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9 Beds
5.5 Baths
10,000 sqft

$2,495,000

650 S Main STREET, Fontana WI, 53125

Price per sqft$249.50
Built in1886
Property size10,000 sqft
Property typeResidential
Courtesy of Compass Wisconsin-Lake Geneva, Shirley Coulman

Overview

Active

Listed Oct 8, 2026

Updated 2 days ago

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.

$16,599/mo

Est. mortgage payment based on a $2,495,000 home price.

All estimates are provided by Luxury Presence for informational purposes only. Actual amounts may vary.

Additional information

MLS® ID
1983975

Interior Features

Bedrooms
9
Bathrooms
5.5
Cooling
Yes
Heating
Yes
Basement
Yes

Exterior Features

Lot Size
1.31 Acres

Other Property Details

Taxes
$6,947
Tax Frequency
Annually
View
Yes
55+/Senior Community
No

Courtesy of Compass Wisconsin-Lake Geneva, Shirley Coulman

IDX information is provided exclusively for consumers’ personal, non-commercial use and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Information is supplied by the seller and other third parties and has not been verified. IDX information is provided exclusively for consumers’ personal, non-commercial use, and that it may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. 

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Data last updated 4:28 AM UTC, 10/22/2026

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