Schenectady County and Rotterdam Town property record for 1663 Helderberg Ave, Schenectady, NY 12306 · Last verified April 2026
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2.5 ba · 1,672 sqft · built 1900 |
| Lot Size | 0.34 acres (14,810 sqft) |
| Owner | Company Name on File |
| Last Sale | $200,500 (Jun 2024) |
| Tax Bill | $1,527 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 422800 59.5-3-4 |
| Primary APN | 422800 59.5-3-4 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2.5 Baths |
| Half Baths | 1 Half Bath |
| Stories | 2 Stories |
| Building Area | 1,672 sqft Total Area |
| 1st Floor Area | 836 sqft |
| 2nd Floor Area | 836 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1985 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 14,810 sqft (0.34 acres) |
| Lot Dimensions | 440 ft deep x 60 ft wide |
| Porch | Slab |
|---|---|
| Porch Area | 50 sqft |
| Shed | 1 Shed |
| Shed Area | 100 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 1663 HELDERBERG AVE |
|---|---|
| City | SCHENECTADY |
| State | NY |
| Zip | 12306-4633 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Legal Description | R,APT 1.A-87-17 |
| Legal Block | 3 |
| Legal Lot Number | 4.001 |
| Jurisdiction | SCHENECTADY NY |
| Township / Civil Division | ROTTERDAM |
| Census Block Group | 1 |
| Census Block | 1027 |
| Census Tract | 33300 |
Source: Schenectady County and Rotterdam Town records · APN 422800 59.5-3-4
Assessment roll updated April 14, 2026 · Last verified April 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 2870 GIFFORDS CHURCH RD, DUANESBURG, NY 12056-3902 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | Jun 18, 2024 · Amount on Record |
| Deed Sale | Jun 18, 2024 · Amount on Record |
| Prior Sale | Aug 21, 2000 · Amount on Record |
| Deed Document Number | 202437008 |
| Deed Book / Page | 2132 / 891 |
| Prior Transfer Date | Oct 27, 2004 |
| Prior Transfer Doc | 0016920246 |
| Record Updated | Jun 08, 2026 |
Source: Schenectady County and Rotterdam Town records · Assessment roll updated April 14, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | New York |
| County | Schenectady County |
| County Subdivision | Rotterdam Town |
| Unified School District | Rotterdam-Mohonasen Central School District (KG - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2025 | $1,527.00 | $120,500 (-8.02%) Land $13,300 Building $107,200 | $185,400 (+7.54%) Land $20,463 Building $164,937 |
| 2023 | $131,000 Land $23,800 Building $107,200 | $172,400 Land $31,322 Building $141,078 |
Source: FEMA National Flood Hazard Layer, Schenectady County (36093C), updated January 7, 2014 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone X |
|---|---|
| Special Flood Hazard Area | No |
| Flood Hazard | Minimal |
| 500-Year Floodplain | No |
| Wildfire Risk | Not rated no burnable land in reach |
|---|---|
| Wildfire Likelihood | Negligible |
| Exposure | None beyond ember reach |
Values are read at the parcel center point; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 532 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Greenlight Networks Holding | Fiber | 8,000 / 8,000 |
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fiber | 980 / 880 |
| T-Mobile USA | Fixed Wireless | 100 / 20 |
May also be available at this address: Verizon, Spectrum. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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