Property & Housing
● Parcel: The exact legal shape and boundaries of individual property or land plots.
● Condo: Outlines showing individual condominium units and complex boundaries.
● Subdivision: Neighborhood boundaries showing residential developments, their lot
counts, and creation dates.
Addresses, Roads & Infrastructure
● Address Point: Specific dot locations mapped directly to street addresses, used mainly
by emergency responders to find exact front doors or driveway entries.
● Street Centerline: Lines running down the middle of paved public and private roads,
used for navigation and route planning.
● Dedicated ROW (Right of Way): Lines marking public land set aside along roads for
streets, sidewalks, and utilities.
Administrative & Boundaries
● Municipality: Legal borders for incorporated cities and villages (like Delaware, Powell,
or Sunbury) that have local governments and taxes.
● Township: Legal local government districts dividing the county outside of city limits.
● Zip Code: Geographic zones created by the postal service to organize mail delivery and
group addresses.
● School District: Regional zones that decide which public schools serve children living in
specific areas.
● Tax District: Specific geographic zones where property owners pay the same set of
local tax rates.
Historical & Land Records
● PLSS (Public Land Survey System): A historical grid system used to divide and survey
public land, originally used to grant land awards to Revolutionary War veterans.
● Farm Lot: Historical land subdivisions created within the older military survey grid
system.
● Map Sheet: Index grid tiles used by local offices to split the county into manageable
paper tax map pages.
● Recorded Document: Reference points linking specific addresses to filed county land
records, like land surveys and legal filings