Compare · TX · TX
ZIP 77001 vs ZIP 78212
Houston, TX compared to San Antonio (Alamo Heights), TX on twelve public-records dimensions sourced from EPA, FEMA, USDA, FBI, NCES, and county records. Each cell links to the per-ZIP topic page where the source citation and refresh cadence live.
Last verified 2026-05-13 · methodology
Side by side
| Dimension | ZIP 77001 | ZIP 78212 |
|---|---|---|
| Water quality EPA SDWIS | Open water quality for 77001 → | Open water quality for 78212 → |
| Flood zone FEMA NFHL | Open flood zone for 77001 → | Open flood zone for 78212 → |
| Wildfire risk USDA Forest Service | Open wildfire risk for 77001 → | Open wildfire risk for 78212 → |
| Air quality EPA AirNow | Open air quality for 77001 → | Open air quality for 78212 → |
| Crime FBI UCR | Open crime for 77001 → | Open crime for 78212 → |
| Schools NCES Common Core | Open schools for 77001 → | Open schools for 78212 → |
| Radon EPA Radon Zones | Open radon for 77001 → | Open radon for 78212 → |
| Lead pipes EPA LCRR / RTI | Open lead pipes for 77001 → | Open lead pipes for 78212 → |
| Property tax County assessor | Open property tax for 77001 → | Open property tax for 78212 → |
| Deed activity County recorder | Open deed activity for 77001 → | Open deed activity for 78212 → |
| Zoning Municipal planning | Open zoning for 77001 → | Open zoning for 78212 → |
| Sex offender registry NSOPW (deep-link) | Open sex offender registry for 77001 → | Open sex offender registry for 78212 → |
Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.
Texas context
Hurricanes (Gulf coast), flooding, drought
Texas Gulf coast has the largest FEMA VE/AE coverage of any state. Inland flooding (Hurricane Harvey 2017) triggered FIRM panel revisions for Houston metro. Drought + induced seismicity affect EPA SDWIS compliance in West Texas. Tornado risk in the Panhandle.
Read more on cross-ZIP comparisons
Editorial deep-dives that help when reading two places side-by-side — what each data layer actually proves, and what it doesn't.
Flood zones explained — what AE, X, and VE actually mean
Plain-English guide to FEMA flood-zone codes (A, AE, AH, V, VE, X, X-shaded). What the 1% and 0.2% annual-chance zones mean for your property and your insurance.
EPA Radon Zones — what 1, 2, and 3 mean and when you should test
EPA classifies every US county into Zone 1 (high), Zone 2 (moderate), or Zone 3 (low) for radon. Plain-English guide to the classifications and at-home testing.
FBI UCR and NIBRS — what crime statistics actually show (and don't)
The FBI's Uniform Crime Reporting (UCR) program and its successor NIBRS aggregate crime data from local agencies. Plain-English guide to what gets reported, what doesn't, and how to read the numbers.
Lead and Copper Rule 2024 — the federal lead-pipe inventory mandate
The 2024 Lead and Copper Rule Revisions (LCRR) require every US community water system to inventory and report lead service lines. Plain-English guide.
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