Louisiana Dock Permit Requirements

Louisiana's dock permitting is among the most complex in the nation, primarily because of the state's extraordinary coastal geography. Louisiana's coast — a vast delta system of bays, sounds, estuaries, marshes, and barrier islands — is federally and state regulated at an intensity that reflects both the ecological significance and the severe environmental threats facing the region. Any dock in Louisiana's coastal zone requires a Louisiana Coastal Use Permit from the Office of Coastal Management (OCM), and Army Corps of Engineers jurisdiction is nearly universal in coastal Louisiana.

Louisiana Coastal Use Permit

The Louisiana Coastal Zone Management Program, administered by OCM within the Louisiana Coastal Protection and Restoration Authority (CPRA), requires a Coastal Use Permit for any dock, pier, or structure placed in Louisiana's coastal zone. The coastal zone covers all of coastal Louisiana including its marshes, bayous, tidal creeks, and offshore waters. The permit application requires description of the project, site plans, photographs, and environmental information.

Louisiana's Coastal Erosion Context

Louisiana is losing coastal land at a rate of roughly 25 to 35 square miles per year — one of the most severe land loss crises in North America. This context shapes Louisiana's dock permitting: coastal management agencies are acutely focused on whether structures accelerate or mitigate erosion, and projects near fragile marsh edges receive especially careful review. If your property is in an area experiencing active shoreline erosion, expect additional scrutiny and potentially specific design requirements to avoid exacerbating erosion at the structure's location.

Army Corps — New Orleans District

The New Orleans District of the Army Corps of Engineers has among the most extensive Section 10 and Section 404 jurisdiction of any Corps District in the country, covering Louisiana's navigable rivers, coastal waterways, and extensive wetland systems. For virtually all dock projects on Louisiana's coastal waters and navigable rivers — including the Mississippi, Atchafalaya, Red River, and their distributaries — Army Corps authorization is required in addition to the state Coastal Use Permit.

Inland Louisiana Docks

For properties on inland Louisiana water bodies — Lake Bistineau, Toledo Bend Reservoir (Louisiana side), Cross Lake, Caney Creek Reservoir, and others — the permitting situation is more varied. Toledo Bend is managed by the Sabine River Authority of Louisiana (SRA-LA); dock permits on the Louisiana side go through SRA-LA rather than OCM. For other inland lakes, consult the Louisiana Department of Wildlife and Fisheries and your parish building department.

Agency Contacts

Practical Steps: Starting the Louisiana Coastal Use Permit Process

The Louisiana OCM process is more accessible than many homeowners expect. Here's a practical starting sequence for a residential coastal Louisiana dock project:

1. Determine whether you're in the Coastal Zone — Louisiana's coastal zone boundary map is available through OCM's website. Most Louisiana properties south of Interstate 10 and many properties north of it in low-lying areas are within the coastal zone. If you're uncertain, OCM can confirm your property's coastal zone status by phone: 225-342-7308.
2. Determine General Permit eligibility — OCM's General Permit categories cover simple residential docks in standard coastal locations. If your dock meets the General Permit criteria, the process is significantly faster than an Individual Permit review. Describe your project to OCM staff and ask specifically whether it qualifies for a General Permit category.
3. Contact the Army Corps New Orleans District simultaneously — For most Louisiana coastal dock projects, Army Corps jurisdiction applies. A pre-application call to the New Orleans District (504-862-2201) simultaneously with your OCM contact confirms which Nationwide Permit applies and whether a Pre-Construction Notification (PCN) is required.
4. Prepare site plans and photographs — Louisiana OCM's application requires the same core documentation as other coastal state agencies: site plans with property boundaries and dock footprint, water depth information, and photographs of the existing shoreline from multiple angles.

Louisiana's coastal landscape is actively changing — coastlines shift, marsh edges erode, and water depths change over years and decades. If your property is in an area of active land loss, document current conditions thoroughly before applying, and discuss the land change context with OCM during your pre-application conversation.