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In 1998 the City of Edmond and the Oklahoma County Assessor's Office reached a data sharing agreement and Edmond received all of the digitized parcels from the County. The parcel DGN files were converted, transformed and polygons were built. They were then adjusted to the City's base planimetric and orthophotography. Some address attributes were carried over from Oklahoma County Assessor's database. The address match rate was initially 65%. An intensive in-house effort was required to raise the match rate to 95%. Accuracy of this data set is from 3 -10ft. The City of Edmond has modified and updated the information using aerial photos, plat drawings, boundary surveys, lot split documents, and warranty deeds. The parcel data is generally updated every 2-3 months. |