Home / Guides / What Is an Elevation Certificate
An Elevation Certificate is a standardized FEMA form, completed and signed by a licensed surveyor, engineer, or architect, that records how high your building's lowest floor sits compared with the base flood elevation. Insurers use those measured heights to rate a flood policy. In a high-risk zone, a home built above the expected flood level can pay a much lower premium, so the certificate is often the cheapest way to prove your property is safer than the map assumes.
The flood map tells you the zone. The Elevation Certificate tells you where your actual building stands relative to the water that zone is drawn around. That difference, measured in feet, is what turns a generic zone label into a specific insurance price. If your address is in a Special Flood Hazard Area, this one document can be the difference between a high premium and a manageable one.
Only a licensed land surveyor, professional engineer, or architect authorized under state law can complete and certify one. That is deliberate: the form carries a professional's signature attesting that the elevations were measured, not estimated. You cannot fill it out yourself, and an insurer will not accept a self-reported version. The professional visits the property, shoots the elevations against a known vertical datum, records the results on FEMA Form 086-0-33, and signs it.
The core of the form is a set of measured heights and a few facts that let an insurer rate risk precisely:
The number that matters most is the gap between your lowest floor and the base flood elevation. Higher is better. For the risk framing behind that base flood figure, see our guide to what a 100-year flood really means.
In high-risk zones, flood premiums are sensitive to elevation. If your lowest floor is above the base flood elevation, the certificate proves it, and that can reduce your rate. If the numbers are strong enough, it can also support a Letter of Map Amendment that removes your specific structure from the high-risk zone and, with it, the mandatory-insurance requirement on a mortgage. The certificate does not change the water; it documents your building's real relationship to it, which is what an insurer prices. It is one of the most reliable ways to lower a flood insurance bill.
Takeaway: The zone sets the baseline; the Elevation Certificate can beat it. If you are in Zone AE or VE and think your home sits high, a few hundred dollars for a surveyor can pay for itself in reduced premiums, sometimes quickly.
| Situation | Likely need | Rough cost |
|---|---|---|
| High-risk zone (A, AE, VE) | Often worth it to rate or reduce a premium | ~$250 to $1,000+ |
| Applying for a map amendment | Typically required as evidence | ~$250 to $1,000+ |
| Shaded Zone X (moderate) | Rarely required, occasionally helpful | Same range if obtained |
| Unshaded Zone X (minimal) | Generally not needed | Usually not obtained |
Prices depend on your region, lot size, site access, and whether recent survey data already exists. Get two or three quotes from local licensed surveyors before committing.
Start with your zone. If you are in a Special Flood Hazard Area such as AE or VE, an Elevation Certificate is usually worth pricing out. If you are in minimal-risk Zone X, you almost certainly do not need one. Not sure which zone your address falls in? Boundaries are drawn parcel by parcel, so your ZIP will not tell you. A report that looks up your exact address in FEMA's National Flood Hazard Layer gives you the zone and base flood elevation up front, so you know whether a certificate is even on the table. See also Zone AE vs X and whether flood insurance is required. Full method on our methodology page.
We report your zone and base flood elevation from FEMA data, so you know whether an Elevation Certificate is worth getting.
