18101 National Ave
New Berlin, WI 53146
5 bd 2 ba 2,520 sqft Built 1929 Lot 209,524 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 | $273,100 | $104,200 | $377,300 | $4,830 |
| 2024 | $273,100 | $104,200 | $377,300 | $4,557 |
| 2023 | $202,000 | $93,600 | $295,600 | $4,605 |
| 2022 | $202,000 | $93,600 | $295,600 | $4,735 |
| 2021 | $202,000 | $93,600 | $295,600 | $4,499 |
| 2020 | $202,000 | $93,600 | $295,600 | $4,501 |
| 2019 | $202,000 | $93,600 | $295,600 | $4,627 |
| 2018 | $202,000 | $93,600 | $295,600 | $4,718 |
| 2017 | $175,100 | $80,800 | $255,900 | $4,491 |
| 2016 | $158,100 | $80,800 | $238,900 | $4,220 |
| 2015 | $158,100 | $80,800 | $238,900 | $4,101 |
| 2014 | $147,900 | $75,600 | $223,500 | $4,054 |
| 2013 | $147,900 | $75,600 | $223,500 | $4,095 |
| 2012 | $147,900 | $75,600 | $223,500 | $4,053 |
| 2010 | $170,000 | $86,900 | $256,900 | $4,234 |
| 2009 | $170,000 | $86,900 | $256,900 | $4,140 |
| 2008 | $161,300 | $82,500 | $243,800 | $4,148 |
| 2006 | $161,300 | $82,500 | $243,800 | $4,019 |
Property facts
Year built
1929
Property type
single_family
Stories
2
Beds
5
Baths
2
Living area
2,520 sqft
Lot size
209,524 sqft
ZIP code
53146
City
New Berlin
Street
National Ave
Coordinates
42.95644, -88.13935
Comparable properties nearby
Frequently asked questions
When did 18101 National Ave last sell?
No public-record sale is on file for 18101 National Ave.
What is the current tax assessment for 18101 National Ave?
The most recent total assessment for 18101 National Ave (year 2025) is $377,300 with $4,830 in property tax.
When was 18101 National Ave built?
18101 National Ave was built in 1929.
How does 18101 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 18101 National Ave?
18101 National Ave is a 5 bed, 2 bath, 2,520 sqft, 209,524 sqft lot single_family.
Is 18101 National Ave a flip candidate?
No — 18101 National Ave does not appear in our flips dataset.
Is 18101 National Ave a tax-appeal candidate?
No — 18101 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