Montgomery County, Maryland parcel data

290,457 parcels, each with its boundary and 18 earth observation products measured over it.

Montgomery County in figures

Parcels290,457
Land parcels of 5 acres or more8,596
Land parcels of 40 acres or more959
With a mailing address96%
Touching the 100-year flood zone2.1%
With mapped wetland2.2%
With a stream crossing the parcel4.4%

Acreage counts take each boundary once: a condominium complex is one land parcel however many units it is sold as.

Shares are of the parcels that carry the reading.

Montgomery County: $50 a month. All of Maryland: $400 a month. Searching on the map is free.

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Montgomery County in Maryland

What each parcel record holds

The boundary, the property and mailing addresses, the land use code and the area, from the official parcel layer. Over each boundary: flood zone, wetland, streams, soil, land cover, forest, solar resource, wildfire, climate and more. The parcel record and the earth observation catalog list every field.