509 Main St
Decorah, IA 52101
3 bd 4 ba 2,456 sqft Built 1900 Lot 13,068 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 | $347,590 | $47,190 | $394,780 | $6,294 |
| 2024 | $347,590 | $47,190 | $394,780 | $6,042 |
| 2023 | $287,130 | $47,190 | $334,320 | $5,844 |
| 2022 | $250,020 | $39,320 | $289,340 | $5,664 |
| 2021 | $250,270 | $39,320 | $289,590 | $5,360 |
| 2020 | $229,930 | $39,320 | $269,250 | $5,106 |
| 2019 | $229,930 | $39,320 | $269,250 | $5,214 |
| 2018 | $229,930 | $39,320 | $269,250 | $5,250 |
| 2017 | $229,930 | $39,320 | $269,250 | $4,964 |
| 2016 | $216,380 | $28,840 | $245,220 | $4,886 |
| 2015 | $216,380 | $28,840 | $245,220 | $4,628 |
| 2014 | $203,970 | $28,840 | $232,810 | $4,540 |
| 2013 | $203,970 | $28,840 | $232,810 | $3,890 |
| 2012 | $180,510 | $28,840 | $209,350 | $5,326 |
| 2011 | $111,730 | $28,840 | $140,570 | $5,414 |
Property facts
Year built
1900
Property type
single_family
Stories
2
Beds
3
Baths
4
Living area
2,456 sqft
Lot size
13,068 sqft
ZIP code
52101
City
Decorah
Street
Main St
Coordinates
43.30301, -91.79183
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 509 Main St last sell?
No public-record sale is on file for 509 Main St.
What is the current tax assessment for 509 Main St?
The most recent total assessment for 509 Main St (year 2025) is $394,780 with $6,294 in property tax.
When was 509 Main St built?
509 Main St was built in 1900.
How does 509 Main St compare to others on Main St?
We track 8 other properties on Main St. Browse the list under "Other properties on Main St" to compare beds, baths, and sale history.
What are the property facts for 509 Main St?
509 Main St is a 3 bed, 4 bath, 2,456 sqft, 13,068 sqft lot single_family.
Is 509 Main St a flip candidate?
No — 509 Main St does not appear in our flips dataset.
Is 509 Main St a tax-appeal candidate?
No — 509 Main 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
-8.2%
Implied 1-yr
-32.7%
2026 Q3
$245.4K
2026 Q4
$202.6K
ZIP 52101 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Main St