Houston Open Data Explorer

Houston Open Data Catalog

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.

7,221datasets and layers found
17portals and publishers
153loaded and joinable in the explorer
Where the data lives (17 sources)
SourceWhat it isItemsLoaded
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. 3,11216
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. 2,8880
Houston Advanced Research Center (HARC) ArcGIS Online
services2.arcgis.com
Environmental and regional research layers; source of the 2021 city cool-center list. 5281
City of Houston GIS (ArcGIS Hubs)
geohub.houstontx.gov
Two Hub sites (Public Works geohub, citywide mycity) over several ArcGIS servers. Official. 314119
Harris County Flood Control District ArcGIS Online
services2.arcgis.com
High-water marks, floodplains, projects, acreage by program. Source of the storm HWM layers. 2654
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. 940
U.S. Census Bureau
api.census.gov
43
FEMA (OpenFEMA and National Flood Hazard Layer)
www.fema.gov
43
U.S. Environmental Protection Agency
data.epa.gov
22
Centers for Disease Control and Prevention
data.cdc.gov
22
Texas Commission on Environmental Quality
www.tceq.texas.gov
21
Texas Water Development Board
www.twdb.texas.gov
11
U.S. Geological Survey water data
waterservices.usgs.gov
10
City of Houston 311 public data extracts
www.houstontx.gov
11
METRO (Harris County transit)
www.ridemetro.org
10
Stanford Open Policing Project
openpolicing.stanford.edu
10
TxDOT Crash Records Information System (CRIS)
cris.dot.state.tx.us
10

2,869 matches (likely staff working copies and non-Houston research layers hidden)

In the explorer

Houston Fire Stations

City of Houston GIS (ArcGIS Hubs) · layer · point · 94 records · fields · ask about it

Hub keywords: Houston;fire;station;hfd;public safety;City of Houston;Texas;safety

In the explorer

Houston Historic Districts

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 23 records · fields · ask about it

Hub keywords: Houston;hosted;hub;historic districts;city of houston;planning;p&d;Planning;development;planning and development;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · point · 422 records · fields · ask about it

Hub keywords: Houston;historic sites;landmarks;planning;p&d;City of Houston;Texas;Planning;development;planning and development

In the explorer

Houston Hospitals

City of Houston GIS (ArcGIS Hubs) · layer · point · 108 records · fields · ask about it

Hub keywords: Houston;hospitals;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

In the explorer

Houston Houston Hope Areas

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 24 records · fields · ask about it

Hub keywords: Houston;hope;areas;planning;p&d;Planning;development;planning and development;City of Houston;Texas

In the explorer

Houston Libraries

City of Houston GIS (ArcGIS Hubs) · layer · point · 43 records · fields · ask about it

Hub keywords: Houston;libraries;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 8 records · fields · ask about it

Hub keywords: Houston;major activity center;planning;p&d;Planning;development;planning and development;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 75 records · fields · ask about it

Hub keywords: Houston;management districts;planning;government boundaries;administrative boundaries;Administrative boundary;admin;admin boundary;boundaries;administrative;boundary;City of Houston;Texas

In the explorer

Houston METRO Bus Routes

City of Houston GIS (ArcGIS Hubs) · layer · polyline · 127 records · fields · ask about it

Hub keywords: Houston;metro;bus;routes;transportation;infrastructure;City of Houston;Houston;Texas;transportation;infrastructure

In the explorer

Houston METRO Bus Stops

City of Houston GIS (ArcGIS Hubs) · layer · point · 9,046 records · fields · ask about it

Hub keywords: Houston;metro;bus;stops;transportation;infrastructure;City of Houston;Texas

In the explorer

Houston METRO Rail Line

City of Houston GIS (ArcGIS Hubs) · layer · polyline · 16 records · fields · ask about it

Hub keywords: Houston;metro;rail;line;transportation;infrastructure;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · point · 23 records · fields · ask about it

Hub keywords: Houston;metro;transit;centers;transportation;infrastructure;City of Houston;Texas

In the explorer

Houston MTFP

City of Houston GIS (ArcGIS Hubs) · layer · polyline · 26,717 records · fields · ask about it

Hub keywords: Houston;mtfp;transportation;planning;infrastructure;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · point · 11 records · fields · ask about it

Hub keywords: Houston;multi-service centers;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 743 records · fields · ask about it

Hub keywords: Houston;mud;municipal utility districts;administrative boundaries;Administrative boundary;admin;admin boundary;boundaries;administrative;boundary;City of Houston;Texas

In the explorer

Houston Museums

City of Houston GIS (ArcGIS Hubs) · layer · point · 61 records · fields · ask about it

Hub keywords: Houston;museums;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

In the explorer

Houston Opportunity Zones

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 99 records · fields · ask about it

Hub keywords: Houston;opportunity zones;planning;p&d;Planning;development;planning and development;City of Houston;Texas

In the explorer

Houston Parks

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 380 records · fields · ask about it

Hub keywords: Houston;parks;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

In the explorer

Houston Park Sectors

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 21 records · fields · ask about it

Hub keywords: Houston;parks;park sectors;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

In the explorer

Houston Police Beats

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 121 records · fields · ask about it

Hub keywords: Houston;police beats;hpd;public safety;City of Houston;Texas;safety

In the explorer

Houston Police Districts

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 25 records · fields · ask about it

Hub keywords: Houston;police districts;hpd;public safety;City of Houston;Texas;safety

In the explorer

Houston Police Divisions

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 17 records · fields · ask about it

Hub keywords: Houston;police divisions;hpd;public safety;HPD Division;City of Houston;Texas;safety

In the explorer

Houston Police Stations

City of Houston GIS (ArcGIS Hubs) · layer · point · 18 records · fields · ask about it

Hub keywords: Houston;police stations;hpd;public safety;City of Houston;Texas;safety

In the explorer

Houston Police Storefronts

City of Houston GIS (ArcGIS Hubs) · layer · point · 26 records · fields · ask about it

Hub keywords: Houston;police storefronts;hpd;public safety;City of Houston;Texas;safety

In the explorer

Houston SAFEClear Segments

City of Houston GIS (ArcGIS Hubs) · layer · polyline · 39 records · fields · ask about it

Hub keywords: HPD;Houston Police Department;SAFEClear;Houston;safeclear segments;public safety;City of Houston;Texas;safety

In the explorer

Houston School Districts

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 30 records · fields · ask about it

Hub keywords: Houston;schools;school districts;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

In the explorer

Houston Schools

City of Houston GIS (ArcGIS Hubs) · layer · point · 1,541 records · fields · ask about it

Hub keywords: Houston;schools;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · point · 604 records · fields · ask about it

Hub keywords: Houston;schools;primary;entrance;planning;p&d;City of Houston;Houston;Texas;Planning;development;planning and development

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 249 records · fields · ask about it

Hub keywords: Houston;special minimum building lines;planning;p&d;City of Houston;Texas;Planning;development;planning and development

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 804 records · fields · ask about it

Hub keywords: Houston;special minimum lot size;development;planning;p&d;City of Houston;Texas;Planning;planning and development

In the explorer

Houston Structural Fires

City of Houston GIS (ArcGIS Hubs) · layer · point · 7,014 records

Hub keywords: Houston;structural fires;hfd;public safety;City of Houston;Texas;safety

In the explorer

Houston Super Neighborhoods

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 88 records · fields · ask about it

Hub keywords: Neighborhoods;subdivisions;communities;Administrative boundary;admin;admin boundary;boundaries;administrative;boundary;City of Houston;Houston;Texas

City of Houston GIS (ArcGIS Hubs) · layer · polygon · 27 records · fields · ask about it

Hub keywords: Houston;tirz;administrative boundaries;Administrative boundary;admin;admin boundary;boundaries;administrative;boundary;City of Houston;Texas

In the explorer

Houston TOD Streets

City of Houston GIS (ArcGIS Hubs) · layer · polyline · 7,743 records · fields · ask about it

Hub keywords: Houston;tod streets;planning;p&d;Planning;development;planning and development;City of Houston;Texas

In the explorer

Houston Trauma Centers

City of Houston GIS (ArcGIS Hubs) · layer · point · 56 records · fields · ask about it

Hub keywords: Houston;trauma centers;neighborhood services;neighborhood;Neighborhoods;City of Houston;Texas

Add a dataset

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.