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In Maryland each local jurisdiction is responsible for its own zoning, with the exception of certain municipalities that do not exercise planning and zoning authority particularly many of the towns in Prince George’s County. In larger, more developed jurisdictions there can be a hundred or more zoning categories. Because each county is uniquely different, the Maryland Department of Planning (MDP) developed a system of zoning uniformity to help state agencies and other planning stakeholders grasp the big picture. To simplify this local zoning matter for regional and state planning purposes, MDP created Generalized Zoning Categories. These categories are based on the specific zoning criteria, intent of the zone, and allowable density range for each county and all municipalities with planning and zoning authority. There are three main Generalized Zoning Categories: Rural, Residential, and Other. These three main categories are broken down even further into 11 Generalized Zoning Districts. |
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In Maryland each local jurisdiction is responsible for its own zoning, with the exception of certain municipalities that do not exercise planning and zoning authority particularly many of the towns in Prince George’s County. In larger, more developed jurisdictions there can be a hundred or more zoning categories. Because each county is uniquely different, the Maryland Department of Planning (MDP) developed a system of zoning uniformity to help state agencies and other planning stakeholders grasp the big picture. To simplify this local zoning matter for regional and state planning purposes, MDP created Generalized Zoning Categories. These categories are based on the specific zoning criteria, intent of the zone, and allowable density range for each county and all municipalities with planning and zoning authority. There are three main Generalized Zoning Categories: Rural, Residential, and Other. These three main categories are broken down even further into 11 Generalized Zoning Districts. |
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Maryland Department of Planning, MDP |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The 2025 version of generalized zoning updated the county level zoning from the previous version by aggregating zoning map updates, text amendments, and zoning overhauls that are provided by the counties. It also updated the generalized zoning for all municipal annexations that MDP received for review since the 2020 update though September 2025. Zoning updates not related to annexations for municipalities with zoning authority will be updated at a later date. </SPAN></P><P><SPAN>Generalized zoning data is not meant to substitute for local zoning information and should not be used to determine permissible uses or other potential development of a specific property. For information on local zoning, contact the local zoning office for the county or municipality in which you are interested. </SPAN></P><P><SPAN>Fields include:</SPAN></P><P><SPAN>Generalized Zoning (String, 30) – Generalized zoning based on MDP generalized zoning categories and dwelling units per acre as described by a zoning ordinance. </SPAN></P><P><SPAN>Generalized Zoning Categories (String, 255) – Link to Maryland Department of Planning Generalized Zoning Categories (word document). </SPAN></P><P><SPAN>Jurisdiction Code (String, 4) – Four letter county code: ALLE (Allegany), ANNE (Anne Arundel), BACI (Baltimore City), BACO (Baltimore County), CALV (Calvert), CARO (Caroline), CARR (Carroll), CECI (Cecil), CHAR (Charles), DORC (Dorchester), FRED (Frederick), GARR (Garrett), HARF (Harford), HOWA (Howard), KENT (Kent), MONT (Montgomery), PRIN (Prince George’s) QUEE (Queen Anne’s), SOME (Somerset), STMA (St. Mary’s), TALB (Talbot), WASH (Washington), WICO (Wicomico), WORC (Worcester). </SPAN></P><P><SPAN>MUNICIPALITY_NAME (String, 50) – Name of municipality if zoning is municipal. A blank value ' ' means zoning comes from the county zoning.</SPAN></P><P><SPAN>UPDATEYR (String, 10) – Date (YYYYMMDD) of when MDP collected the generalized zoning data from the local jurisdiction. It should be noted that this is not necessarily the same date as when the local government updated its zoning map. If the month or day is unknown, the date is YYYY0000.</SPAN></P><P><SPAN>SOURCE (String, 255) - Link to more information.</SPAN></P></DIV></DIV></DIV> |
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<DIV STYLE="text-align:Left;"><DIV><DIV><P><SPAN>The zoning information contained in this dataset was obtained from Maryland counties and municipalities and represents a snapshot in time of local zoning using generalized zoning nomenclature that groups uses and densities. This information is intended to be used for general planning at the state and regional level and should not be used to evaluate permitted uses for a specific property within a jurisdiction. Furthermore, this generalized information does not consider local environmental constraints and other development regulations, such as subdivision regulations. For the most accurate and up to date information about a property or an area of a jurisdiction, and to determine the development potential of a property, please contact the local planning and zoning agency. Note the zoning data was collected between 2018 and 2020, and the zoning tables and maps were reviewed by local governments in 2021 and 2022. MDP did not remove overlap within the aggregated data, for example, if a municipal zoning map included a recent annexation that was still under county jurisdiction when the county provided its zoning data. Since aggregating this map, some recent annexations may have occurred which could have overlapping and possibly conflicting zoning associated with the annexed property, although since it is generalized the likelihood may be minimal; however, the specific zoning data should not be relied upon to determine a permitted use. To find information about recent municipal annexations, please access the municipal laws list on the Maryland General Assembly website. </SPAN></P><P><SPAN>The generalized zoning dataset is a public resource for general information and broad planning purposes. MDP cannot guarantee the accuracy of the information contained in this resource. Each user of this resource is responsible for determining its suitability for his or her intended use or purpose. MDP or the State of Maryland has no liability from any damages or misinterpretations caused by the use of this resource. Any errors or omissions should be reported to the MDP, Planning Data and Research Division.</SPAN></P></DIV></DIV></DIV> |
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Generalized Zoning |
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["Maryland","Maryland Department of Planning","Planning","Geospatial Data and Analysis","GIS","Generalized Zoning"] |
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en-US |
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