Clinton County and Plattsburgh City property record for 21 Prospect Ave, Plattsburgh, NY 12901 · Last verified April 2026
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,386 sqft · built 1960 |
| Lot Size | 0.234 acres (10,200 sqft) |
| Owner | 2 Individual Names on File |
| Tax Bill | $3,171 (2025) |
| Flood Zone | Zone X (minimal risk) |
| APN | 091300 221.6-5-30 |
| Primary APN | 091300 221.6-5-30 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 1 Story |
| Building Area | 1,386 sqft Living Area |
| 1st Floor Area | 1,386 sqft |
| Game Room | Game Room |
| Year Built | Built 1960 |
|---|---|
| Effective Year Built | Effective 1960 |
| Architectural Style | Ranch |
| Exterior Material | Wood |
| Lot Area | 10,200 sqft (0.234 acres) |
| Lot Dimensions | 150 ft deep x 68 ft wide |
| Garage Type | Attached |
| Garage Area | 288 sqft |
| Parking Spaces | 1 Parking Space |
| Porch | Slab |
| Porch Area | 242 sqft |
| Patio Area | 84 sqft |
| Heating Fuel | Electric |
|---|---|
| Sewer | Municipal |
| Water Source | Commercial |
| Street Address | 21 PROSPECT AVE |
|---|---|
| City | PLATTSBURGH |
| State | NY |
| Zip | 12901-1321 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Legal Description | SIN FR DWLG GARLOT |
| Legal Block | 5 |
| Legal Lot Number | 30.000 |
| Jurisdiction | CLINTON NY |
| Township / Civil Division | PLATTSBURGH |
| Census Block Group | 3 |
| Census Block | 3012 |
| Census Tract | 101000 |
Source: Clinton County and Plattsburgh City records · APN 091300 221.6-5-30
Assessment roll updated March 30, 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 | 2 Individual Names on File |
|---|---|
| Mailing Address | 21 PROSPECT AVE, PLATTSBURGH, NY 12901-1321 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | 2 Verified Names on Deed |
|---|---|
| Record Updated | Jun 08, 2026 |
Source: Clinton County and Plattsburgh City records · Assessment roll updated March 30, 2026 · Last verified April 2026
| Type | Name |
|---|---|
| State | New York |
| County | Clinton County |
| Municipality | Plattsburgh City |
| Unified School District | Plattsburgh City School District (PK - 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 | $3,171.00 | $267,300 (+30.71%) Land $33,700 Building $233,600 | $267,300 (+30.71%) Land $33,700 Building $233,600 |
| 2023 | $204,500 Land $33,700 Building $170,800 | $204,500 Land $33,700 Building $170,800 |
Source: FEMA National Flood Hazard Layer, Clinton County (36019C), updated June 20, 2024 · 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 195 locations within about half a mile of this property
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Spectrum | Cable | 1,000 / 1,000 |
| Verizon | Fiber | 980 / 880 |
May also be available at this address: Verizon, Westelcom Network. Availability varies by address; speeds are provider-advertised maximums, not measured.
5G and 4G LTE
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