Not loaded
Inspection2022COHPCS
Inspection2022COHPCS
Houston and Harris County publish a huge amount of open data, scattered across dozens of portals nobody tracks. This catalog lists every dataset we've found in one place, whether or not it's loaded into the explorer. Know a source we're missing? Add it, and it's shared with everyone.
| Source | What it is | Items | Loaded |
|---|---|---|---|
| Harris County ArcGIS Online services.arcgis.com |
One organization shared by county departments, precincts and staff. Mixes authoritative layers (fire stations, parks, crashes) with many working copies and one-off maps; review before use. | 3,112 | 16 |
| Rice University ArcGIS Online services.arcgis.com |
Research and class projects. Houston gems (HCFCD buyout lots, draft 2026 FEMA flood map, historical census, redlining) among worldwide student work. Research copies of agency data need permission before reuse. | 2,888 | 0 |
| Houston Advanced Research Center (HARC) ArcGIS Online services2.arcgis.com |
Environmental and regional research layers; source of the 2021 city cool-center list. | 528 | 1 |
| City of Houston GIS (ArcGIS Hubs) geohub.houstontx.gov |
Two Hub sites (Public Works geohub, citywide mycity) over several ArcGIS servers. Official. | 314 | 119 |
| Harris County Flood Control District ArcGIS Online services2.arcgis.com |
High-water marks, floodplains, projects, acreage by program. Source of the storm HWM layers. | 265 | 4 |
| City of Houston Open Data (data.houstontx.gov) data.houstontx.gov |
Separate from the GIS hubs. Mostly spreadsheets; finance (checkbook, payroll, budget) and census stay current, much else frozen since a 2023 migration. | 94 | 0 |
| U.S. Census Bureau api.census.gov |
4 | 3 | |
| FEMA (OpenFEMA and National Flood Hazard Layer) www.fema.gov |
4 | 3 | |
| U.S. Environmental Protection Agency data.epa.gov |
2 | 2 | |
| Centers for Disease Control and Prevention data.cdc.gov |
2 | 2 | |
| Texas Commission on Environmental Quality www.tceq.texas.gov |
2 | 1 | |
| Texas Water Development Board www.twdb.texas.gov |
1 | 1 | |
| U.S. Geological Survey water data waterservices.usgs.gov |
1 | 0 | |
| City of Houston 311 public data extracts www.houstontx.gov |
1 | 1 | |
| METRO (Harris County transit) www.ridemetro.org |
1 | 0 | |
| Stanford Open Policing Project openpolicing.stanford.edu |
1 | 0 | |
| TxDOT Crash Records Information System (CRIS) cris.dot.state.tx.us |
1 | 0 |
2,869 matches (likely staff working copies and non-Houston research layers hidden)
Inspection2022COHPCS
Harris County Pollution Control Inspections in County
Hub keywords: XForm
Enables field crews to inspect backflow prevention devices.
Enables field crews to inspect backflow prevention devices.
zones
This web service depicts Harris County Jail/Detention Facilities and various sources of homeless shelter data.
This web service depicts Harris County Jail/Detention Facilities and various sources of homeless shelter data.
This web service depicts Harris County Jail/Detention Facilities and various sources of homeless shelter data.
This web service depicts Harris County Jail/Detention Facilities and various sources of homeless shelter data.
This web service depicts Harris County Jail/Detention Facilities and various sources of homeless shelter data.
FEMA IHP applicants data. It shows the number of owners/renters and applications/approvals for each impacted census block group in hurricane Harvey.
JPB project study area.
Harris Co. constables with JP courthouse locations
Harris Co. constables with JP courthouse locations
create date= 12-2-2008 Updated with additional information 1/14/19 produced from FPM and HRRM county facilities data for the purpose of isolating Justice of...
Updated 6/25/26 Updated Co Updated 1/4/22 produced from FPM and HRRM county facilities data for the purpose of isolating Justice of Peace Courthouses from larger data set which was not descriptive enough to query JP courthouses.
This feature service contains point locations for Harris County Precinct 2 Keep2Clean tasks between 2025 and 2026. It supports mapping, tracking, and reporting of cleanup-related Public Works activities across the service area.
Kashmere Gardens Super Neighborhood Boundary
Selected building classes from HCAD F1 and F2 use codes
U.S. Census tracts provides boundaries and demographic information for the U.S. Census tracts within the United States. The boundaries are consistent with the tract, county, and state data sets.
U.S. Census tracts provides boundaries and demographic information for the U.S. Census tracts within the United States. The boundaries are consistent with the tract, county, and state data sets.
Found Houston or Harris County open data we don't list? A portal, a map service, a spreadsheet on an agency page, a research dataset? Tell us where it is. Reviewed suggestions are added to the catalog for everyone.