509 Mahlum St
Coon Valley, WI 54623
— ba Lot 12,618 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 | $155,800 | $16,500 | $172,300 | $3,419 |
| 2023 | $155,800 | $16,500 | $172,300 | $3,111 |
| 2022 | $155,800 | $16,500 | $172,300 | $3,584 |
| 2021 | $155,800 | $16,500 | $172,300 | $3,608 |
| 2020 | $155,800 | $16,500 | $172,300 | $3,185 |
| 2019 | $126,400 | $13,600 | $140,000 | $3,281 |
| 2018 | $126,400 | $13,600 | $140,000 | $3,057 |
| 2017 | $126,400 | $13,600 | $140,000 | $3,031 |
| 2016 | $126,400 | $13,600 | $140,000 | $3,023 |
| 2015 | $126,400 | $13,600 | $140,000 | $3,026 |
| 2014 | $106,300 | $13,600 | $119,900 | $2,459 |
| 2013 | $106,300 | $13,600 | $119,900 | $2,591 |
| 2012 | $106,300 | $13,600 | $119,900 | $2,656 |
| 2011 | $106,300 | $13,600 | $119,900 | $2,648 |
| 2010 | $106,300 | $13,600 | $119,900 | $2,648 |
| 2008 | $106,300 | $13,600 | $119,900 | $2,500 |
| 2007 | $105,200 | $13,600 | $118,800 | $2,175 |
Property facts
Year built
—
Property type
single_family
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
12,618 sqft
ZIP code
54623
City
Coon Valley
Street
Mahlum St
Coordinates
43.70465, -91.01295
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 509 Mahlum St last sell?
No public-record sale is on file for 509 Mahlum St.
What is the current tax assessment for 509 Mahlum St?
The most recent total assessment for 509 Mahlum St (year 2025) is $172,300 with $3,419 in property tax.
When was 509 Mahlum St built?
The year built for 509 Mahlum St is not in our records.
How does 509 Mahlum St compare to others on Mahlum St?
We track 6 other properties on Mahlum St. Browse the list under "Other properties on Mahlum St" to compare beds, baths, and sale history.
What are the property facts for 509 Mahlum St?
509 Mahlum St is a — bath, 12,618 sqft lot single_family.
Is 509 Mahlum St a flip candidate?
No — 509 Mahlum St does not appear in our flips dataset.
Is 509 Mahlum St a tax-appeal candidate?
No — 509 Mahlum St is not currently flagged as a tax-appeal candidate.
Forecast for this area
ZIP-area linear projection — not a per-property automated valuationQuarterly trend
+5.2%
Implied 1-yr
+20.7%
2026 Q2
$341K
2026 Q3
$354.2K
ZIP 54623 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Mahlum St