CAPA traverse points evening in Houston and Harris County Campaign areas.
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)
CAPA traverse points evening in Houston and Harris County Campaign areas.
CAPA traverse points evening in Houston and Harris County Campaign areas. Clipped with For Us Tree DACs.
This map shows the redline areas that have the CAPA temperature raster coverage. Summarized the CAPA temperature mean, max, and min values in Houston Redline areas.
Summarized the CAPA temperature mean, max, and min values in Houston and Harris 2020 Campaign areas.
[Houston Fire Department] Various counts of EMS, Fire, and Total event and responses by station for the Houston Fire Department. Each Event can occur for more than one station. Therefore, the number of...
It's used for water-resource management and planning activities.
Eco Types for the 8-county H-GAC region. The data is circa 2008.
HGAC Evacuation Zones
HGAC Evacuation Zones
HGAC Evacuation Zones
HGAC Evacuation Zones
Houston area. It is in ESRI shapefile format.
2019 trash bash data from H-GAC.
Official DatasetThe H-GAC ZIP code coverage includes polygons centroids and their attributes for Harris, Fort Bend, Brazoria, Galveston, Chambers, Liberty, Montgomery, Waller, Austin, Colorado, Matagorda Wharton and Walker Co.
Estimated subsidence in feet from 1906-2016 using measured land surface elevation change at benchmarks surveyed in 2000 and estimated annual subsidence rates from 2011-2016 at HGSD GPS subsidence network assuming a constant rate of subsidence from 2010-2016.
Subsidence GPS Monitors from HGSD.
This feature class/shapefile is for the Homeland Infrastructure Foundation Level Database (HIFLD) https://gii.dhs.gov/HIFLD as well as the Energy modelling and simulation community.Data source:Oak Ridge National Laboratory (ORNL) Data and details are hosted by HIFLD as received f…
The National Bridge Inventory (NBI) is a collection of information (database) describing the more than 615,000 of the Nation's bridges located on public roads...
This feature class/shapefile is for the Homeland Infrastructure Foundation Level Database (HIFLD) and the Energy modelling and simulation community.
This feature class us for the Homeland Infrastructure Foundation Level Database and the Energy modelling and simulation community.
It represents natural gas transmission hubs in the continguous U.S. These data originate from the U.S. Energy Information Administrartion.
It represents natural gas transmission hubs in the continguous U.S. These data originate from the U.S. Energy Information Administration.
Black & white version of the TxDOT roadway symbols in and around Harris County.
Simplified Highway Shields using the Symbology
[Office of Business Opportunity] Learn more at http://www.houstontx.gov/obo/hirehoustonfirst.html. Dataset provides a listing of businesses currently designated as Hire Houston First companies at the time the...
This data contains all current HISD schools.
Historical Flooding by Census Tract
Harris County, TX historical marker inventory
Locations of Historical Threatened and Endangered Species
Revised for the Watershed Almanac
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.