421 Prospect St
Watertown, NY 13601
— ba 1,872 sqft Built 1890 Lot 5,249 sqft multi_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 | $45,100 | $6,900 | $52,000 | $987 |
| 2024 | $45,100 | $6,900 | $52,000 | $954 |
| 2023 | $45,100 | $6,900 | $52,000 | $405 |
| 2022 | $45,100 | $6,900 | $52,000 | $419 |
| 2021 | $45,100 | $6,900 | $52,000 | $419 |
Property facts
Year built
1890
Property type
multi_family
Stories
2
Beds
—
Baths
—
Living area
1,872 sqft
Lot size
5,249 sqft
ZIP code
13601
City
Watertown
Street
Prospect St
Coordinates
43.97845, -75.91877
Comparable properties nearby
Block-level micro-comps
Same street, ±3 house numbers, sold in the last 24 monthsFrequently asked questions
When did 421 Prospect St last sell?
No public-record sale is on file for 421 Prospect St.
What is the current tax assessment for 421 Prospect St?
The most recent total assessment for 421 Prospect St (year 2025) is $52,000 with $987 in property tax.
When was 421 Prospect St built?
421 Prospect St was built in 1890.
How does 421 Prospect St compare to others on Prospect St?
We track 8 other properties on Prospect St. Browse the list under "Other properties on Prospect St" to compare beds, baths, and sale history.
What are the property facts for 421 Prospect St?
421 Prospect St is a — bath, 1,872 sqft, 5,249 sqft lot multi_family.
Is 421 Prospect St a flip candidate?
No — 421 Prospect St does not appear in our flips dataset.
Is 421 Prospect St a tax-appeal candidate?
No — 421 Prospect 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
+15.3%
2026 Q3
$262.6K
2026 Q4
$270.6K
ZIP 13601 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Prospect St