What Is an Elevation Certificate?
An elevation certificate is an official document that records the elevation of your building relative to the Base Flood Elevation (BFE) shown on FEMA flood maps. The BFE is the estimated height floodwaters would reach during a 1-percent-annual-chance flood event, also called a 100-year flood.
The certificate captures key measurements: the elevation of the lowest floor, attached garage floors, and any machinery or utilities that could be damaged by flooding. Your flood insurance company uses this data to calculate your premium under the National Flood Insurance Program (NFIP).
In Texas, an elevation certificate must be prepared by a Registered Professional Land Surveyor (RPLS), a licensed professional engineer (PE), or a licensed architect. Most property owners use an RPLS because the work involves precise field measurements tied to established benchmarks.
Why Texas Has So Many Elevation Certificate Requests
Texas has more properties in FEMA Special Flood Hazard Areas than almost any other state. The reasons are geographic: the Gulf Coast sits at sea level, the Houston metro drains poorly, and dozens of major rivers and their tributaries run through densely populated areas. Hurricanes, tropical storms, and heavy rain events regularly cause widespread flooding across the state.
The following Texas regions see the highest demand for elevation certificates:
- Harris County (Houston metro): Thousands of homes and commercial properties lie within FEMA flood zones along Buffalo Bayou, Brays Bayou, White Oak Bayou, and dozens of other waterways. Harris County consistently ranks among the top flood-loss counties in the nation.
- Galveston County: As a coastal barrier island and peninsula county, Galveston has extensive Zone VE and Zone AE flood designations. Properties here almost universally require elevation certificates.
- Brazoria County: South of Houston, Brazoria County includes coastal and river-adjacent properties with significant flood exposure.
- Other Gulf Coast counties: Jefferson, Orange, Chambers, and Nueces counties all have extensive flood zone acreage.
- Inland river corridors: Properties along the Trinity, Guadalupe, Colorado, and Brazos rivers throughout Texas may require elevation certificates where FEMA has mapped adjacent floodplains.
FEMA Flood Zones Relevant to Texas Property Owners
FEMA designates flood zones based on risk. The zones most relevant to Texas property owners requiring elevation certificates include:
- Zone AE: The most common high-risk flood zone in Texas. Base flood elevations have been determined. Mandatory flood insurance purchase requirements apply for federally backed mortgages on properties in this zone.
- Zone A: High-risk flood area but without a calculated base flood elevation. Elevation certificates in Zone A require the surveyor to use FEMA-issued advisory data or locally determined BFEs.
- Zone VE: Coastal high-hazard areas subject to wave action in addition to flooding. Common along the Texas Gulf Coast. VE zones carry the highest insurance premiums and the strictest building code requirements.
- Zone X (shaded): Moderate flood risk. Flood insurance is not mandatory for federally backed mortgages, but it is often advisable. An elevation certificate may still be useful if you want to document your elevation relative to nearby flood zones.
You can look up any Texas property's flood zone designation using the FEMA Flood Map Service Center at msc.fema.gov. Enter your address to find the current effective Flood Insurance Rate Map (FIRM) for your area.
How Much Does an Elevation Certificate Cost in Texas?
In 2026, most Texas elevation certificates cost between $150 and $400. Factors that affect the price include:
- Location: Urban Houston, Galveston, and coastal surveyors handle elevation certificates regularly and often have competitive pricing. Remote or rural locations may cost more due to travel time.
- Bundling with other survey work: If you are already ordering a boundary survey, adding an elevation certificate at the same time usually costs less than ordering it separately. The surveyor's field crew is already on site.
- Property complexity: Multi-story structures, properties with below-grade areas, or buildings with complex foundation systems may require additional measurements and calculations.
- Urgency: Rush orders cost more. If you need an elevation certificate within days for a closing, expect a premium.
The NFIP and Why Your Lender May Require an Elevation Certificate
The National Flood Insurance Program (NFIP), administered by FEMA, provides flood insurance to property owners in communities that adopt and enforce FEMA-compliant floodplain management ordinances. Texas communities participate extensively in the NFIP.
If you have a federally backed mortgage (FHA, VA, Fannie Mae, Freddie Mac) and your property is in a Special Flood Hazard Area, your lender is required by federal law to insure that you carry flood insurance. The NFIP uses elevation data to calculate your premium. An elevation certificate is how that data gets officially into the system.
For new construction in a Texas flood zone, most municipalities require an elevation certificate at the time of substantial completion to verify the building was constructed at or above the required elevation. Failure to meet this requirement can affect a property's insurability and resale value.
How to Get an Elevation Certificate in Texas
The process is straightforward:
- Step 1: Identify your flood zone. Check your address at msc.fema.gov. If your property is in Zone A, AE, or VE, you almost certainly need an elevation certificate for flood insurance purposes.
- Step 2: Hire a licensed RPLS. Only an RPLS (or PE or licensed architect) can complete and certify an elevation certificate in Texas. Verify license status at tbpls.texas.gov before hiring.
- Step 3: Provide access. The surveyor needs access to the interior of the building to measure the lowest floor elevation. Provide keys or arrange for someone to be present.
- Step 4: Receive the completed certificate. The RPLS completes FEMA Form FF-206-FY-22-152 and signs and seals it. Provide a copy to your flood insurance agent and keep a copy for your records.
- Step 5: Submit to your insurer. Your flood insurance agent uses the elevation certificate data to rate your policy. If your structure is above the BFE, you may qualify for a reduced premium.
Checking and Updating FEMA Maps in Texas
FEMA periodically updates Flood Insurance Rate Maps (FIRMs) through a process called a map revision. When a map revision occurs, properties may be added to or removed from Special Flood Hazard Areas. Texas has seen numerous map revisions in recent years, particularly in the Houston area following major flood events.
If your property has been added to a flood zone through a map revision, you can apply for a Letter of Map Amendment (LOMA) or Letter of Map Revision (LOMR) if you believe the designation is incorrect. This process requires an elevation certificate and is submitted to FEMA. The Texas General Land Office at glo.texas.gov provides resources on coastal and floodplain management for Texas property owners.
Find an RPLS to Prepare Your Texas Elevation Certificate
If you need an elevation certificate for flood insurance, a mortgage closing, or new construction, our directory lists licensed RPLS professionals across Texas who regularly prepare elevation certificates. Search by county or city to find surveyors near your property, compare service areas, and request quotes. All listed surveyors have verifiable TBPLS credentials.