Rensselaer County and Troy City property record for 21 Walnut St, Troy, NY 12180
| Property Type | Single Family Home |
|---|---|
| Details | 3 bd · 1 ba · 1,072 sqft · built 1900 |
| Lot Size | 0.03 acres (1,307 sqft) |
| Owner | Individual Name on File |
| Last Sale | $54,000 (Feb 2007) |
| Tax Bill | $3,941 (2026) |
| APN | 381700 101.79-1-16 |
| Primary APN | 381700 101.79-1-16 |
|---|---|
| Alternative APN |
|
| Bedrooms | 3 Beds |
|---|---|
| Full Baths | 1 Bath |
| Stories | 2 Stories |
| Building Area | 1,072 sqft Living Area |
| 1st Floor Area | 632 sqft |
| 2nd Floor Area | 440 sqft |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Other |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 1,307 sqft (0.03 acres) |
| Lot Dimensions | 72 ft deep x 23 ft wide |
| Heating System | HVAC |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 1807730 |
|---|---|
| Street Address | 21 WALNUT ST |
| City | TROY |
| State | NY |
| Zip | 12180-4239 |
| Property Category | Residential |
| Property Type | Residential > Single Family > Home |
| Local Zoning Code | MU2 |
| Legal Description | 2 STY FR HSE 470-A13/WPT 29 |
| Legal Block | 1 |
| Legal Lot Number | 16.000 |
| Jurisdiction | RENSSELAER NY |
| Township / Civil Division | TROY |
| Census Block Group | 1 |
| Census Block | 1016 |
| Census Tract | 40702 |
21 Walnut St is owned and occupied by an individual who bought it in February 2007.
Source: Rensselaer County and Troy City records, as of September 23, 2026
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 21 WALNUT ST, TROY, NY 12180-4239 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Feb 13, 2007 · Amount on File |
| Deed Sale | Feb 13, 2007 · Amount on File |
| Prior Sale | Jan 24, 2001 · Amount on File |
| Deed Book / Page | 3981 / 98 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 21 Walnut St was $3,941 with a homeowner's exemption, up 3.2% from the year before.
Source: Rensselaer County and Troy City assessment roll, as of May 15, 2026
| Type | Name |
|---|---|
| State | New York |
| County | Rensselaer County |
| Municipality | Troy City |
| Unified School District | Troy City School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $3,941.00 (+3.19%) Homeowner's exemption | ||
| 2025 | $3,819.00 | $55,000 Land $4,500 Building $50,500 | $94,200 Land $7,707 Building $86,493 |
| 2023 | $55,000 (-) Land $4,500 Building $50,500 | $78,600 (+8.61%) Land $6,431 Building $72,169 | |
| 2022 | $2,026.00 Homeowner's exemption | $55,000 Land $4,500 Building $50,500 | $72,368 Land $5,921 Building $66,447 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA's flood maps do not cover 21 Walnut St; 2 flood insurance policies are in force nearby.
Source: FEMA National Flood Hazard Layer, effective January 12, 2016 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Not included in the FIRM |
|---|---|
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 2 in force |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Wildfire risk around 21 Walnut St is low, with less than a 0.01% annual chance of wildfire.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Low lower than 94% of the US · lower than 91% of New York |
|---|---|
| Wildfire Likelihood | Under 0.01% annual chance |
| Exposure | Direct burnable vegetation |
Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.
Source: EPA Safe Drinking Water Information System, as of September 2026
| Water System | TROY CITY PWS serves 51,401 people · EPA ID NY4100050 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Dec 2025 |
| Lead | 110 ppb (2026) action level 15 ppb |
| Water Quality | Total trihalomethanes resolved · Jan 2018 |
|---|---|
| Treatment and Procedure | Lead public education Oct 2021 |
| Monitoring and Reporting | None last 3 years |
Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.
Source: FCC Broadband Data Collection, based on 472 locations within half a mile, as of December 31, 2025
| Provider | Max Down / Up (Mbps) |
|---|---|
| Spectrum Cable · Fiber in parts of the area | 1,000 / 1,000 |
| Verizon Fixed Wireless | 300 / 20 |
Search by:
By searching, you agree to: Terms • Privacy • Disclosures