Map Index Sheets from Block and Lot Grid of Property Assessment and based on aerial photography, showing 1983 datum with solid line and NAD 27 with 5 second grid tics and italicized grid coordinate markers and outlines of map sheet boundaries. Each grid square is 3500 x 4500 feet. Each Index Sheet contains 16 lot/block sheets, labeled from left to right, top to bottom (4 across, 4 down): A, B, C, D, E, F, G, H, J, K, L, M, N, P, R, S. The first (4) numeric characters in a parcelID indicate the Index sheet in which the parcel can be found, the alpha character identifies the block in which most (or all) of the property lies.
Creator
Allegheny County
Publisher
Western Pennsylvania Regional Data Center Open Data
Subject
Other
Temporal Coverage
Last Modified: 2026-02-21
Date Issued
2023-05-21
Rights
License not specified
Access Rights
Public
Language
English
Date Added
March 31, 2026
Provenance Statement
The metadata for this resource was last retrieved from Western Pennsylvania Regional Data Center Open Data on 2026-03-30.
Allegheny County (2023). Allegheny County Map Index Grid. Western Pennsylvania Regional Data Center Open Data. https://data.wprdc.org/dataset/allegheny-county-map-index-grid (dataset)