Blog · October 14, 2026 · New York
Using a Tompkins County Plat Book today
If you're looking near Jacksonville, plat books show ownership by township; the parcel viewer shows it today.
Main page: Tompkins County, NY GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Want a copy of the Tompkins County plat book? It's a printed atlas of landownership, usually by township, popular with hunters, farmers and buyers near Ithaca. Covered here for Tompkins County: how the atlas is organized, where to find editions, and how the county viewer fills the gaps.
Tracking down a Tompkins County plat book
For land near Enfield, plat books are commercial atlases, showing rural owners and tract lines, usually township by township.
The viewer Tompkins County publishes
Your first stop is the Tompkins County ArcGIS parcel map; it maps each tax parcel around South Hill and Lansing. For a parcel near Ellis Hollow, put in a street address, an owner's name or a parcel number, and the matching parcel lights up. Closer to Forest Home, copy the parcel ID from that panel; every records desk in the county asks for it first.
A word on accuracy
On ground around Groton, listed acreage is a tax-roll number; only a licensed surveyor sets the real boundary on the ground. Closer to Dryden, owner names and values update on a schedule, so a deed recorded last month may not show yet.
Finding a printed edition
Editions come and go depending on publishers, try the county extension office, recorder's office or library near Caroline.
Common uses
Farmers, hunters and appraisers near Lansing use plat books to see ownership across many tracts at once.
Getting answers from the right desk
Questions about value or the owner field for land near Ellis Hollow belong with the county Real Property Tax Services office, which maintains the tax roll. Building or septic questions for a lot near Danby need the planning or permitting office, depending on whether the land is inside town limits.
Making your own township pages
Screenshot each section of the viewer around Lansing and keep them in a binder for the truck.
Recorded documents worth pulling
When the details count, get the recorded deed from the County Clerk; the viewer just points to it, which applies near Caroline as much as anywhere. Long-held tracts around Groton may go back through a long string of deeds, and a title company earns its fee if money is changing hands.
Next door to Tompkins County
The county borders Cayuga County, Chemung County, Cortland County, Schuyler County, and Seneca County, all with their own assessor records, especially near Danby. Ground near Danby that runs to the line can be split across two assessors' files, so check the neighboring map as well. Out toward Ithaca, the Platbookmapper state page lists each bordering county map for New York.
Legal descriptions in New York
Tracts outside towns near Podunk commonly use metes-and-bounds descriptions, listing bearings, distances and landmarks. Platted lots around Ithaca refer to a recorded plat, making them easier to find. Keep the legal description for land near Ithaca before you request a deed or survey.
Taking the map into the field
The parcel map usually runs in a mobile browser, handy when you're parked on a road near Ellis Hollow, though signal can drop in rural spots. A screenshot of the parcel near Groton with its ID helps when you meet an owner or agent.
Getting your bearings
Ithaca serves as the county seat, where most land records are kept. Smaller places on the map include Caroline, Danby, Dryden, and Enfield. About 103,558 people call Tompkins County home (Census Bureau estimate, 2023) spread over about 475 square miles. The county dates to 1817, which matters when you trace an old farm's title, at least around Jacksonville.
Using the parcel viewer instead
For current names, use the Tompkins County ArcGIS parcel map, including rural land around Lansing.
Atlas or legal document
For property near Jacksonville, a plat book is not a recorded plat: the recorded plat at the County Clerk is a legal document, while the atlas is a reference.
Quick answers
Is a plat book the same as a recorded plat around Caroline?
On ground around South Hill, a plat book is a privately published atlas.
Plat book or parcel viewer near Ellis Hollow?
Short answer: the county ArcGIS parcel map is free and updated more often around Lansing.
How do I research old landowners for land near Forest Home?
For most people, state archives near South Hill may have copies; call ahead.
Who sells plat books around Groton?
For land near Groton, it depends on whether a publisher has a current edition; online parcel maps fill the gaps.
Is there a way to export the map around Forest Home?
For a home near Groton, use the print button or a screenshot; downloads of raw data vary by county.
Open the official Tompkins County, NY parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.