New York · FIPS 36057 · County seat: Fonda
Montgomery County, NY GIS & Parcel Viewer
Here is the direct link to the statewide parcel map covering Montgomery County, NY: NYS Tax Parcels Public layer (ArcGIS Map Viewer). Below you'll find basic facts about the county, steps for using the viewer, and nearby counties.
Open the Montgomery County statewide map ↗
Opens arcgis.com in a new tab. We link out and never embed or copy parcel data.
Montgomery County at a glance
| Official map | NYS Tax Parcels Public layer (ArcGIS Map Viewer) |
|---|---|
| Type | Statewide map (covers all of New York) |
| Website | arcgis.com |
| Access | Free, no login (checked Oct 2026) |
| County seat | Fonda |
| Population | 49,368 (2023 Census Bureau estimate) |
| Land area | 403 sq mi |
| FIPS code | 36057 |
Where the parcel data comes from
This is a statewide map, not a county site. NYS Tax Parcels Public layer (ArcGIS Map Viewer) covers parcels across New York, and Montgomery County is one part of it. A statewide layer can trail the county's own books by weeks or months, so treat it as a fast first look rather than the final word. When we tested the link in October 2026 it opened with no login and no fee.
How to use the Montgomery County viewer
- Open NYS Tax Parcels Public layer (ArcGIS Map Viewer) in a new tab and zoom to Montgomery County (around Fonda).
- Type a street address into the search box, or click directly on a parcel.
- Review the parcel attributes; field names vary by state.
- Confirm anything important with the county assessor, since the statewide layer is a compiled copy.
Have a tax bill handy? The parcel or account number on it is usually the fastest way to search.
Montgomery County by the numbers
The U.S. Census Bureau estimated Montgomery County's population at 49,368 in 2023, spread over about 403 square miles of land, or roughly 123 people per square mile. Among New York's 62 counties, it is the 46th largest by population. The county seat is Fonda.
Counties next to Montgomery County
Montgomery County shares a border with the counties below. Each link has its own official map:
- Fulton County (state list)
- Herkimer County
- Otsego County
- Saratoga County
- Schenectady County
- Schoharie County (state list)
A note on accuracy
Online parcel lines are drawn for tax and planning use. They can be off by several feet, so use a recorded plat or a licensed surveyor for fences, setbacks or a sale.