Montgomery County and Amsterdam City property record for 421 Locust Ave, #423, Amsterdam, NY 12010
| Property Type | Duplex |
|---|---|
| Details | 4 bd · 2 ba · 1,374 sqft · built 1880 |
| Lot Size | 0.137 acres (6,000 sqft) |
| Owner | Individual Name on File |
| Last Sale | $76,300 (Jul 2007) |
| Tax Bill | $1,858 (2026) |
| Flood Zone | Zone X (minimal risk) |
| APN | 270100 40.9-3-84 |
| Primary APN | 270100 40.9-3-84 |
|---|---|
| Alternative APNs |
|
| Bedrooms | 4 Beds |
|---|---|
| Full Baths | 2 Baths |
| Stories | 2 Stories |
| Building Area | 1,374 sqft Total Area |
| 1st Floor Area | 687 sqft |
| 2nd Floor Area | 687 sqft |
| Year Built | Built 1880 |
|---|---|
| Effective Year Built | Effective 1880 |
| Architectural Style | Traditional |
| Exterior Material | Aluminum/Vinyl |
| Lot Area | 6,000 sqft (0.137 acres) |
| Lot Dimensions | 120 ft deep x 50 ft wide |
| Garage Type | Detached |
| Garage Area | 400 sqft |
| Parking Spaces | 2 Parking Spaces |
| Porch | Enclosed Porch |
| Porch Area | 570 sqft |
| Heating System | Forced Air with A/C |
|---|---|
| Heating Fuel | Gas |
| Sewer | Municipal |
| Water Source | Commercial |
| Account Number | 0210250 |
|---|---|
| Street Address | 421 LOCUST AVE, 423 |
| City | AMSTERDAM |
| State | NY |
| Zip | 12010-1923 |
| Property Category | Residential |
| Property Type | Residential > Multi-Unit > Duplex |
| Local Zoning Code | 02 - SINGL |
| Legal Description | RES 2 G L 50 X 120 |
| Legal Block | 3 |
| Legal Lot Number | 84.000 |
| Jurisdiction | MONTGOMERY NY |
| Township / Civil Division | AMSTERDAM |
| Census Block Group | 1 |
| Census Block | 1019 |
| Census Tract | 70700 |
421 Locust Ave, #423 is owned and occupied by an individual who bought it in July 2007.
Source: Montgomery County and Amsterdam City records, as of September 23, 2026
| Owner of Record | Individual Name on File |
|---|---|
| Mailing Address | 423 LOCUST AVE, AMSTERDAM, NY 12010-1923 |
| Occupancy | Owner Occupied |
| Owner Type | Individual |
Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.
| Deed Names | Name on Deed |
|---|---|
| Last Sale | Jul 20, 2007 · Amount on File |
| Deed Sale | Jul 20, 2007 · Amount on File |
| Prior Sale | Jan 23, 1996 · Amount on File |
| Deed Book / Page | 1564 / 284 |
| Prior Transfer Date | Jul 12, 2007 |
| Record Updated | Oct 29, 2026 |
The 2026 property tax bill for 421 Locust Ave, #423 was $1,858 with a homeowner's exemption, up 102% from the year before.
Source: Montgomery County and Amsterdam City assessment roll, as of May 11, 2026
| Type | Name |
|---|---|
| State | New York |
| Municipality | Amsterdam City |
| County | Montgomery County |
| Unified School District | Amsterdam City School District (PK - 12) |
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,858.00 (+101.96%) Homeowner's exemption | ||
| 2025 | $920.00 | $44,000 Land $4,500 Building $39,500 | $129,412 Land $13,235 Building $116,177 |
| 2023 | $44,000 Land $4,500 Building $39,500 | $102,326 Land $10,465 Building $91,861 | |
| 2020 | $799.00 |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
FEMA maps place 421 Locust Ave, #423 in Zone X, an area of minimal flood risk, within 500 ft of a high-risk flood zone.
Source: FEMA National Flood Hazard Layer, effective November 30, 2022 · OpenFEMA NFIP redacted claims and policies, as of September 2026
| FEMA Flood Zone | Zone X minimal risk |
|---|---|
| Nearest Special Flood Hazard Area | Zone AE, within 500 ft |
| Flood Insurance Requirement | Not required lenders may require it |
| Nearby Flood Policies | 3 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.
The area around 421 Locust Ave, #423 has no burnable land within ember reach, so its wildfire risk is not rated.
Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024
| Wildfire Risk | Not rated no burnable land within ember reach |
|---|
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 | AMSTERDAM (C) serves 20,700 people · EPA ID NY2800136 |
|---|---|
| Water Source | Surface water |
| Last State Inspection | Oct 2025 |
| Lead | 14 ppb (2026) action level 15 ppb |
| Water Quality | None last 10 years |
|---|---|
| Treatment and Procedure | Corrosion control Apr 2022 |
| 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 316 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 |
May also be available: T-Mobile, Verizon.
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