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$675,000 Just Listed

  • For Sale
  • Active
  • Single Family
  • 3 Beds
  • 2 Full Baths
  • 2,018 Sq. Ft.
  • Updated 1 day ago
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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 Property Details for 20 Collie St

General

  • Price: $675,000
  • Taxes: $3,548 (2025)
  • Status: Active
  • Type: Single Family
  • Source: MetroMLS_Milwaukee_Wirex
  • MLS ID: 1982179
  • Updated: 9/25/2026
  • Added to Site: 1 day(s) ago

Interior

  • Number of Rooms: 7
  • Interior Features: Cable TV Available, Simulated Wood Floors, Split Bedrooms, Vaulted Ceiling(s)
  • Appliances: Dishwasher, Dryer, Oven, Range, Refrigerator, Washer

Rooms

Bathrooms

  • Total Bathrooms: 2
  • Full Bathrooms: 2
  • Bathroom: Dual-Entry, off Master Bedroom, MBR Bath Shower over Tub, Off Master Bedroom, Shower Stall

Bedrooms

  • Total Bedrooms: 3
  • Bedroom 1: 18 x 12, Lower Level
  • Bedroom 2: 20 x 8, Main Level
  • Bedroom 3: 10 x 9, Main Level

Other Rooms

  • Living Room: 22 x 14, Main Level
  • Family Room: 35 x 15, Lower Level
  • Kitchen: 11 x 11, Main Level
  • Sun Room/Solarium: 36 x 9, Main Level

Exterior

  • Exterior Features: Patio

Location

  • County: Walworth
  • Driving Directions: From Hwy 67 (Geneva Street), south on Collie Street

School Information

  • School District: Williams Bay
  • Elementary School: Williams Bay
  • Middle School: Williams Bay
  • High School: Williams Bay

Heating & Cooling

  • Heating/Cooling: Natural Gas, Central Air Conditioning, Forced Air

Utilities

  • Water/Sewer: Municipal Sewer, Municipal Water

Structural Information

  • Architectural Style: Single Story, Other
  • Exterior Const.: Aluminum Siding, Steel Siding
  • Basement Desc.: Finished, Full, Poured Concrete, Shower, Walk-Out/Outer Door
  • Square Feet: 2,018
  • Year Built: 1920

Additional Structures

  • Other Structures: Storage Shed

Lot Features

  • Lot Size (Acres): 0.18
  • Zoning: Res

Financial Considerations

  • Tax Amount: $3,548
  • Tax Year: 2025

Listed by Mahler Sotheby's International Realty-Lake Geneva

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— 20 Collie St —

  • Mahler Sotheby's International Realty-Lake Geneva

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NMLS#: 1598647

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Be ready to buy your new home!

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NMLS#: 1598647

Get Pre-Approved

Find the right home insurance for your new home!

with our affiliated in-house agency

Request a Quote

Save up to an additional 20% by bundling your home and auto together!

Schools serving 20 Collie St

School District:Williams Bay School District
NameGradesDistance
Williams Bay Elementary School
250 Theatre Road, Williams Bay, WI 53191
PK-50.9 mi
Williams Bay Junior High School
500 West Geneva Street, Williams Bay, WI 53191
6-80.9 mi
Williams Bay High School
500 West Geneva Street, Williams Bay, WI 53191
9-120.9 mi
Disclaimer: School attendance boundaries provided by ATTOM Data Solutions and are for reference only. Contact the school directly to verify enrollment eligibility.

Price & Sales History for 20 Collie St Get Price Alerts and Save Property

Date
Details
Price
Change
Source
9/25/2026
Listed
$675,000
102.7%
MLS
9/30/2022
Sold
$333,000
—
Public Record
Get Price Alerts and Save Property
Disclaimer: Historical sales information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

Tax History for 20 Collie St

Year
Property Taxes
Change
Tax Assessment
Change
2025
$3,548
51%
$415,600
110%
2024
$2,349
1%
$197,500
—
2023
$2,323
-8%
$197,500
—
2022
$2,525
21%
$197,500
51%
2021
$2,090
-1%
$130,600
—
2020
$2,107
4%
$130,600
—
2019
$2,019
3%
$130,600
—
2018
$1,965
7%
$130,600
—
2017
$1,844
-42%
$130,600
-37%
2016
$3,206
2%
$207,200
—
2015
$3,144
4%
$207,200
—
2014
$3,009
—
$207,200
—
2013
$3,020
—
$207,200
—
View All
Disclaimer: Historical tax information is derived from public records provided by the county offices. Information is not guaranteed and should be independently verified.

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Listed by Mahler Sotheby's International Realty-Lake Geneva

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20 Collie St, Williams Bay, WI 53191 (MLS# 1982179) is a Single Family property with 3 bedrooms and 2 full bathrooms. 20 Collie St is currently listed for $675,000 and was received on September 25, 2026. Want to learn more about 20 Collie St? Do you have questions about finding other Single Family real estate for sale in Williams Bay? You can browse all Williams Bay real estate or contact a Coldwell Banker agent to request more information.

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