Active

$1,200,000

78 Congress STREET, Williams Bay, WI 53191

4beds

3,358sqft

$6,945/mo

Get pre-qualified

Single Family Residence

Built in 1940

0.35 Acres Lot

$1,123,700 Zestimate^®

$357/sqft

$-- HOA

What's special

Finished basementOpen floor planNew roofNew entrance doorsCustom paver designOutdoor kitchenProfessional landscaping

Welcome to this TURNKEY fully renovated 4 Bedroom, 4 Full Bath, home with 3++ Car Garage, just steps from Geneva Lake, Pier 290, shops and restaurants in Williams Bay. This stunner showcases an open floor plan with top-to-bottom updates (interior and exterior). Exterior updates include new roof, siding,/stone, windows, garage doors (3), outdoor kitchen, custom paver design, outdoor built in firepit, professional landscaping, new entrance doors and new mechanicals (A/C, Furnace and (2) Hot Water Heaters). Inside you will find 4 generous sized bedrooms, 4 Full Bath, recess lighting throughout, large kitchen with oversize island, finished basement, and so much more! This home is situated on a beautiful oversize lot, centrally located steps from Geneva Lake, Dining, Shopping and much more!

123 days

619

26

Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 4
Bathrooms: 4
Full bathrooms: 4
Main level bedrooms: 4

Primary bedroom

Level: Main
Area: 204
Dimensions: 17 x 12

Bedroom 2

Level: Main
Area: 126
Dimensions: 9 x 14

Bedroom 3

Level: Main
Area: 171
Dimensions: 19 x 9

Bedroom 4

Level: Main
Area: 99
Dimensions: 11 x 9

Bathroom

Features: Shower on Lower, Master Bedroom Bath: Walk-In Shower, Master Bedroom Bath, Shower Stall

Kitchen

Level: Main
Area: 252
Dimensions: 21 x 12

Living room

Level: Main
Area: 342
Dimensions: 18 x 19

Heating

Natural Gas

Cooling

Central Air

Appliances

Included: Dishwasher, Dryer, Microwave, Other, Range, Refrigerator, Washer

Features

Kitchen Island
Basement: Finished,Partial,None / Slab,Walk-Out Access

Interior area

Total structure area: 3,358
Total interior livable area: 3,358 sqft

Property

Parking

Total spaces: 3
Parking features: Basement Access, Garage Door Opener, Attached, 3 Car, 1 Space
Attached garage spaces: 3

Features

Levels: One
Stories: 1
Patio & porch: Patio
Waterfront features: Lake

Lot

Size: 0.35 Acres
Features: Wooded

Details

Parcel number: WJA 00009
Zoning: res

Construction

Type & style

Home type: SingleFamily
Architectural style: Contemporary,Ranch
Property subtype: Single Family Residence

Materials

Other, Stone, Brick/Stone

Condition

21+ Years
New construction: No
Year built: 1940

Utilities & green energy

Sewer: Public Sewer
Water: Public
Utilities for property: Cable Available

Community & HOA

Location

Region: Williams Bay
Municipality: Williams Bay

Financial & listing details

Price per square foot: $357/sqft
Tax assessed value: $254,500
Annual tax amount: $2,921
Date on market: 4/13/2026
Inclusions: Turn-Key.
Exclusions: Seller Personal Belongings

Estimated market value

$1,123,700

$1.07M - $1.18M

$5,737/mo

Price history

Date	Event	Price
4/13/2026	Listed for sale	$1,200,000-4%$357/sqft
Source: WIREX MLS #1957523 Report a problem
10/18/2025	Listing removed	$1,250,000$372/sqft
Source: WIREX MLS #1925282 Report a problem
8/17/2025	Price change	$1,250,000-13.8%$372/sqft
Source: WIREX MLS #1925282 Report a problem
7/5/2025	Listed for sale	$1,450,000+394.9%$432/sqft
Source: WIREX MLS #1925282 Report a problem
9/6/2023	Listing removed	--
Source: WIREX MLS #1763642 Report a problem
12/17/2021	Sold	$293,000-9.8%$87/sqft
Source: WIREX MLS #1763642 Report a problem
10/18/2021	Price change	$324,900-1.5%$97/sqft
Source: WIREX MLS #1763642 Report a problem
10/12/2021	Price change	$329,900-2.9%$98/sqft
Source: WIREX MLS #1763642 Report a problem
9/21/2021	Price change	$339,900-2.9%$101/sqft
Source: WIREX MLS #1763642 Report a problem
9/16/2021	Listed for sale	$349,900$104/sqft
Source: WIREX MLS #1763642 Report a problem

Public tax history

Year	Property taxes	Tax assessment
2024	$3,038 +1%	$254,500
2023	$3,007 -1.1%	$254,500 +0.8%
2022	$3,041 +15%	$252,500 +43.3%
2021	$2,644 -2.8%	$176,200
2020	$2,721 +5.3%	$176,200
2019	$2,584 +2.1%	$176,200
2018	$2,531 +4.9%	$176,200
2017	$2,413 -38.7%	$176,200 -32.3%
2016	$3,936 +1.5%	$260,300
2015	$3,877 +7.8%	$260,300
2014	$3,596	$260,300
2013	$3,596	$260,300
2012	--	--
2011	--	--
2010	--	--
2009	--	--
2008	--	--
2007	--	--
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2000	--	--