Montgomery County GIS Property Maps (Maryland)

Search for Montgomery County, MD GIS maps and property maps. Property maps show property and parcel boundaries, municipal boundaries, and zoning boundaries, and GIS maps show floodplains, air traffic patterns, and soil composition.


Montgomery County Assessors determine the value of properties and parcels in order to assess property taxes in Montgomery County, MD. The Assessor's Office maintains current data on every parcel in the district, which includes Montgomery County GIS maps, tax maps, and property maps. These maps show property lines, structures, addresses, and the value of properties in the Assessor's jurisdiction. Tax Assessor's Offices provide online access to property maps.

Montgomery County Assessment Office Rockville MD 30 West Gude Drive 20850 240-314-4510


Montgomery County Building Departments develop and enforce building codes to ensure the construction of safe buildings in Montgomery County, MD. The Building Department maintains records on design plans for construction and renovation projects, which can include Montgomery County GIS maps and zoning maps. These maps show property lines, current structures on the parcel, and modifications to any structures, including new buildings. Many Building Depts provide online databases to access GIS databases, maps and related property information.

Gaithersburg Planning Department Gaithersburg MD 31 South Summit Avenue 20877 301-258-6330

Maryland Planning Department North Potomac MD 14211 Quince Orchard Road 20878 301-208-0200

Montgomery County Permits Rockville MD 255 Rockville Pike 20850 240-777-6300

Rockville City Zoning Rockville MD 111 Maryland Avenue 20850 240-314-8220

Rockville Permits Rockville MD 111 Maryland Ave 20850 240-314-8240


Montgomery County Clerks file documents and preserve municipal records in order to maintain an archive in Montgomery County, MD. The Clerk's Office contains a number of documents on property, including GIS maps and property maps that show property lines, registered lands, and, in some cases, property tax assessments. Montgomery County GIS maps may also include information on soil composition, floodplains, air traffic, and more. Many County Clerk Offices provide online databases to access GIS and property maps.

Montgomery County Clerk Rockville MD 50 Maryland Avenue 20850 240-777-9464


Montgomery County Recorders of Deeds collect public records, primarily documents related to property, and make them available to the public in Montgomery County, MD. The Deeds Registrar maintains records on land transactions within its jurisdiction, including Montgomery County GIS and property maps. These maps show property lines, Montgomery County property and parcel surveys, and, in some cases, property transactions and tax liens. Many Recorders of Deeds provide online databases to access free GIS maps, as well as related property information.

Montgomery County Recorder of Deeds Rockville MD 50 Maryland Avenue 20850 240-777-9466


Montgomery County Town Halls or City Halls are the chief administrative offices that run a town or city in Montgomery County, MD. The Town or City Hall maintains property records related to the locality, including Montgomery County GIS maps. These maps show Montgomery County property lines, municipal boundaries, zoning boundaries, and property value assessments. GIS maps of Montgomery County may also include information on soil composition, floodplains, air traffic, and more. Many Town and City Halls provide online databases to access GIS and property maps.

Barnesville Town Hall Barnesville MD 18001 Barnesville Road 20838 240-489-3036

Chevy Chase Town Hall Chevy Chase MD 4301 Willow Lane 20815 301-654-7144

Gaithersburg City Hall Gaithersburg MD 31 South Summit Avenue 20877 301-258-6300

Glen Echo Town Hall Glen Echo MD 6106 Harvard Avenue 20812 301-320-4041

Kensington Town Hall Kensington MD 3710 Mitchell Street 20895 301-949-2424

Laytonsville Town Hall Gaithersburg MD 21607 Laytonsville Road 20882 301-869-0042

Poolesville Town Hall Poolesville MD 19721 Beall St 20837 301-428-8927

Rockville City Hall Rockville MD 111 Maryland Avenue 20850 240-314-5000

Somerset Town Hall Chevy Chase MD 4510 Cumberland Avenue 20815 301-657-3211

Takoma Park City Hall Takoma Park MD 7500 Maple Avenue 20912 301-891-7100

Washington Grove Town Hall Washington Grove MD 300 Grove Avenue 20880 301-926-2256


Montgomery County Treasurers and Tax Collectors are responsible for the collection of property tax revenue in Montgomery County, MD. The Office of the Treasurer and Tax Collector maintains current data on every parcel in the district, which includes property maps complete with Montgomery County GIS data. These maps show property lines, structures, addresses, and the value of properties in the Treasurer and Tax Collector's Montgomery County assessment roll. Many Treasurers and Tax Collectors provide online databases to access GIS and property maps, as well as related property information.

Montgomery County Treasurer's Office Rockville MD 101 Monroe Street 20850 240-777-8860

Silver Springs Treasurer Silver Spring MD 8824 Cameron Street 20910 301-587-7776