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    Help us serve you better by completing this survey about your experience using Maryland's Open Data Portal, data.maryland.gov.
  • Contact Us!

    Can't find the data you're looking for? Found a dataset which needs to be updated? Questions about a dataset or map? Contact the Department of Information Technology's Service Desk: service.desk@maryland.gov or 410-697-9700
  • data.maryland.gov

    Welcome to data.maryland.gov, Maryland's Open Data Portal. This site is a central location for Maryland's public data, increasing government transparency and accountability by providing Marylanders with an unprecedented level of access to their state government.
  • Does Your Town Want Its Own Open Data Site?

    Do you work for a town, city, or county which wants its own Open Data site for free? The State of Maryland will build and host your Open Data site. Anywhere with under 100,000 people is eligible. Click here to contact us and get started.
  • Updated Links to MD iMAP GIS Service Layers

    Over 600 maps from MD iMAP, Maryland's mapping and GIS data portal, are now part of the statewide data catalog. Click here to see the full list, and to find updated map layer links associated with deprecated links.
  • GIS Software Master Contract

    Find out about Functional Areas, PORFP Procedures, and Master Contractor Products
  • Customer Satisfaction Survey - Let Us Know What You Think
  • Contact Us!
  • data.maryland.gov
  • Does Your Town Want Its Own Open Data Site?
  • Updated Links to MD iMAP GIS Service Layers
  • GIS Software Master Contract
  • Maryland Real Property Assessments Maryland Real Property Assessments

    Contains complete records from SDAT and MDP except for property owner names. Property owner name data are available by contacting service.desk@maryland.gov, signing up for a data.maryland.gov account, and agreeing to terms of use. Note that records shown here are updated approximately monthly, at different frequencies from data in products from MDP and SDAT. Please see the full documentation PDF and complete metadata at the dedicated metadata site (https://data.maryland.gov/Business-and-Economy/Maryland-Real-Property-Assessments-Hidden-Property/ed4q-f8tm/about).

  • Over 600 Map Layers from MD iMAP: Maryland's Mapping & GIS Data Portal Over 600 Map Layers from MD iMAP: Maryland's Mapping & GIS Data Portal

    data.maryland.gov includes links to over 600 map layers on MD iMAP (imap.maryland.gov), Maryland's Mapping & GIS Portal. Click here for links to all map layers.

  • State Payments from 2008 to 2015 State Payments from 2008 to 2015

    This dataset shows all payments made by state agencies from Fiscal Years 2008 to 2015 which were $25,000 or more. All parties receiving funds are shown: private businesses and vendors, local governments, non-profit organizations, and individuals. If you have any questions please contact service.desk@maryland.gov. This dataset combines multiple data sources from the Department of Budget and Management to show spending across multiple years. Source data can be found at spending.dbm.maryland.gov.

  • Are our Datasets up to Date? Are our Datasets up to Date?

    This dataset shows whether each dataset on data.maryland.gov has been updated recently enough. For example, datasets containing monthly data should be updated at least every 31 days. This dataset also shows a compendium of metadata from all data.maryland.gov datasets. This report is used during meetings of the Maryland Open Data Council to curate datasets for maintenance and make sure the Open Data Portal's data stays up to date.

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