FEMA flood zone rules in Chelsea, MA — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Chelsea has significant flood risk: 15% of the city is currently in SFHA (Zone AE near Chelsea Creek and Island End River); projected to reach 34% by 2081. FEMA revised Flood Insurance Rate Maps effective March 16, 2016. NFIP participation required; flood insurance mandatory for federally backed mortgages in SFHA.
Chelsea's 2022 Hazard Mitigation Plan identifies flooding as the most prevalent serious natural hazard. Chelsea Creek and Island End River are the primary flood vectors. Zone AE properties must elevate structures to or above Base Flood Elevation (BFE). Massachusetts 310 CMR 9.37 requires sea level rise projections to be incorporated into coastal project design. The city is pursuing a flood defense wall between Chelsea and Everett for the Island End River area.
Development in SFHA without permit or below BFE: federal NFIP non-compliance; potential loss of flood insurance eligibility.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Chelsea, MA
Construction noise regulated under Chelsea Code Ch. 16 and MassDEP 310 CMR 7.10. Standard hours are Mon–Fri 7 AM–6 PM, Sat 8 AM–5 PM; no construction on Sund...
Chelsea, MA
Barking dogs addressed under Chelsea Code Ch. 4 (Animals) and general nuisance provisions. Excessive barking is a civil nuisance complaint under MGL c. 140. ...
Chelsea, MA
Chelsea enforces noise complaints through Chapter 16 (Miscellaneous Offenses). No single statewide decibel limit applies; the city relies on MassDEP 310 CMR ...
Chelsea, MA
Chelsea is in the flight path of Boston Logan International Airport (about 1 mile west). Aircraft noise is governed by federal FAA regulations and Massport; ...
Chelsea, MA
Chelsea has a citywide residential parking sticker program under Code §13-4.2. The Chelsea Waterfront District requires sticker parking 8 AM–6 PM Mon–Fri. St...
Chelsea, MA
Abandoned vehicles on public ways subject to state law MGL c. 90 §22C (72-hour threshold). Chelsea enforces through its ISD and Police Department. Inoperable...
Side-by-side rule comparisons with other cities in Suffolk County.
See how other cities in Suffolk County handle flood zones.
See how Chelsea's flood zones rules stack up against other locations.
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