Skip to content
Flood Figures

Elevation certificates: what they document and when they still matter

An elevation certificate (EC) is a FEMA form, completed by a licensed land surveyor, engineer, or architect, that records a building’s elevations — lowest floor, adjacent grade, machinery — against the base flood elevation on the community’s flood map. For decades it was the mandatory rating document for buildings in high-hazard zones. Under Risk Rating 2.0 it became optional for insurance: FEMA now determines first-floor height from its own datasets by default, and uses a submitted EC only when the certificate produces a lower premium. Outside insurance, the EC remains the working document of floodplain permits and map amendments.

What the form records

The EC captures, on a standardized federal form:

  • the building’s location, FIRM panel, zone, and the applicable base flood elevation;
  • surveyed elevations: top of bottom floor (including basement or enclosure), next higher floor, lowest elevation of machinery and equipment servicing the building, and lowest adjacent grade;
  • construction details relevant to flood rules — enclosure sizes and flood openings (vents), crawlspace characteristics;
  • the certifier’s license and signature — the form is a sworn professional document.

The decisive comparison is lowest floor versus BFE: a building whose lowest floor sits above the base flood elevation stands in a different regulatory and (usually) pricing position than one below it.

The changed insurance role

Under the pre-2021 system, buildings in AE and VE zones could not be accurately rated without an EC — obtaining one was effectively a purchase requirement. Under Risk Rating 2.0:

  • No EC is required to buy or renew coverage. FEMA’s engine estimates first-floor height from structural and terrain data.
  • A submitted EC works one-way. The insurer compares the certificate against FEMA’s determination and applies whichever favors the policyholder. An EC cannot raise a premium; the risk of commissioning one is only its cost.
  • When one plausibly helps: elevated construction the datasets may not capture (piers, significant fill, elevated machinery), or any case where the owner believes FEMA’s modeled first-floor height understates reality. The premium mechanics are part of how much is flood insurance?

An existing EC from purchase, construction, or a prior sale loses nothing by being submitted; the question is only whether commissioning a new survey is worth its fee for a possible reduction — a building-specific arithmetic this site describes without deciding.

Where ECs are still mandatory machinery

  • Floodplain development permits. Communities enforcing SFHA building rules require as-built ECs to prove new or substantially improved construction meets the required elevation — the compliance step ICC coverage funds after substantial damage.
  • Letters of Map Amendment. A LOMA application turns on certified elevation data showing the structure or lot stands at or above the BFE; the EC (or equivalent certified survey) is its evidentiary core.
  • Real-estate diligence. An EC in the seller’s file is the fastest answer to “how does this building sit against the base flood?” — and it transfers with the paperwork, unlike a policy assignment which must be arranged.

Obtaining one

Any licensed surveyor working in the area can prepare an EC; fees are local survey-market prices, not federal charges. Communities sometimes hold ECs on file for buildings permitted after their floodplain ordinances took effect — the floodplain administrator’s office is the free first check. FEMA publishes the current form and instructions; certificates identify the FIRM in effect when surveyed, so a map revision can date an older certificate’s zone and BFE fields even though the surveyed elevations remain valid.

Frequently asked questions

Is an elevation certificate required for flood insurance?

Not anymore. Since Risk Rating 2.0, NFIP policies rate without one; submitting one is optional and applies only when it lowers the premium.

Can an elevation certificate increase my premium?

No. FEMA’s rules apply a submitted certificate only in the policyholder’s favor; if it shows a lower first floor than FEMA assumed, the existing determination stands.

Who can complete an elevation certificate?

A land surveyor, professional engineer, or architect licensed to certify elevation information in that state — the form requires seal and signature.

How much does an elevation certificate cost?

It is a private survey service priced by local markets and site complexity; there is no federal fee schedule. Checking whether the community or a prior owner already holds one costs nothing.

Do elevation certificates expire?

The surveyed elevations do not expire; the form’s map fields (zone, BFE, panel) go stale when maps change. Permit and LOMA uses generally require the current form edition and current map data.

Where might an existing certificate already be on file?

Three places cost nothing to check: the community floodplain administrator’s office (communities retain as-built ECs for permitted construction), the closing file from the property’s last sale, and the current insurer’s underwriting file if a certificate was ever submitted for rating. Sellers’ certificates remain valid for the building — the survey describes the structure, not the owner.

Sources

Related pages