ZIP 19711 · Delaware
Neighborhood data for ZIP 19711 — Newark (DE), Delaware
Federated public-records summary for ZIP 19711. Twelve dimensions below — water, flood, wildfire, crime, schools, radon, air, lead, tax, deeds, zoning, sex-offender registry — each sourced from its primary federal or county regulator and refreshed on that regulator's cadence. Every claim cites its source; see methodology for refresh cadence and limitations.
Last verified 2026-05-13 · methodology
Water quality
Source: EPA SDWIS
Drinking-water violations, lead-copper results, and health alerts per community water system, sourced from EPA SDWIS and refreshed quarterly.
Water quality for Newark (DE) →
Flood zone
Source: FEMA NFHL
Official FIRM flood-zone classifications by address with base flood elevations, sourced from the FEMA National Flood Hazard Layer and refreshed quarterly.
Flood zone for Newark (DE) →
Wildfire risk
Source: USDA Forest Service
Community-level wildfire hazard potential on a five-step scale, sourced from USDA Forest Service Wildfire Risk to Communities and refreshed annually.
Wildfire risk for Newark (DE) →
Air quality
Source: EPA AirNow
Current AQI and multi-year averages from the nearest EPA AirNow monitoring station, per US ZIP code.
Air quality for Newark (DE) →
Crime
Source: FBI UCR
Reported crime per 100,000 residents, normalized across years and agencies, sourced from the FBI Crime Data Explorer.
Crime for Newark (DE) →
Schools
Source: NCES Common Core of Data
District boundary, enrollment, student-teacher ratio, and school demographics sourced from the NCES Common Core of Data.
Schools for Newark (DE) →
Radon
Source: EPA Radon Zones
County-level radon risk zone (1, 2, or 3) sourced from the EPA Map of Radon Zones, with state-level supplementary testing context.
Radon for Newark (DE) →
Lead pipes
Source: EPA LCRR + RTI National Lead Pipe Map
Lead service-line counts reported under the 2024 Lead and Copper Rule Revisions, sourced from EPA LCRR and RTI's national map.
Lead pipes for Newark (DE) →
Property tax
Source: County assessors
Millage rates and assessment methodology from county assessor offices, covering the top 50 US metros.
Property tax for Newark (DE) →
Deed activity
Source: County recorders
Recent deed-transfer counts aggregated to ZIP level, sourced from county recorder offices. Homeowner names are never cached or republished.
Deed activity for Newark (DE) →
Zoning
Source: Municipal planning departments
Residential, commercial, industrial, and mixed-use zoning classifications sourced from municipal planning departments.
Zoning for Newark (DE) →
Sex offender registry
Source: NSOPW (federal deep-link)
Deep-link to the Department of Justice's National Sex Offender Public Website (NSOPW). zipradar does NOT cache or republish registry records.
Sex offender registry for Newark (DE) →
New Castle County, DE
ZIP 19711 is in New Castle County. County-level data anchors property tax (assessor), deeds (recorder), and the EPA Map of Radon Zones.
New Castle County dashboard →Why ZIP 19711?
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