ZIP guide — public records, sourced

21409: Annapolis (Cape St. Claire), MD

Cape St. Claire / Atlantis, Broadneck Peninsula

A-
Crime grade (CrimeGrade)
16.22
Crimes per 1,000 / yr
1 in 2,961
Residents per registrant
80th
Safety percentile
$205
Crime cost / resident

Crime in 21409

CrimeGrade scores 21409 A- overall — safer than 80% of U.S. ZIP codes on its model, at 16.22 incidents per 1,000 residents in a typical year.

CategoryPer 1,000 / yr
Violent crime (A)1.542
Property crime (A-)8.377

The northwest is the safest part of the ZIP (victim odds about 1 in 75) versus the southwest (about 1 in 45). Do not confuse this ZIP with the City of Annapolis proper, which CrimeGrade scores far lower (grade D-, 50.68 incidents per 1,000).

Source: CrimeGrade.org, ZIP 21409 crime data — Accessed 2026-11-03. CrimeGrade figures are modeled estimates, not raw police counts.

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Registered sex offenders in 21409

7 registrants — a ratio of 1 per 2,961 residents. Count is approximate (about 7 registrants against a ZIP population of 20,289). A far lower registrant density than the nearby city baseline.

Baseline — City of Annapolis overall: 1 per 660 residents.

Counts describe density, not danger by themselves; proximity to a specific address is what matters. Check any address against the official state registry (FDLE in Florida, Maryland DPSCS in Maryland) or the federal NSOPW site.

Source: City-Data registry compilation from Maryland DPSCS (Dept. of Public Safety & Correctional Services) data, ZIP 21409 — Pulled 2026-11-03.

Flood picture in 21409

No mapped flood hazard at the checked lot; AE/VE zones sit toward Deep Creek

At the sample address checked for this ZIP (1181 Neptune Pl), Maryland iMAP's Effective FEMA Floodplain layer showed no Special Flood Hazard Area polygon at the lot or within roughly 500 feet. Mapped AE/VE zones appear toward Deep Creek, about 0.7 miles north — waterfront and creek-adjacent lots in this ZIP need their own address-level check.

Source: Maryland iMAP, MD_Floodplain 'Effective FEMA Floodplain' layer, queried for the CurbFacts sample report — Queried 2026-11-03.

Schools in 21409

One of the strongest public-school profiles in the Annapolis area, anchored by the Broadneck feeder pattern.

SchoolLevelGreatSchools
Cape St. Claire Elementary SchoolElementary8/10
Magothy River Middle SchoolMiddle10/10
Broadneck High SchoolHigh9/10

Source: GreatSchools ratings, as compiled in the CurbFacts sample report — Pulled 2026-11-03. School assignments are set by address; confirm with the district.

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Every CurbFacts report pulls the public records behind an address — flood determination, registry, tax reset, price history, permits, and what's planned nearby — and shows its sources.

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Free preview shows the top finding for covered addresses — flood is checked live nationwide; crime is covered nationwide at county level (FBI-reported); registry counts cover 26,000+ ZIPs.

Sources for this page

  • Crime: CrimeGrade.org, ZIP 21409 crime data (Accessed 2026-11-03)
  • Sex-offender registry: City-Data registry compilation from Maryland DPSCS (Dept. of Public Safety & Correctional Services) data, ZIP 21409 (Pulled 2026-11-03)
  • Flood: Maryland iMAP, MD_Floodplain 'Effective FEMA Floodplain' layer, queried for the CurbFacts sample report (Queried 2026-11-03)
  • Schools: GreatSchools ratings, as compiled in the CurbFacts sample report (Pulled 2026-11-03)

Figures are shown as published by their sources on the dates noted and are refreshed as the underlying data updates. This page is research, not legal or financial advice.