423 Portland Ave
Beloit, WI 53511
5 bd 3 ba 3,031 sqft Built 1905 Lot 8,276 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 | $144,600 | $9,600 | $154,200 | $2,530 |
| 2023 | $115,400 | $9,600 | $125,000 | $1,971 |
| 2022 | $140,400 | $11,900 | $152,300 | $2,369 |
| 2021 | $51,500 | $9,400 | $60,900 | $1,653 |
| 2020 | $51,500 | $9,400 | $60,900 | $1,746 |
| 2019 | $51,500 | $9,400 | $60,900 | $1,673 |
| 2018 | $51,500 | $9,400 | $60,900 | $1,686 |
| 2017 | $51,500 | $9,400 | $60,900 | $1,685 |
| 2016 | $51,500 | $9,400 | $60,900 | $1,581 |
| 2015 | $51,500 | $9,400 | $60,900 | $1,678 |
| 2014 | $51,500 | $9,400 | $60,900 | $1,620 |
| 2013 | $51,500 | $9,400 | $60,900 | $1,599 |
| 2012 | $51,500 | $9,400 | $60,900 | $1,587 |
| 2011 | $51,500 | $9,400 | $60,900 | $1,565 |
| 2010 | $51,500 | $9,400 | $60,900 | $1,561 |
| 2008 | $73,900 | $7,400 | $81,300 | $1,844 |
| 2007 | $73,900 | $7,400 | $81,300 | $1,833 |
| 2006 | $68,200 | $5,800 | $74,000 | $1,744 |
Property facts
Year built
1905
Property type
single_family
Stories
2
Beds
5
Baths
3
Living area
3,031 sqft
Lot size
8,276 sqft
ZIP code
53511
City
Beloit
Street
Portland Ave
Coordinates
42.50751, -89.04409
Comparable properties nearby
Frequently asked questions
When did 423 Portland Ave last sell?
No public-record sale is on file for 423 Portland Ave.
What is the current tax assessment for 423 Portland Ave?
The most recent total assessment for 423 Portland Ave (year 2025) is $154,200 with $2,530 in property tax.
When was 423 Portland Ave built?
423 Portland Ave was built in 1905.
How does 423 Portland Ave compare to others on Portland Ave?
We track 8 other properties on Portland Ave. Browse the list under "Other properties on Portland Ave" to compare beds, baths, and sale history.
What are the property facts for 423 Portland Ave?
423 Portland Ave is a 5 bed, 3 bath, 3,031 sqft, 8,276 sqft lot single_family.
Is 423 Portland Ave a flip candidate?
No — 423 Portland Ave does not appear in our flips dataset.
Is 423 Portland Ave a tax-appeal candidate?
No — 423 Portland 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
+1.9%
Implied 1-yr
+7.4%
2026 Q3
$231.6K
2026 Q4
$235.4K
ZIP 53511 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Portland Ave