Homecastr public reference coverage boundaries
Public Census TIGERweb and Natural Earth reference boundaries used only to locate coverage regions. These are not source-native parcel, permit, assessor, utility, building, zoning, hazard, benchmark, or transaction geometries.
U.S. Census Bureau TIGERweb generalized states
U.S. Census Bureau TIGERweb generalized counties

U.S. Census Bureau TIGERweb generalized states
Census state reference boundary for the United States and District of Columbia; not source-native national parcel, assessor, permit, or benchmark geometry.

U.S. Census Bureau TIGERweb generalized counties
Census county reference boundary for Maricopa and Pinal counties; not MAG, assessor, parcel, zoning, or utility native geometry.

U.S. Census Bureau TIGERweb generalized states
Census state reference boundary for Texas; not TXGIO or statewide source-native parcel geometry.

U.S. Census Bureau TIGERweb generalized counties
Census county reference boundary for a five-county Austin metro proxy; not Austin permit, parcel, or planning native geometry.

Census county reference boundary for Harris County; not Houston or Harris County source-native parcel/permit geometry.

Census county reference boundary for the five New York City county equivalents; not NYC source-native building, parcel, permit, or PLUTO geometry.

Census county reference boundary for Cook County; not Chicago or Cook County source-native parcel, permit, or assessor geometry.

Census county reference boundary for King County; not Seattle or King County source-native parcel, permit, or assessor geometry.

Census county reference boundary for San Francisco County; not San Francisco source-native parcel, permit, or assessor geometry.

Census county reference boundary for Philadelphia County; not Philadelphia source-native parcel, permit, or assessor geometry.

Census state reference boundary for Florida; not Florida DOR source-native parcel, roll, or benchmark geometry.

Census county reference boundary for Miami-Dade County; not Miami-Dade source-native parcel, permit, or assessor geometry.

Census state reference boundary for Massachusetts; not MassGIS source-native assessor geometry.

Natural Earth country reference boundary for Canada; not Canada source-native parcel, assessment, or benchmark geometry.

Natural Earth country reference boundary for the United Kingdom; not UK source-native price-paid or rate geometry.

Natural Earth country reference boundary for France; not DVF, INSEE, or Banque de France source-native geometry.