What Land Surveys Cost in Terrebonne Parish in 2026
Terrebonne Parish is one of the most demanding survey environments in the United States. The parish covers miles of coastal marsh, bayou channels, and low-lying terrain that extends well below sea level in many areas. In Houma, Bayou Cane, Chauvin, and Dulac, nearly every property transaction touches on flood risk, elevation data, or shifting waterway boundaries. That reality shapes what surveyors charge here.
Expect to pay more for surveys in Terrebonne Parish than in most other Louisiana parishes. The terrain is harder to work in, the legal and physical complexity is higher, and flood zone requirements add layers to nearly every project.
Typical Cost Ranges by Survey Type
Boundary surveys in Terrebonne Parish run $400 to $800 for a standard residential lot in an established neighborhood. Properties in or near wetlands, on waterfront parcels, or with legal descriptions tied to historical bayou lines can push that range to $1,000 or more. Surveyors may need to research old plats, recover lost monuments, or document the current position of a bayou boundary that has shifted since the original survey.
Elevation certificates cost $200 to $450 in most of the parish. For properties with difficult access near Dulac or Gibson, or for structures that require multiple measurements, prices reach the top of that range. Because Terrebonne sits almost entirely in AE or VE flood zones, elevation certificates are not optional for most homeowners seeking flood insurance through the National Flood Insurance Program.
ALTA surveys for commercial or investment properties run $800 to $2,500. These are common in and around Houma for commercial land purchases, oil and gas support facilities, and larger development parcels. The added cost reflects the detailed research, legal review, and precise documentation these surveys require.
What Drives Costs Higher in This Parish
Three factors make surveys more expensive in Terrebonne Parish than in most other places.
First, the physical terrain. Coastal marshes south of Houma and through communities like Chauvin require access by boat or airboat for some parcels. Surveyors bring additional equipment, spend more time in the field, and face weather and tidal conditions that slow work. A simple boundary survey that takes half a day on dry land can take a full day here.
Second, subsidence. Terrebonne Parish is sinking. Land that was surveyed accurately ten or fifteen years ago may have different elevation readings today. For flood insurance purposes, older elevation certificates are often rejected, and property owners find themselves paying for updated surveys even if no transaction is pending.
Third, riparian boundary shifts. Bayou Terrebonne, and dozens of smaller waterways throughout the parish, have channels that move over time due to erosion and sediment changes. When a property line is tied to the bank of a bayou, the legal boundary can shift with the water. Surveyors must document the current physical condition and reconcile it with historical legal descriptions, which takes research time and expert judgment.
Flood Zone Costs Are Not Optional
The NFIP requires an elevation certificate for most flood insurance policies in special flood hazard areas. Terrebonne Parish has more properties in AE and VE zones than nearly any other Louisiana parish. If you own property in Houma, Bayou Cane, or anywhere south toward the coast, you will almost certainly need an elevation certificate at some point. Budget $200 to $450 for a current certificate from a licensed Louisiana Professional Land Surveyor.
When Survey Costs Are Negotiable
Surveyors in Terrebonne Parish sometimes offer package pricing when multiple services are combined. If you need a boundary survey and an elevation certificate for the same property, ask about combined pricing. Some surveyors discount the second service when both are ordered together.
Timing matters too. Projects during the slower winter months may come in at the lower end of quoted ranges. Rush projects, or those competing with post-storm rebuilding surges after significant weather events, typically cost more.
Getting an Accurate Quote
To get a reliable quote from a Terrebonne Parish surveyor, have the following ready: the legal description or parcel identification number for the property, the address and access conditions, any existing surveys or plats you have, and a clear description of what you need the survey for. A surveyor quoting based on incomplete information may revise the number upward once they see the actual parcel.
All licensed Louisiana surveyors must hold a Professional Land Surveyor license through LAPELS. Ask any surveyor you contact to confirm their license number before work begins.
To find licensed surveyors serving Houma, Chauvin, Dulac, and the rest of the parish, browse our Terrebonne Parish directory.