year:
  • 2025
Zoning:
  • Res

Map

Listing Agent-Provided Directions:
  • Hwy 67 to Dewey Ave. Left on Main. Home on Right

Monthly Payment Calculator

$
$
%
%
Est.
0.00
/month
Principal & Interest
$
Property Taxes
$
Home Insurance
$
Mortgage Insurance
$
HOA Fees
$
Utilities
$

Schools and Neighborhood

Elementary School:
  • Fontana
High School:
  • Big Foot
School District:
  • Fontana J8
Postal City:
  • Fontana
Municipality:
  • Name: FONTANA
  • Type: Village
County:
  • WALWORTH

Market Comparison

How this property compares to local market averages — calculated 10/9/2026

This Property
Fontana Single Family Home Avg
Walworth County Single Family Home Avg
List Price
$2,495,000
$1,255,878
$868,939
Median Price
—
$825,000
$531,900
Price / Sq Ft
$250
$429
$335
Days on Market
9 hours
68 days
66 days
Total Listings
—
23
390

Listing Information

  • Time on Market: 9 hours
  • Place Perfect Last Updated: 2026-10-08 15:41:57
  • MLS Number: 1983975
  • Subsystem Locale: WIREX_METRO
  • Listing Office: Compass Wisconsin-Lake Geneva
  • Listing Agent: Shirley Coulman

Homes with 9 bedrooms

Explore nearby homes with 9 bedrooms

Fontana J8 School District Homes

Explore Fontana J8 school district homes in Fontana, Wisconsin

WIREX Logo

This information is provided by WIREX via the REALTORS Association of Northeast Wisconsin multiple listing service and is exclusively for consumers’ personal, non-commercial use. Information is deemed reliable but not guaranteed.

© 2026 WIREX-Wisconsin Real Estate Exchange – All Rights Reserved