$675,000

beds

baths

2,018

square ft

20 Collie St

Williams Bay, Wisconsin 53191

New / MLS #1982179 / Single Family / Williams Bay

Listing information updated 9/25/2026 at 2:21pm

Embrace the ultimate lake-life retreat! This serene home offers unmatched convenience, located just steps from the beach and local favorites like Pier 290, Green Grocer, Cafe Calamari, and Frosty Moose. Unwind in the beautifully landscaped outdoor space or entertain across three expansive living areas inside, highlighted by a living room with vaulted ceilings and a separate, sun-filled four-season room. The primary suite located on the walk-out lower-level, serves as a private sanctuary featuring dual walk-in closets. Enjoy peace of mind with low-maintenance trim, newer windows, and a newer water heater. Best of all, residents can apply for local beach, parking, and boat slip access privileges. Make this Williams Bay oasis your home today! Also available to rent MLS# 1981591.

Full Features

Architecture Style:

Other

Exterior Type:

Steel Siding,Aluminum Siding

Basement:

Full,Walk Out/Outer Door,Poured Concrete,Shower,Finished

Bedrooms:

Cooling System:

Central Air

Heating System:

Natural Gas, Forced Air

Appliances:

Oven, Range, Refrigerator, Dishwasher, Washer, Dryer

Main Level Primary Bedroom:

Yes

Pool:

Age:

106 Years

Parking Type:

Paved,Parking Space

Room Count:

Square Feet:

2,018

Lot Size:

0.18 Acres

Acreage:

0.18

Internal Features:

Split Bedrooms, Vaulted Ceiling(s)

External Features:

Patio/Porch

Room Information

Living Room:

22 x 14 - Main

Kitchen:

11 x 11 - Main

Family Room:

35 x 15 - Lower

Primary Bedroom:

18 x 12 - Lower

2nd Bedroom:

20 x 8 - Main

3rd Bedroom:

10 x 9 - Main

Sun/Four Season Room:

36 x 9 - Main

Taxes & Assessments

Tax Amount:

$3,548

Tax Year:

2025

Location

Zip Code:

53191

City:

Williams Bay

County:

Walworth

Schools

School District(s):

Williams Bay

Elementary School:

Williams Bay

Middle School:

Williams Bay

High School:

Williams Bay

Architecture Style:

Other

Exterior Type:

Steel Siding,Aluminum Siding

Basement:

Full,Walk Out/Outer Door,Poured Concrete,Shower,Finished

Bedrooms:

Cooling System:

Central Air

Heating System:

Natural Gas, Forced Air

Appliances:

Oven, Range, Refrigerator, Dishwasher, Washer, Dryer

Main Level Primary Bedroom:

Yes

Pool:

Age:

106 Years

Parking Type:

Paved,Parking Space

Room Count:

Square Feet:

2,018

Lot Size:

0.18 Acres

Acreage:

0.18

Internal Features:

Split Bedrooms, Vaulted Ceiling(s)

External Features:

Patio/Porch

Living Room:

22 x 14 - Main

Kitchen:

11 x 11 - Main

Family Room:

35 x 15 - Lower

Primary Bedroom:

18 x 12 - Lower

2nd Bedroom:

20 x 8 - Main

3rd Bedroom:

10 x 9 - Main

Sun/Four Season Room:

36 x 9 - Main

Tax Amount:

$3,548

Tax Year:

2025

Zip Code:

53191

City:

Williams Bay

County:

Walworth

School District(s):

Williams Bay

Elementary School:

Williams Bay

Middle School:

Williams Bay

High School:

Williams Bay

Listing Office: Mahler Sotheby's International Realty-Lake Geneva

Listing Office Phone: 414.964.2000

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