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Street View
$2,495,000
Monthly Est:$12,419
9 Beds
5 Baths5 full baths + 1 half bath
10,000sqft
650 S Main St, Fontana, WI 53125
$2,495,000
$12,419/moEst:
Get Pre-Approved
Single Family Residence
Built in 1886
$-- HOA
1.31 acres lot
$250/sq.ft
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.
- Houzeo last checked: 12 hours ago
- Listing updated: October 9, 2026 at 8:52 am
- Listing Provided by: Shirley Coulman (262) 745-1885 | Compass Wisconsin-Lake Geneva (262) 248-4492
- Source: WIREX | MLS#: 1983975
- Originating MLS: Metro MLS
Property Details
Status
Active
Type
Single Family Residence
No. of Stories
-
County
City
Neighborhood
--
Year Built
1886
HOA Fees
-
Finished Area
10,000 sqft
Lot Size
1.31 acres lot
Basement Area
- sqft
MLS Name
WIREX
MLS Number
1983975
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Location
Facts & Features
Rooms
Bedrooms & bathrooms
Bedrooms: 9
Bathrooms: 5
Master Bedroom
Level: Upper
Area: 420.00 Square Feet
Dimensions: 14 x 30
Living Room
Level: Upper
Area: 625.00 Square Feet
Dimensions: 25 x 25
Dining Room
Level: Main
Area: 464.00 Square Feet
Dimensions: 16 x 29
Bedroom 3
Level: Upper
Area: 252.00 Square Feet
Dimensions: 12 x 21
Bedroom 5
Level: Upper
Area: 210.00 Square Feet
Dimensions: 14 x 15
Den Office
Level: Lower
Area: 100.00 Square Feet
Dimensions: 10 x 10
Bedroom
Level: Main
Area: 108.00 Square Feet
Dimensions: 9 x 12
Kitchen
Level: Main
Area: 225.00 Square Feet
Dimensions: 15 x 15
Bedroom 4
Level: Upper
Area: 198.00 Square Feet
Dimensions: 11 x 18
Bedroom 2
Level: Upper
Area: 625.00 Square Feet
Dimensions: 25 x 25
Interior
Cooling
Central Air
Heating
Forced Air, Natural Gas
Price History
| Date | Event | Price |
|---|---|---|
10/08/2026 Source: | Listed for Sale | $2,495,000 $250/sqft |
Getting Around 650 S Main St
Bike Score®
Somewhat Bikeable
15/100
Walk Score®
Car-Dependent
18/100
Data provided by Redfin
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Based on information received from WIRES/RANW MLS through Oct 09, 2026, 02:30PM. All information deemed reliable but not guaranteed and should be independently verified. All properties are subject to prior sale, change, or withdrawal. Neither listing broker nor Houzeo nor RANW MLS shall be responsible for any typographical errors, misinformation, or misprints, and shall be held totally harmless This website may not include listings or property addresses of sellers who have directed their listing brokers to withhold their listing or their property address from display on the Internet. Information is provided for consumers' personal, non-commercial use, and may not be used for any purpose other than the identification of potential properties for purchase. ©2026 RANW MLS, Inc. All rights reserved.
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