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1. 311 City Service Requests: Washington, District of Columbia, 2021

2021. D.C. Office of the Chief Technology Officer. Data provided here are from the DC's 311 service request center. They represent all service requests such as abandoned automobiles, parking meter r...

2. 311 Snow/Icy Conditions Service Requests: Baltimore, Maryland

Baltimore City. Snow related 311 Calls For Service from 2/4/2021 to present.

3. ACS Demographic Characteristics DC Census Tract: Washington, District of Columbia

City of Washington, DC. Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 5-...

4. ACS Demographic Characteristics DC Ward: Washington, District of Columbia

City of Washington, DC. Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 5-...

5. ACS Demographic Characteristics DC: Washington, District of Columbia

City of Washington, DC. Age, Sex, Race, Ethnicity, Total Housing Units, and Voting Age Population. This service is updated annually with American Community Survey (ACS) 1-...

6. ACS Economic Characteristics DC Census Tract: Washington, District of Columbia

City of Washington, DC. Employment, Commuting, Occupation, Income, Health Insurance, Poverty, and more. This service is updated annually with American Community Survey (AC...

7. ACS Economic Characteristics DC Ward: Washington, District of Columbia

City of Washington, DC. Employment, Commuting, Occupation, Income, Health Insurance, Poverty, and more. This service is updated annually with American Community Survey (AC...

8. ACS Economic Characteristics DC: Washington, District of Columbia

City of Washington, DC. Employment, Commuting, Occupation, Income, Health Insurance, Poverty, and more. This service is updated annually with American Community Survey (AC...

9. ACS Employment Status Variables Tract: Washington, District of Columbia, 2019

2019. Census Bureau. This layer shows hours worked, and those unemployed and not in labor force. This is shown by tract boundaries released by American Community Survey...

10. ACS Housing Characteristics DC Census Tract: Washington, District of Columbia

City of Washington, DC. Occupancy status, Units, Rooms, Year built, Owner/Renter (Tenure), Mortgage/Rent costs, and more. This service is updated annually with American Co...

11. ACS Housing Characteristics DC Ward: Washington, District of Columbia

City of Washington, DC. Occupancy status, Units, Rooms, Year built, Owner/Renter (Tenure), Mortgage/Rent costs, and more. This service is updated annually with American Co...

12. ACS Housing Characteristics DC: Washington, District of Columbia

City of Washington, DC. Occupancy status, Units, Rooms, Year built, Owner/Renter (Tenure), Mortgage/Rent costs, and more. This service is updated annually with American Co...

13. ACS Housing Costs Variables Tract: Washington, District of Columbia, 2019

2019. Census Bureau. This layer shows housing costs as a percentage of household income. This is shown by tract boundaries released by American Community Survey (ACS) 5...

14. ACS Median Household Income Variables Tract: Washington, District of Columbia, 2019

2019. Census Bureau. This layer shows median household income by race and by age of householder. This is shown by tract boundaries and contains estimates and margins of...

15. ACS Population Variables Tract: Washington, District of Columbia, 2019

2019. Census Bureau. This layer contains data from the American Community Survey (ACS) about total population count by sex and age group. These are 5-year estimates sho...

16. ACS Poverty Status Variables Tract: Washington, District of Columbia, 2019

2019. Census Bureau. This layer contains data from the American Community Survey (ACS) about poverty status by age group. These are 5-year estimates shown by tract boun...

17. ACS Social Characteristics DC Census Tract: Washington, District of Columbia

City of Washington, DC. Household type, Education, Disability, Language, Computer/Internet Use, and more. This service is updated annually with American Community Survey (...

18. ACS Social Characteristics DC Ward: Washington, District of Columbia

City of Washington, DC. Household type, Education, Disability, Language, Computer/Internet Use, and more. This service is updated annually with American Community Survey (...

19. ACS Social Characteristics DC: Washington, District of Columbia

City of Washington, DC. Household type, Education, Disability, Language, Computer/Internet Use, and more. This service is updated annually with American Community Survey (...

20. Adopt a Block: Washington, District of Columbia

2020. City of Washington, DC. The Clean City's Adopt-A-Block Program helps beautify neighborhoods and allows citizens and families to take an active role in cleaning and greenin...

21. Adult Day Care: Baltimore, Maryland

2021. Baltimore City. This dataset represents the location of adult day care facilities within the City of Baltimore. The list of facilities is from the Maryland Office ...

22. Aerial Photography Image Service (Orthophoto): Washington, District of Columbia, 2015

2015. City of Washington, DC. 2015 Orthophoto - 3 inch resolution imagery service. Data produced for the District of Columbia from 2015 digital aerial photography. It was flown ...

23. Age Restricted Housing: Howard County, Maryland, 2017

2017. Age restricted housing communities.

24. Animal Control (ESZ): Frederick County, Maryland

2020. Frederick County, MD.

25. Animal Control Sectors: Howard County, Maryland

Animal Control Sector polygons depicting the areas of Howard County where Animal Control Officers are dispatched.

26. Area Master Plan: Baltimore, Maryland

2021. Baltimore City. This dataset represent the Area Master Plan which is a dynamic and long-term planning document that provides a conceptual layout to guide future gr...

27. Arts Entertainment Districts: Montgomery County, Maryland

Montgomery County, MD.

28. Assisted Living Facilities - Large: Howard County, Maryland, 2017

2017. Licensed assisted living facilities with 17 or more beds.

29. Assisted Living Facilities - Small: Howard County, Maryland, 2017

2017. Assisted living facilities with less than 17 beds.

30. Assisted Living Facility: Baltimore, Maryland

2021. Baltimore City. This dataset represents the location of assisted living facilities within the City of Baltimore. The list of facilities is from the Maryland Office...

31. Basic Services - Water: Baltimore County, Maryland

2020. Baltimore County Government. The Wtr_2016 feature class represents water deficient areas as represented on the 2016 Water Basic Services Map.The 2016 Water Basic Services Map w...

32. BCPSS Elementary School Boundary: Baltimore, Maryland

2021. Baltimore City. This dataset represents the Baltimore City Public School System elementary school boundaries.

33. BCPSS Middle School Boundary: Baltimore, Maryland

2021. Baltimore City. This dataset represents the Baltimore City Public School System middle school boundaries.

34. Bike Howard - Recommendations Off Road: Howard County, Maryland

BikeHoward, the Howard County Bicycle Master Plan, provides guidance for improvements for transportation and recreational bicycling, both on-street...

35. Bike Howard - Spot Improvements: Howard County, Maryland

BikeHoward, the Howard County Bicycle Master Plan, provides guidance for improvements for transportation and recreational bicycling, both on-street...

36. Bike Howard Recommendations - On Road: Howard County, Maryland

BikeHoward, the Howard County Bicycle Master Plan, provides guidance for improvements for transportation and recreational bicycling, both on-street...

37. Bike Lane: Baltimore, Maryland

2021. Baltimore City. This dataset represents lanes designated for bike and scooter travel only. The bike lane is a 5ft wide line with a bike symbol indicating that only...

38. Boundaries of Planning Projects & Scanned Drawings: Howard County, Maryland

The polygon boundaries of scanned plan drawings. Each boundary is hyper-linked to a unique drawing in .PDF format. The .PDF may be downloaded usi...

39. Bridge Decks: Howard County, Maryland, 2016

2016. Bridge Deck outline captured as part the the Spring 2016 planimetric update using 6 inch pixel orthophotography as the source. You may need to zoom...

40. Brunswick Police (ESZ): Frederick County, Maryland

2020. Frederick County, MD.

41. Building Permits: Washington, District of Columbia, 2021

2021. D.C. Office of the Chief Technology Officer. The dataset is continuously updated and contains locations and attributes of building construction and alteration permits applied for and approved ...

42. Bus Transit Route 201-J, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

43. Bus Transit Route 202-K, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

44. Bus Transit Route 203-M, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

45. Bus Transit Route 301-A, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

46. Bus Transit Route 302-G, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

47. Bus Transit Route 401-Green, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

48. Bus Transit Route 404-Orange, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

49. Bus Transit Route 405-Yellow, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

50. Bus Transit Route 406-Red, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

51. Bus Transit Route 407-Brown, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

52. Bus Transit Route 408-Gold, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

53. Bus Transit Route 409-Purple, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

54. Bus Transit Route 501-Silver, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

55. Bus Transit Route 502-B, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

56. Bus Transit Route 503-E, Maryland Regional Transportation Agency: Howard County, Maryland

This is an individual Maryland Regional Transportation Agency Transit Bus Route. It has been selected from the master Transit Routes for ease of v...

57. Capital Projects: Washington, District of Columbia

2020. City of Washington, DC. Capital Projects locations. The dataset contains locations and attributes of Capital Projects, created as part of the DC Geographic Information Sys...

58. CCTV Locations: Baltimore, Maryland

2021. Baltimore City. This dataset represents closed circuit camera locations capturing activity within 256ft (~2 blocks).

59. CHAP Historic District: Baltimore, Maryland

Baltimore City. This dataset represents the administrative boundaries of the Commission for Historical and Architectural Preservation designated historical districts.

60. Columbia Planning Area: Howard County, Maryland

Generalized location of Columbia Maryland as defined by the Howard County Department of Planning and Zoning.

61. Columbia Town Center Boundary: Howard County, Maryland

Columbia Town Center boundary.

62. Columbia Town Center Neighborhoods: Howard County, Maryland

Columbia Town Center neighborhood boundaries.

63. Columbia Village & Neighborhood Boundaries: Howard County, Maryland, 2016

2016. Provided by the Columbia Association. Contains Villages and Neighborhoods designations.

64. Columbia Village Centers: Howard County, Maryland

Point locations of the village centers in Columbia Maryland. Each Columbia village has a village center which consists of shops and village related...

65. Completed City Demo: Baltimore, Maryland

2021. Baltimore City. This dataset represents city demos in Baltimore City.

66. Comprehensive Plan Designation: Frederick County, Maryland

2020. Frederick County, MD.

67. Congressional Districts: Howard County, Maryland

Defined by the State of Maryland.

68. Construction Permits: Washington, District of Columbia, 2021

2021. D.C. Office of the Chief Technology Officer. The dataset contains locations and attributes of above ground permits applied for and approved by the District Department of Transportation. They a...

69. Contour 2ft: Baltimore, Maryland

2021. Baltimore City. This dataset is a line representation of every 2ft of land elevation.

70. Contours 10ft: Baltimore, Maryland

2021. Baltimore City. This dataset is a line representation of every 10ft of land elevation.

71. Cooling Centers - District of Columbia: Washington, District of Columbia

2020. City of Washington, DC. When the temperature or heat index in the District reaches 95 degrees, District Government will implement the Heat Emergency Plan and activate cool...

72. Council District: Baltimore, Maryland

2021. Baltimore City. This dataset represents Baltimore City council district areas.

73. Council District: Baltimore, Maryland, 2021

2021. Baltimore City. This dataset represents Baltimore City council district areas.

74. County Boundaries: Maryland

County boundaries as defined by the State of Maryland. The Howard County portion has been incorporated into this layer.

75. County Boundary: Howard County, Maryland

Howard County Maryland boundary polygon based on legal documents and descriptions.

76. Crime Incidents: Washington, District of Columbia, 2021

2021. D.C. Office of the Chief Technology Officer. DC crime incident locations. The dataset contains a subset of locations and attributes of incidents reported in the ASAP (Analytical Services Appli...

77. Design Advisory Panel Areas: Howard County, Maryland

Design Advisory Panel areas.

78. Driveways, Unpaved: Howard County, Maryland, 2016

2016. Unpaved driveways are captured as part the the 2016 planimetric update using 6 inch pixel orthophotography as the source.

79. DVRPC Equity Through Access - Priority Score: Delaware Valley Regional Planning Commission

2021. DVRPC-GIS. 2020 UpdateThe Equity Through Access (ETA) project of the Delaware Valley Regional Planning Commission (DVRPC) is an update to the region's Coordin...

80. DVRPC Region Protected Open Space: Delaware Valley Regional Planning Commission

DVRPC-GIS. Protected Open Space for the DVRPC Region as of 2016.DVRPC maintains an inventory of protected public and private open space in the Delaware Valley...

81. Early Vote Centers: Washington, District of Columbia

2020. City of Washington, DC. TheDC Board of Elections is operating Early Vote Centers beginning October 27, 2020 through November 2, 2020 from 8:30 AM to 7:00 PM. Early Vote Ce...

82. Election Day Vote Centers: Washington, District of Columbia

2020. City of Washington, DC. TheDC Board of Elections is operating Election Day Vote Centers on November 3, 2020 from 7:00 AM to 8:00 PM. These are placed in all 8 Wards. Voter...

83. Enterprise Zones: Montgomery County, Maryland

Montgomery County, MD.

84. Environmental Management Sites, Public Works Study: Howard County, Maryland

Best management practice study performed by Public Works.

85. Estimated Tree Root Zone (Critical): Washington, District of Columbia

2020. City of Washington, DC. The dataset is the etimate of a tree's critical root zone, which can not be impacted beyond certain limits. Buffer distances are calculated for tre...

86. Estimated Tree Root Zone (Structural): Washington, District of Columbia

2020. City of Washington, DC. The dataset is the etimate of a tree's structural root zone, which must not be impacted during construction. Buffer distances are calculated for tr...

87. Evacuation Shelter: Baltimore, Maryland

2021. Baltimore City. This dataset represents the location of Emergency Evacuation Centers within the City of Baltimore.

88. Farms: Howard County, Maryland

This data contains many farms as defined by the Howard County Economic Development Authority.

89. Fire (ESZ): Frederick County, Maryland

2020. Frederick County, MD.

90. Fire Station: Baltimore, Maryland

2021. Baltimore City. This dataset represents the facility location, in which firefighting apparatus and usually fire department personnel are housed; Baltimore City's F...

91. Fixed Speed Cameras: Baltimore, Maryland

2021. Baltimore City. This dataset represents the locations of portable speed enforcement units, and speed cameras within the City of Baltimore.

92. Flash Bus Rapid Transit: Montgomery County, Maryland

2020. Montgomery County, MD.

93. Flashing School Signs: Howard County, Maryland

Flashing School Sign Point locations. These signs, when active, reduce the speed limit while driving past schools.

94. Food Establishments: Howard County, Maryland, 2017

2017. Mapped locations of food serving establishments or services maintained by the Howard County Health Department for food inspection purposes. Records...

95. Food Scrap Recycle Area: Howard County, Maryland

Areas where food scrap recycling is available within Howard County.

96. Forest Conservation Easements: Howard County, Maryland, 2018

2018. In 1991, the Maryland General Assembly passed the Forest Conservation Act. This law requires local jurisdictions to reduce the number of forested a...

97. Former Enterprise Zones: Montgomery County, Maryland

Montgomery County, MD.

98. Frederick Police (ESZ): Frederick County, Maryland

2020. Frederick County, MD.

99. Gas Line Right of Way: Howard County, Maryland

Major gas line right of way captured from aerial photography. This data set may be incomplete.

100. Golf Courses: Howard County, Maryland

Golf course point features.