A Miami bulkhead that leaks, sheds soil, or shows cracks can usually be fixed where it stands, as long as it hasn't started tipping toward the water.
866-398-9323Licensed seawall specialists — FL · GA · SC
Seawall Repairs by Solid Foundations provides bulkhead repair in Miami, FL for bayfront homeowners, condo associations, and commercial waterfront owners. Typical projects include sealing leaking joints on Coconut Grove and Morningside bay walls, filling voids behind Miami River bulkheads, and rebuilding spalled caps in Belle Meade. Call 866-398-9323 or use the quote form to book a free on-site inspection.
In most cases it is. The deciding question is where the trouble lives. Surface damage and soil loss are repairable. A wall that has rotated or snapped is a different conversation.
Take a slow walk along the cap on a falling tide and note anything like this:
If you see a few of these but the wall line is still straight, you are almost certainly looking at a repair. If the wall is bowing or broken, our bulkhead replacement in Miami page covers the next step.
South Florida sits on some of the most permeable rock in the country. The U.S. Geological Survey describes the Biscayne aquifer beneath Miami as highly permeable karstic limestone and carbonate sand (USGS). Local scientists compare it to Swiss cheese, and salt water now rises up through the ground itself, not just over the shoreline.
For your bulkhead, that means:
That's why we treat soil loss and joint leaks together. Sealing one without the other rarely lasts.
We drill small ports behind the cap and pump in NCFI marine-grade polyurethane injection. The foam expands into cavities, locks loose sand together, and seals leaking seams from the land side. No trenching, and your landscaping stays put.
Damaged concrete is cut back to sound material. Exposed rebar is cleaned and treated, then the cap is re-formed and finished to match.
Trapped rainwater adds weight and pressure. Adding relief drains lets it bleed off before it cracks panels.
| What we find | Usual recommendation |
|---|---|
| Voids and leaks, wall still plumb | Repair: injection plus joint sealing |
| Spalled cap, panels in good shape | Repair: cap restoration |
| Wall leaning a few inches | Reinforce: seawall reinforcement in Miami |
| Panels cracked through or toe kicked out | Replace the failed run |
We'll give you a straight answer on which one your wall needs, and we don't push replacement when repair will hold.
Bulkhead repair in Miami typically costs $80–$250 per linear foot for void fill and $800–$2,500 per tieback anchor. Most residential repairs run $4,000–$20,000. Catching a leak early keeps you well below replacement cost.
Often, yes. Miami-Dade requires a Class I permit for work in, on, or over tidal waters, and the county's short-form category covers repair or replacement of seawalls at the mean high water line or up to 18 inches in front of the existing wall (Miami-Dade Class I package). The City of Miami building permit and state submerged-lands approval can also apply. We sort out which ones your job needs and file them.
Working farther north? We also repair bulkheads in Fort Lauderdale.
Sand is escaping through the wall or into cavities in the rock below. Each tide pulls a little more out. Keep weight off the area and have the wall inspected before the hole grows.
Yes. The foam fills cavities and binds the loose sand around them, which is exactly the condition porous limestone creates. We place injection points based on what we find on site.
Structural work in or over tidal water generally does. Minor maintenance may not. We check your exact scope with the county before work starts.
Most residential repairs take one to a few days on site once any required permits are in hand.
Licensed, insured, NCFI-certified. Serving Florida, Georgia & South Carolina since 1996.
866-398-9323