The Division of Planning and Permitting

Data and Mapping


Maps


Frederick County GIS


Data


Frederick County Population Estimate as of January 1, 2021: 268,314


Permits and Inspections Data Reports 


2010 Census Demographic Profiles

County, municipalities, census designated places


2010 U.S. Census Populations


Population Estimates


Population Projections


Building Permits & COO’s by Dwelling Type


Monthly Building Permit Reports  

Frederick County is not responsible for issuing permits in the City of Frederick, and town of Mount Airy. This data is the compiled report of these three entities in regards to number of issued building, housing units, and commercial permits and totals for the cost of construction, impact fees, and excise tax reported on a monthly, year to date, and 5-year average.


Residential Development Pipeline

Includes all county and municipal projects that have received some type of development approval and may or may not be under construction. Development approvals are derived from approved site plan applications, preliminary subdivision plan applications, or a Phase I PUD/MXD applications (county only). 


  • Approved Units: Total lots/units that have received either site plan, preliminary subdivision, or Phase I PUD/MXD plan approval
  • Developed/Permitted Units: Lots/units that are constructed or have building permits issued
  • Available Pipeline: Total remaining lots/units that have not been constructed nor have permits issued
  • Recorded Units: Total lots/units that have been recorded and may or may not be developed
  • Recorded Units Available: Lots/units that have been recorded but are not developed or have permits issued

Residential Development Pipeline Interactive Map - as of April 2022


Residential Development Pipeline Map (PDF) - as of April 2022



Contact Us

  1. Planning and Permitting Division

    30 N. Market St.
    Frederick, MD 21701
    Ph: 301-600-1153

    Staff Directory