Compare · WA · CO
ZIP 98101 vs ZIP 80202
Seattle, WA compared to Denver, CO 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 98101 | ZIP 80202 |
|---|---|---|
| Water quality EPA SDWIS | Open water quality for 98101 → | Open water quality for 80202 → |
| Flood zone FEMA NFHL | Open flood zone for 98101 → | Open flood zone for 80202 → |
| Wildfire risk USDA Forest Service | Open wildfire risk for 98101 → | Open wildfire risk for 80202 → |
| Air quality EPA AirNow | Open air quality for 98101 → | Open air quality for 80202 → |
| Crime FBI UCR | Open crime for 98101 → | Open crime for 80202 → |
| Schools NCES Common Core | Open schools for 98101 → | Open schools for 80202 → |
| Radon EPA Radon Zones | Open radon for 98101 → | Open radon for 80202 → |
| Lead pipes EPA LCRR / RTI | Open lead pipes for 98101 → | Open lead pipes for 80202 → |
| Property tax County assessor | Open property tax for 98101 → | Open property tax for 80202 → |
| Deed activity County recorder | Open deed activity for 98101 → | Open deed activity for 80202 → |
| Zoning Municipal planning | Open zoning for 98101 → | Open zoning for 80202 → |
| Sex offender registry NSOPW (deep-link) | Open sex offender registry for 98101 → | Open sex offender registry for 80202 → |
Dimensions populate live as ingestion reaches each source. Every row will link to the primary regulator.
Washington context
Wildfire (eastern), Cascadia seismic, coastal flood
Washington's wildfire risk concentrates in eastern WA + the Cascades. Cascadia subduction zone shapes long-term seismic risk. Puget Sound coastal flood zones face Risk Rating 2.0 pressure. Seattle has documented LCRR lead-service-line obligations.
Colorado context
Radon Zone 1, wildfire on the Front Range
Colorado is one of the most uniformly Zone 1 radon states in the US. WUI wildfire risk concentrates along the Front Range from Boulder to Colorado Springs. Drinking water sourcing splits between Front Range water districts and Western Slope reclamation projects, each with distinct EPA SDWIS compliance histories.
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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