Public GIS maps in Connecticut

55 public ArcGIS web maps and apps from counties, cities, and agencies in Connecticut, with 913 layers between them. Each one opens in MapPull with its layers listed. Pick the ones you need and download them as Shapefile, DXF, GeoJSON, or KMZ, clipped to your project area. Your first 5 pulls are free, no card needed!

Open MapPull

Find a place or layer in Connecticut

City of Hartford
Layers 13 · click one to open it in MapPull
- Town Line City 2
- Parks 61
- Recreation Program Trails 570
- Recreational Areas (Polygons) 137
- Park Assets (Points) 1,297
- Light Poles Parks 434
- Cemeteries 5
- Golf Courses 2
- Recreation Center 3
- Senior Center 3
- Fire Stations 11
- Sanitation_Inspector_Districts 4
- Property Lines 28,582
2 maps these layers come from
- DashboardDPW Architecture Map11 layersOpen in MapPull →
- Web appDPW Solid Waste Inspectors Districts3 layersOpen in MapPull →
City of Waterbury
Layers 115 · click one to open it in MapPull
- WTBY_Centerline 4,235
- HUC Watershed Poly 194
- HUC Watershed Line 792
- Drainage Basin Polygon 7,067
- Drainage Basin Lines 20,945
- Local Drainage Basin Direction 3,077
- Local Basin Polygon 2,898
- Local Basin Lines 8,663
- Subregional Drainage Basin Direction 314
- Subregional Basin Polygon 374
- Subregional Basin Lines 1,346
- Hydrography Poly 51,483
- Hydrography Line 102,082
- Soils Inland Wetland 2025 239,451
- FIRM Panels 183,680
- Flood Hazard Zones 5,811,015
- HighSchool_Districts 3
- MiddleSchool_Districts 7
- Grammar_School_Districts 18
- School Locations 53
- Zoning Districts 155
- Waterbury Neighborhoods 48
- Technology Zone 1
- Enterprise Zone 1
- Zip Codes (2010) 6
- Census Tracts (2020) 28
- Census Block Groups (2020) 82
- Census Block (2020) 1,230
- Fire Zones 41
- Firehouse Locations (2004) 9
All 115 layers →
6 maps these layers come from
- Web appCity of Waterbury GIS App67 layersOpen in MapPull →
- Web mapFind My Alderman3 layersOpen in MapPull →
- Web mapBrass City Promise Zone15 layersOpen in MapPull →
- Web mapWaterbury Holiday Lights 20251 layersOpen in MapPull →
- Web mapCCTV_Status_Restart31 layersOpen in MapPull →
- Web mapThe Gathering3 layersOpen in MapPull →
Connecticut Water Company
Layers 3 · click one to open it in MapPull
- CT Water Service Line Inventory 110,281
- MaterialStatus 109,512
- survey 3,961
3 maps these layers come from
- Web appConnecticut Water Service Line Inventory1 layersOpen in MapPull →
- Web appService Line Verification2 layersOpen in MapPull →
- Web appPotholing Survey Connector - deprecated1 layersOpen in MapPull →
CT ECO
Layers 144 · click one to open it in MapPull
- Impervious_Surface_Land_Connecticut 5,599,767
- CT_Buildings_2023_Merged 1,556,980
- deepgis.DEEP.PARCEL 1,020,364
- CT_Parcels 1,247,506
- Connecticut_CAMA_and_Parcel_Layer 1,290,196
- Town Polygon 785
- cogs 9
- Steep Slope 2 ft 51,109,421
- Steep Slope 10 ft 26,609,124
- HUC Watershed Poly 194
- CT_Watershed_Boundary_Dataset_10_HU 53
- CT_Watershed_Boundary_Dataset_8_HU 11
- CT Municipalities 169
- Bedrock Geology 1,892
- Bedrock Geology Contacts 5,518
- Bedrock Terrane 1,892
- Bedrock Terrane Contacts 5,518
- Erosion Susceptibility 44,036
- Erosion Susceptibility Sites 83
- Quaternary Geology LIS Channel-Fill Deposits 1
- Quaternary Geology LIS Deltaic Deposits 5
- Quaternary Geology LIS Lacustrine Fan Deposits 458
- Quaternary Geology LIS Lake Deposits 51
- Quaternary Geology LIS End Moraine 142
- Quaternary Geology 14,921
- Quaternary Geology Line Features 8,243
- Quaternary Geology Point Features 2,218
- Surficial Materials Contacts 32,957
- Surficial Materials 14,084
- Surficial Aquifer Texture 12,849
All 144 layers →
6 maps these layers come from
- Web appCT Parcel Viewer Map7 layersOpen in MapPull →
- Web appDark Gray Canvas9 layersOpen in MapPull →
- Web appImagery with Labels135 layersOpen in MapPull →
- Web mapAdvanced Viewer Map v2135 layersOpen in MapPull →
- Web mapCT Elevation Web Map9 layersOpen in MapPull →
- Web mapImage Download App Web Map7 layersOpen in MapPull →
Milford
Layers 21 · click one to open it in MapPull
- 375_Parking_quarter_mile 23
- Buildings 28,020
- Sewer_Pumpstations_Plants 38
- Sewer_Pipes 6,404
- manhole_shp 5,749
- Sewer_Laterals 14,613
- Sewer_Map_Index 6,322
- Health_Districts_shp 4
- Public_Beach_Access 85
- Beach_Sampling_Sites 17
- mosquito_monitoring 88
- catchbasins 8,053
- outfalls 879
- centerline_web 3,224
- vert_controlwebsite1 169
- Veteran Advocacy 1
- SNAP Stores 35
- Food Pantry 9
- Meal Service 5
- Health and Wellness 9
- Shelter 1
5 maps these layers come from
- Web appMilford Connecticut Downtown Parking1 layersOpen in MapPull →
- Web mapSewerMap6 layersOpen in MapPull →
- Web mapHealth Districts10 layersOpen in MapPull →
- Web mapCity of Milford Engineering Department Vertical Control Monuments2 layersOpen in MapPull →
- Web mapSocial Services6 layersOpen in MapPull →
Stamford GIS
Layers 32 · click one to open it in MapPull
- MAP_TOUR 93
- Neighborhood Statistical Area Profile Data 13
- MunicipalDistricts 20
- StateHouseDistricts 6
- StateSenateDistricts 2
- Point layer 59
- StamfordGIS.GISADMIN.ResidentialParking 48
- ParkingMeter 676
- StamfordGIS.GISADMIN.ProjectsPoint 69
- TTPBikeLane 81
- TTPStreetMaintenance 101
- EnterpriseZone 1
- Master_Development_List 64
- BikeLane 81
- Stamford_Route_Lines 20
- PublicGaragesAndLots 8
- State_Historic_Districts 2
- ConnCRIS_NationalRegisterDistrict 13
- USA_Flood_Hazard_Reduced_Set 4,399,596
- Park 69
- Aquifer Protection Area 2
- Coastal Area Management 1
- Land Use 25,704
- MasterplanOpenSpaceConservationOverlay 79
- MasterPlan 202
- StamfordGIS.GISADMIN.ComprehensivePlan2035 267
- Mill River Corridor 1
- University and Research Overlay District 1
- Architectural Review Design District 1
- Zoning 378
All 32 layers →
6 maps these layers come from
- Web appStamford Major Commercial Leases Map Layer1 layersOpen in MapPull →
- Web appNeighborhood Statistical Area Profile Data6 layersOpen in MapPull →
- Web mapTTP Master Map5 layersOpen in MapPull →
- Web mapBMR Data1 layersOpen in MapPull →
- Web mapZoning21 layersOpen in MapPull →
- Web mapCity of Stamford Parks1 layersOpen in MapPull →
State of Connecticut
Layers 38 · click one to open it in MapPull
- Connecticut_CAMA_and_Parcel_Layer 1,320,686
- CT_Parcels 1,247,506
- CT Municipalities 169
- CT_Municipalities 169
- CTMunicipalities_Co_Dissolve 9
- Nominated_Opportunity_Zones 72
- CT_DCF_Town_Boundaries 169
- Area_Boundaries 14
- CT_DCF_Region_Boundaries 6
- Change_in_Units_CT 169
- a8806aa8e 507
- a703430dc 4,732
- a5e0bdfdb 2,197
- Housing_Market_Data 1
- PermitsbyTown2 3,907
- DOH_AppealsListData 2,025
- Census_Programs_Town 845
- Census_Programs_Town_1 845
- PermitsbyTown2_ExportFeature1 3,362
- CTMunicipalities_CopyFeatures_JoinFeatures 3,211
- a8bd60 169
- MunicipalBoundaries 169
- Opportunity_Zones 72
- Local Historic District 152
- State Register District 104
- National Register District 510
- National Historic Landmark District 8
- Above Ground Resources 104,755
- Archaeology Grid 1,527
- Connecticut_Environmental_Review_12_6 31,200
All 38 layers →
9 maps these layers come from
- Web appOpenStreetMap (Streets)5 layersOpen in MapPull →
- Web appDesignated Opportunity Zones1 layersOpen in MapPull →
- Web appDCF_Layers3 layersOpen in MapPull →
- Web appAppeals List: Percent of Units Assisted12 layersOpen in MapPull →
- Web mapParcel Viewer Map5 layersOpen in MapPull →
- Web mapConnCRIS Public Viewer Map9 layersOpen in MapPull →
- Web mapConnecticut SHPO Environmental Review1 layersOpen in MapPull →
- Web mapConnecticut - Local Health Departments and Districts6 layersOpen in MapPull →
- Web mapForestry Intake Base Map v53 layersOpen in MapPull →
State of Connecticut (CTDOT)
Layers 1 · click one to open it in MapPull
- State Routes 4,514
1 map these layers come from
- Open data siteCTDOT State Routes and Local Roads1 layersOpen in MapPull →
Town of Groton
Layers 2 · click one to open it in MapPull
- Parcels 13,219
- AddressPoints 17,375
1 map these layers come from
- Web appGroton, CT Image Compare Production2 layersOpen in MapPull →
Town of Westport
Layers 116 · click one to open it in MapPull
- RTM9 41
- RTM8 59
- RTM7 20
- RTM6 26
- RTM5 57
- RTM4 35
- RTM3 50
- RTM2 49
- RTM1 76
- Townline 13
- GLBComplaintsDate3 168
- Aggregated Polygons 41
- Sewersheds 19
- Sewage Treatment Pool 5
- Properties with Sewer 4,734
- Sewer Lines 1,290
- Sewer Manhole 2,307
- Pump Station 17
- Elementary School District 5
- RTM District 9 41
- RTM District 8 56
- RTM District 7 19
- RTM District 6 29
- RTM District 5 57
- RTM District 4 35
- RTM District 3 54
- RTM District 2 49
- RTM District 1 76
- StreetPavement_2013 37,053
- Long_island_sound_2013 40
All 116 layers →
8 maps these layers come from
- DashboardGPLB2024 Heatmap Westport12 layersOpen in MapPull →
- Web mapSewer System6 layersOpen in MapPull →
- Web mapAxisGIS Public96 layersOpen in MapPull →
- Web mapWebMap for Accela v510 layersOpen in MapPull →
- Web mapTree Warden1 layersOpen in MapPull →
- Web mapGPLB2024 Heatmap Westport11 layersOpen in MapPull →
- Web mapComplaints 2024 Location and Owners2 layersOpen in MapPull →
- Web mapGPLB2024LocationWestportComplainantDistribution12 layersOpen in MapPull →

These maps are published by the organizations named, who own the data and set its terms of use. MapPull reads only what they make public; it doesn't host or change their data. Layer names and feature counts were read from each map on 2026-10-19 and can change when a publisher updates it. Any public ArcGIS map works, not only the ones listed: open MapPull and paste its link.