Your seawall is the frontline defense for your waterfront property. It protects against erosion, stabilizes your land, and preserves the value of your investment. But like any structure exposed to the elements, seawalls don’t last forever. At Hansen Marine Construction, we’ve seen how small issues can turn into big problems if left unchecked.
Here are the top 5 signs your seawall might need repair—or even replacement.
1. Cracks or Shifting in the Seawall
🚨 Warning Sign: Visible cracks, leaning sections, or displacement of panels
Cracks mean pressure is building where it shouldn’t be. Shifting or bowing walls often signal foundation instability. Ignoring these can lead to collapse and property damage.
2. Soil Loss Behind the Seawall
🌧️ Look For: Small sinkholes, depressions, or wet spots on your lawn
If you’re losing soil behind the seawall, water is seeping through and washing it away. This weakens the land and eventually the wall itself.
3. Rusting Tie-Back Rods and Hardware
🔩 Red Flag: Corrosion or stains on the wall face
Tie-back rods and anchors keep your seawall in place. Rust or corrosion is a sign they may be failing, which compromises the wall’s structural support.
4. Water Pooling or Drainage Issues
💧 Clue: Standing water around the wall or poor drainage
Water that can’t escape builds up pressure on the seawall. A properly functioning weep hole system or drainage solution is critical to relieving hydrostatic stress.
5. Age and Outdated Construction Materials
📅 Reality Check: If your seawall is over 20–30 years old, it may be nearing the end of its useful life
Older seawalls made with outdated materials or improper installation techniques may not withstand today’s environmental conditions. Even if it looks “okay,” a professional inspection can reveal hidden risks.
What to Do if You Notice These Signs
🔧 Don’t wait. Delaying seawall repair can result in serious erosion, foundation damage, or even total wall failure.
At Hansen Marine Construction, we offer:
- Free on-site assessments
- Expert recommendations
- High-quality repairs and full replacements
- Durable materials like vinyl, concrete, and riprap
Your seawall is too important to ignore. If you’ve noticed any of these warning signs, call Hansen Marine Construction today—we’ll help you protect your shoreline with confidence and care.


