Shoreline Guardians: 5 Essential Questions to Ask Before Building a Seawall

When considering the construction of a seawall along your shoreline, thoughtful planning and consideration are key to ensuring its effectiveness and sustainability. A seawall is a significant investment in coastal protection, and asking the right questions beforehand can help you make informed decisions that will benefit both your property and the surrounding environment. Here are five essential questions to ask before building a seawall:
1. Does My Land Experience Erosion?
Understanding the erosion patterns on your land is crucial in determining the necessity of a seawall. Assess the extent of erosion along your shoreline and whether it poses a threat to your property or nearby infrastructure. If erosion is a recurring issue, a seawall may be necessary to stabilize the shoreline and prevent further land loss.
2. How High Does the Water Get?
Knowing the typical water levels and potential storm surges in your area is essential for designing an effective seawall. Consider the highest water levels recorded during storms and how they may impact your property. The height of the seawall should be sufficient to withstand these water levels and provide adequate protection to your land.
3. How Long Does the Seawall Need to Be?
The length of the seawall will depend on the extent of the shoreline that requires protection. Assess the length of the shoreline vulnerable to erosion or inundation and determine the appropriate length of the seawall to provide comprehensive protection. Consider factors such as property boundaries, neighboring structures, and natural features that may affect the length of the seawall.
4. What Are Local Seawall Regulations?
Before proceeding with seawall construction, familiarize yourself with local regulations and permitting requirements governing seawall construction in your area. Contact local authorities or regulatory agencies to obtain information on setback requirements, height restrictions, environmental considerations, and permit application procedures. Ensuring compliance with these regulations is essential to avoid delays and potential legal issues during the construction process.
5. What Material Is Best Suited for my Area?
Selecting the appropriate material for your seawall is critical to its effectiveness and longevity. Consider factors such as the local wave climate, sediment characteristics, and aesthetic preferences when choosing between materials such as concrete, steel, timber, or natural rock. Consult with marine engineering experts or contractors familiar with the local conditions to determine the most suitable material for your seawall construction project.


Building a seawall requires careful consideration of various factors to ensure its effectiveness, compliance with regulations, and compatibility with the local environment. By asking these five essential questions before embarking on a seawall construction project, you can make informed decisions that will protect your property, preserve the natural shoreline, and enhance coastal resilience. As stewards of our shorelines, it is our responsibility to approach seawall construction projects thoughtfully and sustainably, ensuring a resilient and thriving coastal environment for future generations.