For sale

$450,000

307 Prospect Ave, Janesville, WI 53545

3beds

2,700sqft

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Single Family Residence

Built in 1953

0.77 Acres Lot

$439,500 Zestimate^®

$167/sqft

$-- HOA

What's special

Tucked away on a rare wooded lot in the heart of Janesville, this architecturally distinctive home blends timeless mid-century design with modern comfort. Inspired by Prairie-style architecture, the residence showcases soaring ceilings, expansive windows, warm natural materials, and an open-concept floor plan that fills the home with natural light. Situated on nearly an acre of mature trees, the property offers a private retreat while remaining just minutes from downtown amenities, dining, shopping, and the Riverwalk. 3 main level bedrooms combine with a beautifully updated bathroom for ideal living. The lower level features an expansive laundry room, flex room, multiple workshop spaces as well as a den.

36 days

807

53

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 3
Bathrooms: 2
Full bathrooms: 2
Main level bathrooms: 1

Primary bedroom

Level: Main
Area: 260
Dimensions: 20 x 13

Bedroom 2

Level: Main
Area: 270
Dimensions: 15 x 18

Bedroom 3

Level: Main
Area: 209
Dimensions: 19 x 11

Dining room

Level: Main
Area: 198
Dimensions: 18 x 11

Family room

Area: 252
Dimensions: 14 x 18

Kitchen

Features: Dishwasher, Disposal, Microwave, Range/Oven, Refrigerator
Level: Main
Area: 285
Dimensions: 19 x 15

Living room

Level: Main
Area: 576
Dimensions: 32 x 18

Heating

Forced Air, Radiant

Cooling

Central Air

Appliances

Included: Washer, Dryer, Water Softener Included
Laundry: Lower Level

Features

Great room, Vaulted Ceiling(s), Den/Office
Basement: Full,Walk-Out Access,Partially Finished
Number of fireplaces: 1
Fireplace features: 1 fireplace, Wood Burning

Interior area

Total structure area: 2,700
Total interior livable area: 2,700 sqft
Finished area above ground: 2,200

Property

Parking

Total spaces: 2
Parking features: 2 car, Attached, Underground, Heated Garage
Attached garage spaces: 2
Has uncovered spaces: Yes

Features

Levels: One
Stories: 1
Patio & porch: Patio

Lot

Size: 0.77 Acres
Features: Near Public Transit, Sidewalk
Residential vegetation: Wooded

Details

Parcel number: 0136200258
Zoning: res

Construction

Type & style

Home type: SingleFamily
Architectural style: Prairie/Craftsman,Ranch
Property subtype: Single Family Residence

Materials

Wood Siding, Brick

Condition

Year built: 1953

Utilities & green energy

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

Community & HOA

Community

Subdivision: prospect hill

Location

Region: Janesville

Financial & listing details

Price per square foot: $167/sqft
Tax assessed value: $349,200
Annual tax amount: $5,964
Date on market: 6/8/2026
Inclusions: refrigerator, dishwasher, oven, cooktop, washer, dryer, chair and table in family room, breakfast nook in kitchen
Exclusions: sellers personal property

Estimated market value

$439,500

$418,000 - $461,000

$1,781/mo

Price history

Date	Event	Price
6/11/2026	Listed for sale	$450,000+132%$167/sqft
Source: WIREX MLS #2025286 Report a problem
11/29/2017	Sold	$194,000$72/sqft
Source: Public Record Report a problem

Public tax history

Year	Property taxes	Tax assessment
2025	$6,256 +4.9%	$349,200
2024	$5,964 -0.4%	$349,200
2023	$5,987 +11.2%	$349,200 +54.2%
2022	$5,382 -0.8%	$226,400
2021	$5,427 +4.8%	$226,400
2020	$5,181 +2.3%	$226,400
2019	$5,062 +14.1%	$226,400 +34.7%
2018	$4,437	$168,100 +0.4%
2017	$4,437 +6.2%	$167,500
2016	$4,179 +5.8%	$167,500
2014	$3,949 -1.8%	$167,500
2013	$4,020 +0.9%	$167,500
2012	$3,985 -1.2%	$167,500
2011	$4,033	$167,500 +18.8%
2010	--	$141,000
2009	--	$141,000
2008	--	$141,000
2007	--	$141,000
2006	--	$141,000

Find assessor info on the county website

Monthly payment

Est. payment

Payment breakdown

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Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

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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