1691 Helderberg Ave
Rotterdam, NY 12306
3 bd 1 ba 1,386 sqft Built 1934 Lot 3,920 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 | $120,000 | $3,500 | $123,500 | $4,612 |
| 2024 | $120,000 | $3,500 | $123,500 | $4,133 |
| 2023 | $120,000 | $3,500 | $123,500 | $4,603 |
| 2022 | $120,000 | $3,500 | $123,500 | $4,510 |
| 2021 | $120,000 | $3,500 | $123,500 | $4,933 |
| 2020 | $120,000 | $3,500 | $123,500 | $4,238 |
| 2018 | $136,500 | $3,500 | $140,000 | $2,586 |
| 2016 | $136,500 | $3,500 | $140,000 | $4,205 |
| 2015 | $136,500 | $3,500 | $140,000 | $4,078 |
| 2014 | $136,200 | $3,800 | $140,000 | $4,674 |
| 2013 | $136,200 | $3,800 | $140,000 | $4,318 |
| 2012 | $136,200 | $3,800 | $140,000 | $2,477 |
| 2011 | $136,200 | $3,800 | $140,000 | $1,277 |
| 2010 | $136,200 | $3,800 | $140,000 | $1,255 |
Property facts
Year built
1934
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,386 sqft
Lot size
3,920 sqft
ZIP code
12306
City
Rotterdam
Street
Helderberg Ave
Coordinates
42.78395, -73.95901
Comparable properties nearby
Frequently asked questions
When did 1691 Helderberg Ave last sell?
No public-record sale is on file for 1691 Helderberg Ave.
What is the current tax assessment for 1691 Helderberg Ave?
The most recent total assessment for 1691 Helderberg Ave (year 2025) is $123,500 with $4,612 in property tax.
When was 1691 Helderberg Ave built?
1691 Helderberg Ave was built in 1934.
How does 1691 Helderberg Ave compare to others on Helderberg Ave?
We track 8 other properties on Helderberg Ave. Browse the list under "Other properties on Helderberg Ave" to compare beds, baths, and sale history.
What are the property facts for 1691 Helderberg Ave?
1691 Helderberg Ave is a 3 bed, 1 bath, 1,386 sqft, 3,920 sqft lot single_family.
Is 1691 Helderberg Ave a flip candidate?
No — 1691 Helderberg Ave does not appear in our flips dataset.
Is 1691 Helderberg Ave a tax-appeal candidate?
No — 1691 Helderberg 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
+3.2%
Implied 1-yr
+12.8%
2026 Q3
$377.3K
2026 Q4
$387.3K
ZIP 12306 — Median Price History + Forecast
Explore nearby
Geography
Other properties on Helderberg Ave