In the explorer
Wastewater LiftStation Service Areas
Hub keywords: Boundaries;Service Areas;Meter Basins
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)
Hub keywords: Boundaries;Service Areas;Meter Basins
Hub keywords: Boundaries;Service Areas;Meter Basins
County community air sensors, rolling year of 15-minute readings
County community air sensors, 15-minute readings, ~1 hour behind
Adopted budget
[Finance Department] The Budget dataset contains information about funds allocated by department and general ledger, as well as budgeted versus actual expenses, where applicable. This page, or other pages, in this Open Budget module presents financial information without inter…
CenterPoint streetlights (two sublayers, meaning unclear)
CenterPoint streetlights (two sublayers, meaning unclear)
CenterPoint streetlights (two sublayers, meaning unclear)
Every City payment, monthly CSVs, current
[Finance Department] The Checkbook dataset includes information about the City's payments, including vendors and contracts. This portal contains checkbook information from 2018 to present.
Residential permits by month
[Planning and Development] A monthly and yearly summary of single-family and multi-family building permits applied for in the City of Houston.
Draft 2026 FEMA flood map for Harris County (HCFCD MAAPnext modeling)
HCFCD buyout lots (4,554; 2,999 FEMA-funded), received by Rice from HCFCD Mar 2026
HCFCD acquired buyout lots, received from Carolyn White on 3/12/26. From Carolyn: "Please NOTE: The areas where there are large groupings of buyout lots are likely slated to be excavated for regional detention basins and would therefore not be suitable for small-scale, neighbor…
Official HCFCD buyout areas (80) with priority rankings, % publicly owned, structures remaining
Centroid location of HCFCD Buyout Target Areas
1930s HOLC redlining map of Houston
Redlining polygon
City payroll by department, current
[Administration and Regulatory Affairs] There are over 20,000 employees working for the City of Houston. This portal contains payroll information from 2018 to present. The Payroll dataset includes information about the City of Houston employee payroll, including salary and yea…
Research copy of HFD incidents; ask Rice/HFD before use
Research copy of 2.46M HFD incidents; ask Rice/HFD before use
Research copy of 2.46M HFD incidents; ask Rice/HFD before use
Research copy of 2.46M HFD incidents; ask Rice/HFD before use
All data points cleaned for filtering accordng to a user's preferences
Rice graduate students whose residence does not have recycling
Rice graduate students whose residence has recycling
Rice graduate student housing
Rice graduate student housing with laundry in-unit
Rice graduate student housing without laundry in-unit
Rice graduate student housing without recycling
Rice graduate student housing with recycling
Rice graduate student housing
Rice graduate student housing with laundry in-unit
Rice graduate student housing without laundry in-unit
Rice graduate student housing without recycling
Rice graduate student housing with recycling
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.