Pct4 Maint Lines
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 |
1,550 matches (likely staff working copies and non-Houston research layers hidden)
Pct4 Maint Lines
Pct4 Maint Lines
Harris County Pollution Control Phenol
create date= 12-2-2008 Updated with additional information 1/4/22produced 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.
Business Analyst Patrick Johnson layers
Point locations representing Places of Worship within Harris County Precinct 2. The dataset includes descriptive attributes and publicly available information on community services offered or supported by each location, such as food assistance, mental health resources, health scr…
This dataset contains all the facilities reported by each Precinct for publication of public Precinct/County maps. EDIT: FEB3, 2022 EDIT: December 9, 2021 for redistricting and updating EDIT: MAY 23, 2014
NOV 1, 2021 Precinct revisions to reflect new redistricting changes in Commissioners Precincts. Some questions remain and further updates will be made. (Mercer in question at time of publish) SEP 08, 2021 Change Dixie Farm Road Park to Juneteenth Park per PCT1 request. JUL 2021 …
Current, court approved, official commissioner precincts for Harris County TX
Current, court approved, official commissioner precincts for Harris County TX
Current, court approved, official commissioner precincts for Harris County TX With All Cities in Harris County Removed
Current, court approved, official commissioner precincts for Harris County TX
Current, court approved, boundary for Precinct One. This Precinct boundary represents the extent of OCRE's purview, though jurisdiction, and responsibilities, will vary depending on whether the area is unincorporated.
Current, court approved, boundary for Precinct One. This Precinct boundary represents the extent of OCRE's purview, though jurisdiction, and responsibilities, will vary depending on whether the area is unincorporated.
Current, court approved, official commissioner precincts for Harris County TX
Harris County facilities.
Harris County Road Log for cataloging managed and unmanaged road segments.
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.