1520 Knollwood Trl
Altoona, WI 54720
5 bd 4 ba 5,460 sqft Built 1997 Lot 23,522 sqft single_family
No recorded sales
Location
Timeline: Sale, Listing & Tax History
Recorded events
| Date | Event | Price | Source |
|---|---|---|---|
| Apr 6, 2024 | Listing removed | — | NorthwesternWI |
| Mar 17, 2024 | Listed | $599,900 | NorthwesternWI |
| Dec 17, 2019 | Listing removed | — | NorthwesternWI |
| Jul 25, 2019 | Price changed | $462,500 | NorthwesternWI |
| May 28, 2019 | Listed | $475,000 | NorthwesternWI |
| Dec 29, 2018 | Listing removed | — | NorthwesternWI |
| Feb 27, 2018 | Price changed | $489,000 | NorthwesternWI |
| Mar 29, 2017 | Listed | $479,000 | NorthwesternWI |
| Jan 16, 2017 | Listing removed | $498,000 | NorthwesternWI |
| Jul 25, 2016 | Listed | $498,000 | NorthwesternWI |
Tax assessment history
| Year | Building | Land | Total assessed | Tax paid |
|---|---|---|---|---|
| 2025 | $467,500 | $39,500 | $507,000 | $7,503 |
| 2023 | $418,500 | $39,500 | $458,000 | $7,855 |
| 2022 | $418,500 | $39,500 | $458,000 | $7,555 |
| 2021 | $390,600 | $35,900 | $426,500 | $8,696 |
| 2020 | $390,600 | $35,900 | $426,500 | $8,651 |
| 2019 | $390,600 | $35,900 | $426,500 | $8,117 |
| 2018 | $384,300 | $34,400 | $418,700 | $9,142 |
| 2017 | $384,300 | $34,400 | $418,700 | $9,118 |
| 2016 | $384,300 | $34,400 | $418,700 | $9,102 |
| 2015 | $384,300 | $34,400 | $418,700 | $9,542 |
| 2014 | $384,300 | $34,400 | $418,700 | $9,029 |
| 2013 | $384,300 | $34,400 | $418,700 | $8,337 |
| 2012 | $384,300 | $34,400 | $418,700 | $8,167 |
| 2011 | $384,300 | $34,400 | $418,700 | $8,133 |
| 2010 | $384,300 | $34,400 | $418,700 | $7,684 |
| 2007 | $384,300 | $34,400 | $418,700 | $7,855 |
| 2006 | $384,300 | $34,400 | $418,700 | $7,593 |
Property facts
Year built
1997
Property type
single_family
Stories
2
Beds
5
Baths
4
Living area
5,460 sqft
Lot size
23,522 sqft
ZIP code
54720
City
Altoona
Street
Knollwood Trl
Coordinates
44.80134, -91.43647
Comparable properties nearby
Frequently asked questions
When did 1520 Knollwood Trl last sell?
No public-record sale is on file for 1520 Knollwood Trl.
What is the current tax assessment for 1520 Knollwood Trl?
The most recent total assessment for 1520 Knollwood Trl (year 2025) is $507,000 with $7,503 in property tax.
When was 1520 Knollwood Trl built?
1520 Knollwood Trl was built in 1997.
How does 1520 Knollwood Trl compare to others on Knollwood Trl?
We track 8 other properties on Knollwood Trl. Browse the list under "Other properties on Knollwood Trl" to compare beds, baths, and sale history.
What are the property facts for 1520 Knollwood Trl?
1520 Knollwood Trl is a 5 bed, 4 bath, 5,460 sqft, 23,522 sqft lot single_family.
Is 1520 Knollwood Trl a flip candidate?
No — 1520 Knollwood Trl does not appear in our flips dataset.
Is 1520 Knollwood Trl a tax-appeal candidate?
No — 1520 Knollwood Trl is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+0.7%
Implied 1-yr
+2.7%
2026 Q3
$311.5K
2026 Q4
$313.5K
ZIP 54720 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Knollwood Trl