Elevation Certificates & Flood Zones in Florida

How elevation certificates affect flood insurance, FEMA flood zone types, county premium data, and when you need an elevation certificate for your Florida property.

Quick Answer

An elevation certificate (FEMA Form 086-0-33) documents your building's elevation relative to the Base Flood Elevation (BFE). In Florida, it costs $400-$700 and can reduce flood insurance premiums by documenting that your lowest floor is above BFE.

Florida has more NFIP policies than any other state. Average premiums range from $528/yr (Palm Beach) to $1,905/yr (Monroe County/Keys). An elevation certificate is your primary tool for reducing these costs.

What Is an Elevation Certificate?

An elevation certificate is an official FEMA form (086-0-33) that documents the elevation of a building's key features — lowest floor, lowest adjacent grade, machinery, and equipment — relative to the Base Flood Elevation (BFE) at that location.

A licensed Professional Surveyor and Mapper (PSM) prepares the certificate by surveying the building and comparing its elevation to the FEMA Flood Insurance Rate Map (FIRM) data. Insurance companies use this data to calculate flood insurance premiums under the National Flood Insurance Program (NFIP).

What It Measures

Lowest floor elevation, lowest adjacent grade, garage floor, machinery/equipment elevations, and the reference BFE from the FEMA FIRM panel.

Who Needs It

Homeowners in flood zones seeking insurance savings, new construction in SFHA, LOMA applicants, and property buyers/sellers in flood-prone areas.

Cost & Timeline

$400-$700 for existing structures. $300-$500 for new construction. Completed in 3-7 business days. One-time cost, no expiration.

Florida Flood Zone Types

FEMA classifies flood risk into zones on the Flood Insurance Rate Map (FIRM). The zone determines whether insurance is required and how much an elevation certificate can save you.

Zone Risk Level Description Insurance Required? Elevation Cert Benefit
Zone AE High Areas with 1% annual flood chance (100-year floodplain). BFE determined. Most common high-risk zone in Florida. Yes (if federally backed mortgage) Can reduce premiums 15-30% per foot above BFE
Zone VE High (Coastal) Coastal areas subject to storm surge and wave action. BFE includes wave height. Common along Atlantic and Gulf coasts. Yes (higher premiums than AE) Essential — V-zone building requirements apply
Zone AH High Areas of shallow flooding (1-3 feet) with determined BFEs. Near ponds, canals, and low-lying areas. Yes (if federally backed mortgage) Small elevation differences affect premiums significantly
Zone AO High Areas of sheet flow flooding with average depths of 1-3 feet. No BFE — uses depth numbers instead. Yes (if federally backed mortgage) Demonstrates compliance with depth/drainage requirements
Zone X (shaded) Moderate Areas with 0.2% annual flood chance (500-year floodplain). Not considered SFHA. Not required but recommended Can document low-risk status for preferred rates
Zone X (unshaded) Low Areas outside the 500-year floodplain. Minimal flood risk. Not required Can remove flood insurance requirement if reclassified

Flood Zone & Elevation Resources

Explore our in-depth resources on flood zones, elevation certificates, and flood insurance in Florida.

BFE & Elevation Certificate Deep Dive

Detailed guide on Base Flood Elevation, how to read certificates, and county flood data.

What Is an Elevation Certificate?

Introduction to elevation certificates and why they matter.

How to Get an Elevation Certificate

Step-by-step process for obtaining your certificate in Florida.

Elevation Certificate Cost Guide

What elevation certificates cost and what affects the price.

Flood Zone Survey Requirements

When flood zone surveys are required and what they include.

FEMA Flood Map Guide

How to read and interpret FEMA flood maps for your property.

Elevation Certificate Service

Request an elevation certificate — pricing, process, and coverage.

How Elevation Certificates Affect Insurance

Your building's elevation relative to the Base Flood Elevation (BFE) is a primary factor in flood insurance pricing. Here is how different elevation positions affect your premium.

Highest premiums

Lowest floor 1 foot BELOW BFE

Properties below BFE face the highest flood insurance costs. Each foot below BFE increases premiums substantially under FEMA Risk Rating 2.0.

Standard premiums

Lowest floor AT BFE

Meeting BFE exactly satisfies minimum requirements. Premiums are at the baseline rate for your zone, flood source distance, and construction type.

Reduced premiums

Lowest floor 1 foot ABOVE BFE

Each foot of elevation above BFE reduces premiums. The first foot above BFE typically provides the largest percentage reduction.

Significantly reduced

Lowest floor 2+ feet ABOVE BFE

Properties well above BFE qualify for the lowest flood insurance rates available for their zone. Florida Building Code requires 1 foot of freeboard above BFE in many counties.

May eliminate requirement

LOMA/LOMR approved

If an elevation certificate shows your property is actually outside the SFHA, you can apply for a Letter of Map Amendment (LOMA) to be reclassified. This can remove the flood insurance requirement.

Get Your Elevation Certificate

Find out how much you could save on flood insurance. We survey your property, prepare the certificate, and deliver it directly to your insurance agent.

Get an Elevation Certificate Quote Call (305) 216-6944

Licensed PSM. Typical turnaround 3-7 business days. All 67 Florida counties.

Florida County Flood Insurance Data

Average NFIP flood insurance premiums vary significantly by county due to differences in flood risk, construction patterns, and elevation. Counties like Miami-Dade and Hillsborough have among the highest concentrations of flood zone properties. Here are the 10 counties with the most flood insurance activity.

County Avg. NFIP Premium Primary Zones Key Flood Factor
Miami-Dade $584/yr AE, VE, AH Sea level rise accelerating risk. HVHZ construction codes. King tides cause frequent nuisance flooding.
Broward $563/yr AE, VE Low-lying topography. Canal system flood risk. Recent FEMA map updates added parcels to SFHA.
Palm Beach $528/yr AE, VE Mixed risk — western areas near Everglades in AE, barrier islands in VE.
Monroe $1,905/yr VE, AE Highest premiums in Florida. Florida Keys entirely within flood zones. All construction elevated.
Pinellas $1,327/yr AE, VE Peninsula geography creates extensive coastal flood exposure. Barrier islands in VE zones.
Lee $1,154/yr AE, VE Fort Myers area. Post-hurricane rebuilding increased demand for elevation certificates.
Charlotte $1,612/yr AE, VE Heavily impacted by hurricanes. Extensive rebuilding with elevated construction.
Hillsborough $713/yr AE, VE Tampa Bay storm surge risk. Alafia and Hillsborough rivers create riverine flood zones.
Collier $854/yr AE, VE Naples area. Everglades drainage patterns affect inland flood risk.
Duval $612/yr AE, VE Jacksonville. St. Johns River and coastal flooding. Extensive SFHA coverage.

Source: NerdWallet and LendingTree (2025 NFIP data). Premiums represent averages across representative properties in each county. Individual premiums vary based on specific elevation, flood source distance, construction type, and coverage amount. For detailed BFE and county flood data, see our flood zone elevation guide.

When You Need an Elevation Certificate

These are the most common situations where an elevation certificate is required or can save you money.

Buying a home in a flood zone

Lenders require flood insurance for federally backed mortgages in Special Flood Hazard Areas (SFHA). An elevation certificate can reduce your premiums or demonstrate your property is above BFE.

Reducing flood insurance premiums

If your lowest floor is above the Base Flood Elevation, an elevation certificate documents this and your insurer uses it to calculate a lower premium.

New construction in a flood zone

Florida Building Code requires new structures in flood zones to be built above BFE (with freeboard). An elevation certificate is required at construction completion to verify compliance.

Requesting a LOMA from FEMA

If you believe your property was incorrectly mapped in a flood zone, a Letter of Map Amendment (LOMA) request requires an elevation certificate as supporting evidence.

Selling a home in a flood zone

A current elevation certificate is valuable to potential buyers. It demonstrates the flood risk profile and can be transferred to the new owner's insurance policy.

Post-construction compliance

After building or substantially improving a structure in a flood zone, a final elevation certificate is required to document that the finished floor elevation meets or exceeds BFE requirements.

Frequently Asked Questions

What is an elevation certificate and who prepares it?
An elevation certificate (FEMA Form 086-0-33) is an official document that records the elevation of a building relative to the Base Flood Elevation (BFE). It must be prepared by a licensed Professional Surveyor and Mapper (PSM) or a licensed Professional Engineer (PE) in Florida. The certificate includes the building's lowest floor elevation, machinery/equipment elevations, the BFE for the property location, and the flood zone designation. Insurance agents use this data to calculate flood insurance premiums.
How much does an elevation certificate cost in Florida?
Elevation certificates in Florida typically cost $400-$700 for existing residential structures. New construction elevation certificates (completed as part of the building process) are often $300-$500. Costs are higher for commercial buildings, elevated structures requiring additional measurements, or properties in remote areas with longer travel times. The cost is a one-time expense that can reduce annual flood insurance premiums for the life of the policy.
Can an elevation certificate reduce my flood insurance premium?
Yes. If your elevation certificate shows that your lowest floor is above the Base Flood Elevation, your insurer will use the actual elevation data to calculate premiums rather than assuming worst-case. Each foot of elevation above BFE typically reduces premiums. Under FEMA's Risk Rating 2.0 methodology, elevation is one of several factors (along with flood source distance, construction type, and replacement cost) that determine your premium. The reduction varies by property but can be significant for properties well above BFE.
What is the difference between a flood zone determination and an elevation certificate?
A flood zone determination identifies which FEMA flood zone your property is in (AE, VE, X, etc.) — it is a lookup on FEMA's Flood Insurance Rate Map. An elevation certificate goes further: it measures the actual elevation of your building relative to the BFE through field surveying. The zone determination tells you the risk category; the elevation certificate measures your specific building's position relative to that risk. You need both for a complete flood risk picture.
How do I get a Letter of Map Amendment (LOMA)?
A LOMA is FEMA's official determination that a property or structure was incorrectly included in a Special Flood Hazard Area. To request one, you need: (1) an elevation certificate prepared by a licensed surveyor showing your lowest adjacent grade or lowest floor is at or above the BFE, (2) a completed FEMA MT-EZ or MT-1 application form, and (3) a copy of your community's Flood Insurance Rate Map panel. FEMA reviews LOMA requests at no charge and typically responds within 60 days. If approved, the LOMA removes the flood insurance requirement.
Does FEMA Risk Rating 2.0 change how elevation certificates work?
Risk Rating 2.0 changed how FEMA calculates flood insurance premiums but did not change the elevation certificate form or process. Under the old system, premiums were based primarily on the difference between your floor elevation and the BFE. Under Risk Rating 2.0, FEMA considers additional factors: distance to flood source, flood frequency, construction type, and replacement cost value. Elevation is still a factor, and elevation certificates still document it — but it is no longer the sole determinant of your premium.
What is freeboard and how does it relate to my elevation certificate?
Freeboard is the additional height above BFE required by local building codes. Many Florida counties and municipalities require 1 foot of freeboard — meaning your lowest floor must be at least 1 foot above BFE, not just at BFE. Some communities require 2 feet. Freeboard provides an extra margin of safety against floods that exceed the base flood. Your elevation certificate documents whether your building meets the freeboard requirement for your jurisdiction.
My property was recently remapped by FEMA. Do I need a new elevation certificate?
It depends. If the remapping changed your BFE or flood zone, a new elevation certificate using the updated FEMA data is recommended. The building elevation does not change, but the reference BFE may have. If the new BFE is lower than your floor elevation (you now have more freeboard), a new certificate could lower your premiums. If the new BFE is higher, you may be paying too little and should plan for premium increases. Contact us for a consultation.
Are elevation certificates required for properties in Zone X?
Elevation certificates are not required for properties in Zone X (minimal or moderate flood risk). However, they can be useful in two situations: (1) if your property was recently removed from a high-risk zone via LOMA and your lender still requires proof, and (2) if you are buying optional flood insurance in Zone X and want to document your actual elevation for the lowest possible premium. Approximately 25% of NFIP claims come from properties outside high-risk zones.
How long is an elevation certificate valid?
An elevation certificate does not expire. The building elevation it documents is a physical fact that does not change (barring structural modifications). However, the usefulness of the certificate can be affected by FEMA map revisions that change the BFE, substantial improvements or renovations that change the lowest floor elevation, or changes to FEMA's rating methodology. For real estate transactions, lenders and insurance companies typically accept elevation certificates regardless of age, though some prefer certificates prepared within the last 5-10 years.

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