21170 National Ave
New Berlin, WI 53146
3 bd 2 ba 3,207 sqft Built 1956 Lot 102,366 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 | $232,300 | $141,700 | $374,000 | $4,596 |
| 2024 | $232,300 | $141,700 | $374,000 | $4,316 |
| 2023 | $206,700 | $70,100 | $276,800 | $4,095 |
| 2022 | $206,700 | $70,100 | $276,800 | $4,219 |
| 2021 | $206,700 | $70,100 | $276,800 | $3,989 |
| 2020 | $206,700 | $70,100 | $276,800 | $4,044 |
| 2019 | $206,700 | $70,100 | $276,800 | $4,153 |
| 2018 | $206,700 | $70,100 | $276,800 | $4,221 |
| 2017 | $193,000 | $62,400 | $255,400 | $4,324 |
| 2016 | $193,000 | $62,400 | $255,400 | $4,366 |
| 2015 | $193,000 | $62,400 | $255,400 | $4,355 |
| 2014 | $181,000 | $58,500 | $239,500 | $4,319 |
| 2013 | $181,000 | $58,500 | $239,500 | $4,370 |
| 2012 | $181,000 | $58,500 | $239,500 | $4,356 |
| 2010 | $198,900 | $64,300 | $263,200 | $4,341 |
| 2009 | $198,900 | $64,300 | $263,200 | $4,245 |
| 2008 | $190,300 | $61,200 | $251,500 | $4,283 |
| 2006 | $190,300 | $61,200 | $251,500 | $4,153 |
Property facts
Year built
1956
Property type
single_family
Stories
1
Beds
3
Baths
2
Living area
3,207 sqft
Lot size
102,366 sqft
ZIP code
53146
City
New Berlin
Street
National Ave
Coordinates
42.93449, -88.17783
Comparable properties nearby
Frequently asked questions
When did 21170 National Ave last sell?
No public-record sale is on file for 21170 National Ave.
What is the current tax assessment for 21170 National Ave?
The most recent total assessment for 21170 National Ave (year 2025) is $374,000 with $4,596 in property tax.
When was 21170 National Ave built?
21170 National Ave was built in 1956.
How does 21170 National Ave compare to others on National Ave?
We track 8 other properties on National Ave. Browse the list under "Other properties on National Ave" to compare beds, baths, and sale history.
What are the property facts for 21170 National Ave?
21170 National Ave is a 3 bed, 2 bath, 3,207 sqft, 102,366 sqft lot single_family.
Is 21170 National Ave a flip candidate?
No — 21170 National Ave does not appear in our flips dataset.
Is 21170 National Ave a tax-appeal candidate?
No — 21170 National 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
-1.8%
Implied 1-yr
-7.3%
2026 Q2
$456.7K
2026 Q3
$447.3K
ZIP 53146 — Median Price History + Forecast
Explore nearby
Geography
Other properties on National Ave