Flood zone · ZIP 22030
Flood zone in Fairfax, VA
ZIP 22030 (Virginia) — flood zone summary sourced from FEMA NFHL. Data lands this week as the FEMA NFHL ingestion pipeline rolls out.
Last verified 2026-04-24 · methodology
What lands here
Pages show the flood zone code, what it means in plain English (1% annual chance zone, 0.2% annual chance zone, or outside mapped hazard), and the base flood elevation where assigned.
Source & refresh
FEMA NFHL. Refreshed quarterly loma updates. Stale data is flagged, never silently served. Primary source →
Limitations specific to this source
For an official flood-zone determination (required by lenders), consult the FEMA Map Service Center directly. zipradar shows informational classifications only.
Full dashboard for ZIP 22030
Flood zone is one of twelve dimensions zipradar federates per address. See the full federated summary for ZIP 22030:
Open Fairfax, VA dashboard →