1977 Helderberg Ave
Rotterdam, NY 12306
3 bd 1 ba 1,640 sqft Built 1945 Lot 8,712 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 | $160,000 | $15,000 | $175,000 | $5,887 |
| 2024 | $160,000 | $15,000 | $175,000 | $5,194 |
| 2023 | $160,000 | $15,000 | $175,000 | $5,837 |
| 2022 | $160,000 | $15,000 | $175,000 | $6,391 |
| 2021 | $160,000 | $15,000 | $175,000 | $6,618 |
| 2020 | $160,000 | $15,000 | $175,000 | $5,563 |
| 2018 | $174,000 | $15,000 | $189,000 | $3,487 |
| 2016 | $174,000 | $15,000 | $189,000 | $5,877 |
| 2015 | $174,000 | $15,000 | $189,000 | $5,777 |
| 2014 | $170,900 | $18,100 | $189,000 | $8,095 |
| 2013 | $170,900 | $18,100 | $189,000 | $5,800 |
| 2012 | $170,900 | $18,100 | $189,000 | $5,508 |
| 2011 | $170,900 | $18,100 | $189,000 | $4,595 |
| 2010 | $170,900 | $18,100 | $189,000 | $4,521 |
Property facts
Year built
1945
Property type
single_family
Stories
—
Beds
3
Baths
1
Living area
1,640 sqft
Lot size
8,712 sqft
ZIP code
12306
City
Rotterdam
Street
Helderberg Ave
Coordinates
42.77718, -73.95879
Comparable properties nearby
Frequently asked questions
When did 1977 Helderberg Ave last sell?
No public-record sale is on file for 1977 Helderberg Ave.
What is the current tax assessment for 1977 Helderberg Ave?
The most recent total assessment for 1977 Helderberg Ave (year 2025) is $175,000 with $5,887 in property tax.
When was 1977 Helderberg Ave built?
1977 Helderberg Ave was built in 1945.
How does 1977 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 1977 Helderberg Ave?
1977 Helderberg Ave is a 3 bed, 1 bath, 1,640 sqft, 8,712 sqft lot single_family.
Is 1977 Helderberg Ave a flip candidate?
No — 1977 Helderberg Ave does not appear in our flips dataset.
Is 1977 Helderberg Ave a tax-appeal candidate?
No — 1977 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