Appealing a Proposed FEMA Flood Elevation: Grounds and Deadlines

If your community has received a proposed FEMA flood elevation or special flood hazard area designation, federal law limits an appeal to one specific claim, sends it to a specific local official rather than to FEMA, and sets fixed deadlines for both the local appeal and any later court challenge. The sole grounds for appeal are “the possession of knowledge or information indicating that (1) the elevations being proposed by the Administrator with respect to an identified area having special flood hazards are scientifically or technically incorrect, or (2) the designation of an identified special flood hazard area is scientifically or technically incorrect” (42 U.S.C. § 4104). The written appeal goes to the community’s chief executive officer within ninety days of the second newspaper publication of the proposed determination (44 CFR 67.5). If a final administrative determination follows, a court challenge must be filed within sixty days of receiving notice, and FEMA’s determination stays in effect during that litigation unless a court stays it. Flood insurance at the subsidized rate remains available while any determination is pending.

This original record-reading guide is a general reading aid, not cited evidence. It does not depict a source record; the article text and source links provide the facts.

Key points

• The only permitted basis for an appeal is a claim that the proposed elevation or flood-hazard-area designation is scientifically or technically incorrect — not that it is unfair, costly, or inconvenient.
• The appeal is filed locally, with the community’s chief executive officer (or an agency that officer publicly designates), not directly with FEMA, within ninety days of the second newspaper publication of the proposed determination.
• If the administrative process ends in a final determination, judicial review must be sought in the applicable U.S. district court within sixty days of receiving notice of that determination.
• A final determination remains in effect during any court litigation over it, unless a court stays it for good cause shown.
• No one in a participating community can be denied the right to buy flood insurance at the subsidized rate while a determination is still pending.

Appeal Grounds

Federal law narrows the appeal to a single question — is the science or technical basis of the proposed determination wrong. As the statute states, “The sole grounds for appeal shall be the possession of knowledge or information indicating that (1) the elevations being proposed by the Administrator with respect to an identified area having special flood hazards are scientifically or technically incorrect, or (2) the designation of an identified special flood hazard area is scientifically or technically incorrect” (42 U.S.C. § 4104). No other basis for an appeal is provided for in this statute.

Filing Details

The appeal is not filed with FEMA directly. Under the regulation, an eligible party “may file a written appeal of such determination with the CEO, or such agency as he shall publicly designate, within ninety days of the second newspaper publication of the Federal Insurance Administrator’s proposed determination” (44 CFR 67.5). The community’s chief executive officer is the filing point, and the ninety-day clock runs from the second newspaper publication of the proposed determination, not from any other notice date.

If the case goes to court

Once the administrative process produces a final determination, the deadline for court review is separate and shorter. The statute allows judicial review “not more than sixty days after receipt of notice of such determination” (42 U.S.C. § 4104), filed in the applicable U.S. district court. Filing that lawsuit does not pause the determination itself: “During the pendency of any such litigation, all final determinations of the Administrator shall be effective for the purposes of this chapter unless stayed by the court for good cause shown” (42 U.S.C. § 4104). In other words, the determination governs unless and until a court specifically stays it.

Pending Coverage

The law also protects access to subsidized-rate flood insurance during the appeal and review process. Under 44 CFR Part 67, “Until such time as a final determination is made and proper notice is given, no person within a participating community shall be denied the right to purchase flood insurance at the subsidized rate” (44 CFR 67.10). That protection lasts only until a final determination is made and proper notice is given.

What this article does not answer

This article explains what the appeal grounds, filing point, deadlines, and insurance protections are — not whether a particular objection to a proposed elevation or hazard-area designation would succeed, and not what evidence a specific property would need to support an appeal. Those determinations depend on the scientific and technical record for the property or area in question, which is outside what these two provisions establish.

Source records

https://www.govinfo.gov/content/pkg/USCODE-2024-title42/html/USCODE-2024-title42-chap50-subchapIII-sec4104.htm https://www.ecfr.gov/current/title-44/part-67