For sale

Price cut: $10K (6/8)

$505,000

146 & 148 Union St, Sun Prairie, WI 53590

6beds

3,119sqft

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Apartment

Built in ----

-- sqft lot

$502,000 Zestimate^®

$162/sqft

$-- HOA

What's special

Start or grow your investment portfolio with this updated 2-flat offering 3,119 sq ft and strong rental income. Property features hardwood floors, spacious fenced yard, 2-car garage, and is within walking distance to downtown Sun Prairie. Updates include living room remodel and carpet (2015), furnaces (2016), water heater (2014), roof and garage siding (2010), garage roof (2008), and updated upper unit (2020).

23 days

399

9

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 6
Bathrooms: 2
Full bathrooms: 2

Heating

Natural Gas, Forced Air, Individual Heat Control (Unit 1)

Cooling

Air Conditioning (Unit 1), Air Conditioning (Unit 2)

Appliances

Included: Range/Oven (Unit 1), Refrigerator (Unit 1), Washer/Dryer (Unit 1), Range/Oven (Unit 2), Refrigerator (Unit 2), Dishwasher (Unit 2)
Laundry: In Unit (Unit 1)

Features

Eat In Kitchen (Unit 1), Den/Office (Unit 2)
Basement: Full

Interior area

Total structure area: 3,119
Total interior livable area: 3,119 sqft

Property

Parking

Total spaces: 2
Parking features: 2 stall garage, Detached
Garage spaces: 4

Lot

Size: 10,018 Square Feet

Details

Parcel number: 081105310631
Zoning: G-1

Construction

Type & style

Home type: MultiFamily
Property subtype: Apartment

Materials

Aluminum Siding
Foundation: Other

Utilities & green energy

Sewer: Public Sewer
Water: Public
Utilities for property: Separate elec meters, Separate gas meters, Separate water meters

Community & HOA

Location

Region: Sun Prairie

Financial & listing details

Price per square foot: $162/sqft
Tax assessed value: $286,900
Annual tax amount: $6,080
Date on market: 6/5/2026
Inclusions: Unit 146 Stove, Refrigerator, Dishwasher, Microwave Unit 148 Stove, Refrigerator, Microwave, Washer, Dryer
Exclusions: Tenants Property, Sellers personal property
Total actual rent: 50040

Estimated market value

$502,000

$477,000 - $527,000

$1,993/mo

Price history

Date	Event	Price
6/8/2026	Price change	$505,000-1.9%$162/sqft
Source: SCWMLS #2020058 Report a problem
6/2/2026	Price change	$515,000-1.9%$165/sqft
Source: WIREX MLS #2020058 Report a problem
4/7/2026	Listed for sale	$525,000$168/sqft
Source: WIREX MLS #2020058 Report a problem

Public tax history

Tax history is unavailable.

Monthly payment

Est. payment

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All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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