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NYS ITS GIS Program Office

Geographic Information Systems Clearinghouse

Niagara County

2 Data Sets
  Data Set Name Description
1. Niagara Co. RPS Parcels
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Revised: July 2021
This parcel data is created by way of a tabular join between the Assessors' 2021 Final Assessment Roll (attributes), as of July 1, 2021 and tax mapping polygon data maintained by the Niagara County office of Real Property Tax Services. The primary key used in this join is the prinktkey field (also referred to as the PIN or SBL). Assessment attribute data (tabular) is created from the GIS module within the RPSV4 CAMA software system (values maintained by Assessors). GIS polygon data maintained by the Niagara County office of Real Property Tax Services. Parcel Boundaries are approximations, rendering created by interpretation of deed descriptions. 
2. Niagara County Parcel Polygon & Assessment
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Revised: Aug 2019
Point Shape Files GIS ownership information created from the RPSV4 gis point shape extract file. All RPSV4 data from Assessor's 2017 Final Roll , complete as of July 1, 2017. Point Shape Files are for the twelve towns, inclusive of the five villages, the three cities and the merged county file. All special districts included as attributes (see PtsCounty.shp). All owner mailing information included as a separate file (see Mailing.csv or .dbf) and joined to the PtsNiaCo_mail.shp file as well.PointShpFiles of Niagara County Sales occurring after March 1, 2017 and before June 1, 2017 are included for the fifth consecutive year (see SalesCOUNTY.shp). Some sales are through June 16, 2017 however, not enough to classify the entire county.Metadata has been updated on the Merged County file only.Projection is the New York State Plane Coordinate System Western Zone NAD83.