Platbookmapper County GIS Directory

District of Columbia · All counties

District of Columbia Parcel Maps & Official GIS

The District of Columbia is a single jurisdiction—not a list of counties. This hub points you to the official District property and GIS resources that publish squares, lots, and tax lots.

Squares, lots, and DC property search

We link out only. Platbookmapper does not host District parcel geometry. Open the official viewer from the list below (or verify via the national map), then search by street address, Square/Suffix/Lot identifiers common on DC tax records, or owner when published.

DC’s cadastral language differs from county PIN systems elsewhere: historic squares and lots, alley lots, and condominium units each carry their own identifiers. Federal reservations and National Park Service lands sit beside taxable lots—confirm you selected a private or District-taxable parcel before citing ownership.

Online maps support assessment and planning research. They are not surveys. Boundary questions belong with recorded plats, the Office of the Surveyor, or a licensed professional.

Condo regimes and cooperative buildings can hide unit identifiers behind a square/lot parent. Use the official search fields rather than guessing from the basemap footprint. If a federal facility dominates the block, pan carefully—taxable lots often ring the reservation. We only deep-link; DC maintains the data.

All District of Columbia county (1)

1 with curated official GIS links; remaining counties use the verify path via the map.

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Frequently asked questions

How do I find a District of Columbia county parcel map?

Pick your county on this District of Columbia hub (or on the national Platbookmapper map), then open the official GIS / parcel viewer link. Each county maintains its own app — we link out and do not host parcels.

Are District of Columbia online parcel maps survey-grade?

No. County GIS parcels are tax and planning layers. For legal boundaries, use a recorded plat or hire a licensed surveyor.

Why do some District of Columbia counties say Verify via map?

We only mark a county Listed when we have a curated direct interactive viewer URL. Verify counties still open from the national map with the best available outbound link — always confirm it is the official local source.

Does Platbookmapper draw property lot lines?

No. We do not host or redraw parcel geometry. Our product is a USA → county → official GIS link directory so you can open the local interactive map in a new tab.