309 Prospect Ave
Waukesha, WI 53188
3 bd 1 ba 1,160 sqft Built 1900 Lot 11,326 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
No recorded events
No sale or listing events are on file for this property.
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $198,400 | $37,700 | $236,100 | $3,283 |
| 2024 | $154,000 | $37,700 | $191,700 | $2,913 |
| 2023 | $154,000 | $37,700 | $191,700 | $2,663 |
| 2022 | $125,200 | $35,000 | $160,200 | $2,997 |
| 2021 | $125,200 | $35,000 | $160,200 | $3,057 |
| 2020 | $125,200 | $35,000 | $160,200 | $2,970 |
| 2019 | $125,200 | $35,000 | $160,200 | $2,868 |
| 2018 | $117,600 | $30,700 | $148,300 | $2,715 |
| 2017 | $117,600 | $30,700 | $148,300 | $2,718 |
| 2016 | $108,800 | $29,800 | $138,600 | $2,703 |
| 2015 | $108,800 | $29,800 | $138,600 | $2,690 |
| 2014 | $107,400 | $29,800 | $137,200 | $2,710 |
| 2013 | $107,400 | $29,800 | $137,200 | $2,777 |
| 2012 | $111,200 | $34,800 | $146,000 | $2,897 |
| 2010 | $115,200 | $34,800 | $150,000 | $2,876 |
| 2009 | $115,200 | $34,800 | $150,000 | $2,880 |
| 2008 | $119,400 | $22,600 | $142,000 | $2,692 |
Property facts
Year built
1900
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,160 sqft
Lot size
11,326 sqft
ZIP code
53188
City
Waukesha
Street
Prospect Ave
Coordinates
43.01945, -88.23856
Comparable properties nearby
Frequently asked questions
When did 309 Prospect Ave last sell?
No public-record sale is on file for 309 Prospect Ave.
What is the current tax assessment for 309 Prospect Ave?
The most recent total assessment for 309 Prospect Ave (year 2025) is $236,100 with $3,283 in property tax.
When was 309 Prospect Ave built?
309 Prospect Ave was built in 1900.
How does 309 Prospect Ave compare to others on Prospect Ave?
We track 8 other properties on Prospect Ave. Browse the list under "Other properties on Prospect Ave" to compare beds, baths, and sale history.
What are the property facts for 309 Prospect Ave?
309 Prospect Ave is a 3 bed, 1 bath, 1,160 sqft, 11,326 sqft lot single_family.
Is 309 Prospect Ave a flip candidate?
No — 309 Prospect Ave does not appear in our flips dataset.
Is 309 Prospect Ave a tax-appeal candidate?
No — 309 Prospect Ave is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+1.0%
Implied 1-yr
+3.9%
2026 Q3
$443.4K
2026 Q4
$447.4K
ZIP 53188 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect Ave