818 Main St
Sun Prairie, WI 53590
— ba Lot 78,582 sqft other
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 | $8,366,800 | $1,200,000 | $9,566,800 | $194,759 |
| 2023 | $10,506,800 | $1,140,000 | $11,646,800 | $206,891 |
| 2022 | $720,700 | $1,170,000 | $1,890,700 | $41,723 |
| 2021 | $579,900 | $455,700 | $1,035,600 | $22,462 |
| 2020 | $579,900 | $455,700 | $1,035,600 | $25,155 |
| 2019 | $513,500 | $403,500 | $917,000 | $22,764 |
| 2018 | $513,500 | $403,500 | $917,000 | $20,926 |
Property facts
Year built
—
Property type
other
Stories
—
Beds
—
Baths
—
Living area
—
Lot size
78,582 sqft
ZIP code
53590
City
Sun Prairie
Street
Main St
Coordinates
43.18235, -89.22703
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 818 Main St last sell?
No public-record sale is on file for 818 Main St.
What is the current tax assessment for 818 Main St?
The most recent total assessment for 818 Main St (year 2025) is $9,566,800 with $194,759 in property tax.
When was 818 Main St built?
The year built for 818 Main St is not in our records.
How does 818 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 818 Main St?
818 Main St is a — bath, 78,582 sqft lot other.
Is 818 Main St a flip candidate?
No — 818 Main St does not appear in our flips dataset.
Is 818 Main St a tax-appeal candidate?
No — 818 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
+3.8%
Implied 1-yr
+15.0%
2026 Q3
$527.9K
2026 Q4
$543.9K
ZIP 53590 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Main St