Everything the explorer can query. All of it is public: City of Houston open data, Harris County Flood Control, FEMA, EPA, CDC and the U.S. Census Bureau.
| Dataset | What it is | Rows |
|---|---|---|
service_request_311 |
Houston 311 service requests 2011-2026 (5.6M), typed columns, from the city's 311 archive · point | 5,592,467 |
| Dataset | What it is | Rows |
|---|---|---|
boundary_city_limit |
City of Houston limits · multipolygon | 751 |
boundary_civic_club |
Civic club (neighborhood association) areas · multipolygon | 470 |
boundary_commissioner_precinct |
Harris County commissioner precincts · multipolygon | 4 |
boundary_council_district |
11 city council districts A-K · multipolygon | 11 |
boundary_county |
Counties around Houston · multipolygon | 13 |
boundary_etj |
Extra-territorial jurisdiction + SB2038 area · multipolygon | 2 |
boundary_fire_district |
HFD fire districts · multipolygon | 23 |
boundary_heavy_trash_area |
Heavy trash pickup areas and days · multipolygon | 1,364 |
boundary_hisd_elementary |
HISD elementary attendance zones · multipolygon | 163 |
boundary_hisd_high |
HISD high school attendance zones · multipolygon | 30 |
boundary_hisd_middle |
HISD middle school attendance zones · multipolygon | 36 |
boundary_liftstation_service_area |
Wastewater lift station service areas · multipolygon | 389 |
boundary_park_sector |
Parks department maintenance sectors · multipolygon | 21 |
boundary_police_beat |
HPD police beats (121); attrs->>'Beats' is the beat code, e.g. '12D10' · multipolygon | 121 |
boundary_police_district |
HPD patrol districts · multipolygon | 25 |
boundary_police_division |
HPD divisions · multipolygon | 17 |
boundary_recycling_area |
Curbside recycling pickup areas · multipolygon | 2,377 |
boundary_school_district |
Independent school districts · multipolygon | 30 |
boundary_super_neighborhood |
Houston's 88 super neighborhoods (attrs->>'SNBNAME' upper case) · multipolygon | 88 |
boundary_trash_area |
Automated trash pickup areas and days · multipolygon | 1,342 |
boundary_voting_precinct |
Harris County voting precincts · multipolygon | 1,165 |
boundary_wastewater_service_area |
Wastewater treatment service areas · multipolygon | 40 |
boundary_zipcode |
Houston-area zipcodes · multipolygon | 294 |
census_tract |
Census tract polygons (TIGER, 2020 tract definitions) for the 8-county Houston region · multipolygon | 1,598 |
census_tract_health |
CDC PLACES 2025 adult health estimates by census tract (diabetes, asthma, obesity, etc.) | 1,588 |
census_tract_profile |
Census tracts (8 Houston-area counties) with ACS 2020-2024 demographics and geometry · multipolygon | 1,598 |
census_tract_svi |
CDC Social Vulnerability Index 2022 by census tract | 1,595 |
boundary |
Every named city boundary in one view (boundary_type, name, geom) · multipolygon | 1,145 |
boundary_demographics |
Population, households and ACS demographics for super neighborhoods, council districts, ZIPs, police beats and districts · geometry | 492 |
| Dataset | What it is | Rows |
|---|---|---|
env_monitoring_well |
Monitoring wells · point | 951 |
env_tri_release |
EPA Toxics Release Inventory 2014-2024, pounds released per facility x chemical x year · point | 37,234 |
| Dataset | What it is | Rows |
|---|---|---|
facility_after_school |
After-school program sites · point | 335 |
facility_airport |
Airports and heliports · multipolygon | 35 |
facility_community_centers |
facility_community_centers · point | 60 |
facility_cool_centers_2021 |
City of Houston designated cool centers (99 libraries, community and multi-service centers), HARC 2021 list · point | 99 |
facility_fire_stations |
HFD fire stations (94, including 4 airport stations) · point | 94 |
facility_hcpl_libraries |
Harris County Public Library (HCPL) branches (29), incl. Kingwood and Clear Lake (Freeman) inside Houston · point | 29 |
facility_health_dept |
facility_health_dept · point | 32 |
facility_hospitals |
facility_hospitals · point | 108 |
facility_libraries |
Houston Public Library (HPL, city) branches (43) with hours; also cooling centers in heat emergencies · point | 43 |
facility_multi_service_centers |
Multi-service centers, the city's standard cooling/warming centers and shelters (11) · point | 11 |
facility_museum |
Museums · point | 61 |
facility_police_station |
HPD stations · point | 18 |
facility_police_storefront |
HPD storefront offices · point | 26 |
facility_recycling_center |
Recycling drop-off centers · point | 29 |
facility_school |
Schools (public, private, charter) · point | 1,541 |
facility_school_entrance |
School primary entrances · point | 604 |
facility_trauma_center |
Trauma centers · point | 56 |
facility_workforce_office |
Workforce Solutions career offices · point | 29 |
park_city |
City of Houston parks (polygons) · multipolygon | 380 |
park_regional |
All park areas in the region (H-GAC) · multipolygon | 2,120 |
| Dataset | What it is | Rows |
|---|---|---|
hazard_airport_noise_65dnl |
Airport noise above 65 dB DNL · multipolygon | 3 |
hazard_detention_pond |
City stormwater detention ponds (attributes only, the city withholds the shapes) · multipolygon | 201 |
hazard_fema_flood_zone |
FEMA flood hazard zones (100-year / 500-year floodplain) for Harris, Fort Bend and Montgomery counties · multipolygon | 19,435 |
hazard_harvey_assistance |
FEMA assistance after Hurricane Harvey by ZIP code (owners and renters) | 3,109 |
hazard_hwm_harvey_2017 |
Hurricane Harvey high-water marks surveyed by HCFCD (574 points) · point | 574 |
hazard_hwm_imelda_2019 |
Tropical Storm Imelda high-water marks (203 points) · point | 203 |
hazard_hwm_memorial_day_2015 |
Memorial Day flood 2015 high-water marks (92 points) · point | 92 |
hazard_hwm_tax_day_2016 |
Tax Day flood 2016 high-water marks (295 points) · point | 295 |
hazard_nfip_claim |
FEMA flood insurance claims 1978-present, 8 Houston-area counties (279k) · point | 279,507 |
| Dataset | What it is | Rows |
|---|---|---|
heritage_conservation_district |
Conservation districts · multipolygon | 7 |
heritage_historic_district_city |
City historic districts · multipolygon | 23 |
heritage_historic_district_nrhp |
National Register historic districts · multipolygon | 12 |
heritage_landmark |
Historic sites and landmarks · point | 422 |
| Dataset | What it is | Rows |
|---|---|---|
infra_adopt_drain_available |
Adopt-a-Drain program: drains still available to adopt (81k) · point | 81,487 |
infra_adopt_drain_unavailable |
Adopt-a-Drain: drains already adopted or not adoptable · point | 57,372 |
infra_bridge |
Bridges · point | 1,404 |
infra_cell_tower |
Cell towers · point | 720 |
infra_drainage_area_cdp |
Drainage areas (catchments) · multipolygon | 4,651 |
infra_drainage_area_new |
New drainage areas · multipolygon | 6,366 |
infra_fire_hydrant |
Fire hydrants · point | 61,955 |
infra_open_drain |
Open drains: roadside ditches and channels · multilinestring | 85,902 |
infra_railroad |
Railroads · multilinestring | 1,447 |
infra_storm_discharge_point |
Storm sewer outfalls · point | 17,740 |
infra_stormdrain_inlets |
City storm drain inlets (130k) with type, owner and install date · point | 129,989 |
infra_stormdrain_inlets_adoptable |
The ~77k city-owned curb inlets (types B/BB) that residents could adopt · point | 107,260 |
infra_swmb_project |
Stormwater drainage capital projects · multipolygon | 1,141 |
infra_wastewater_facility |
Wastewater facility sites · multilinestring | 77 |
| Dataset | What it is | Rows |
|---|---|---|
dev_billboard |
Permitted billboards · point | 1,164 |
dev_billboard_clear_channel |
Clear Channel medium billboards · point | 1,571 |
dev_final_plat |
Recorded final plats (new subdivisions) · multipolygon | 26,008 |
dev_mobility_permit |
Mobility (lane closure) permits · multilinestring | 1,448 |
dev_plat_application |
Plat applications by type · multipolygon | 37,095 |
dev_scps_permit |
SCPS permits issued in the past year · point | 11,103 |
dev_sidewalk_permit |
Sidewalk permits Oct 2020 - Jun 2023 · point | 10,233 |
| Dataset | What it is | Rows |
|---|---|---|
zoning_prohibited_yard_parking |
Prohibited yard parking areas · multipolygon | 217 |
zoning_special_min_building_line |
Special minimum building line blocks · multipolygon | 249 |
zoning_special_min_lot_size |
Special minimum lot size areas · multipolygon | 804 |
zoning_tod_street |
Transit-oriented development streets · multilinestring | 7,743 |
zoning_walkable_places_street |
Walkable Places streets · multilinestring | 633 |
| Dataset | What it is | Rows |
|---|---|---|
policy_complete_community |
Complete Communities (mayoral revitalization) · multipolygon | 10 |
policy_hope_area |
Houston Hope areas · multipolygon | 24 |
policy_lara_property |
City-owned LARA lots available for redevelopment · multipolygon | 108 |
policy_major_activity_center |
Major activity centers · multipolygon | 8 |
policy_management_district |
Management districts (special taxing) · multipolygon | 75 |
policy_mud |
Municipal Utility Districts · multipolygon | 743 |
policy_opportunity_zone |
Federal Opportunity Zones · multipolygon | 99 |
policy_tirz |
Tax Increment Reinvestment Zones · multipolygon | 27 |
| Dataset | What it is | Rows |
|---|---|---|
crime |
HPD crime (NIBRS offenses) 2020-2024, one row per offense record, typed columns · point | 1,255,717 |
structural_fire |
HFD structural fires 2015-2021 with date and building type · point | 7,014 |
| Dataset | What it is | Rows |
|---|---|---|
streets_active_pothole |
Currently open pothole reports · point | 60 |
streets_adt_local |
Traffic counts (ADT) on local streets · point | 139 |
streets_adt_major |
Traffic counts (ADT) on major thoroughfares · point | 2,359 |
streets_bike_ped_count |
Bike and pedestrian count locations · point | 858 |
streets_mtfp |
Major Thoroughfare and Freeway Plan · multilinestring | 26,717 |
streets_pavement_rating |
Pavement Condition Index (PCI 0-100) for 75k street segments · multilinestring | 75,758 |
streets_sidewalk |
Sidewalk inventory · multilinestring | 68,965 |
streets_speed_limit |
Posted speed limits by segment · multilinestring | 9,361 |
streets_speed_study_post |
Speed studies after traffic calming · point | 223 |
streets_speed_study_pre |
Speed studies before traffic calming · point | 829 |
streets_stop_sign |
Stop signs · point | 21,272 |
streets_traffic_calming_device |
Neighborhood traffic calming devices (speed humps etc.) · point | 8,431 |
streets_traffic_signal |
Traffic signals · point | 2,495 |
| Dataset | What it is | Rows |
|---|---|---|
safety_bike_dangerous_roads |
Most dangerous roads for cyclists · multilinestring | 174 |
safety_high_injury_network_2018 |
Vision Zero HIN, 2018 edition · multilinestring | 906 |
safety_high_injury_network_2022 |
Vision Zero High Injury Network 2022, the 6% of streets with 60% of deaths and serious injuries · multilinestring | 1,261 |
safety_ped_dangerous_roads |
Most dangerous roads for pedestrians · multilinestring | 602 |
safety_safeclear_segment |
SAFEClear freeway tow segments · multilinestring | 39 |
safety_vulnerable_areas |
Vision Zero most-vulnerable quarter of the city · multipolygon | 216 |
| Dataset | What it is | Rows |
|---|---|---|
bike_bikeshare_station |
BCycle bikeshare stations (program since shut down) · point | 140 |
bike_bikeway |
Bikeways (existing, programmed and proposed) · multilinestring | 6,797 |
bike_critical_gap |
Critical gaps in the bike network · multilinestring | 50 |
transit_bus_route |
METRO bus routes · multilinestring | 127 |
transit_bus_stop |
METRO bus stops · point | 9,046 |
transit_center |
METRO transit centers · point | 23 |
transit_park_and_ride |
METRO park & ride lots · point | 28 |
transit_planned_corridor |
Planned transit corridors · multilinestring | 34 |
transit_rail_line |
METRORail lines · multilinestring | 16 |
transit_rail_station |
METRORail stations · point | 44 |