When a Miami bulkhead is leaning past saving or broken in several places, a new wall built with sea-level rise in mind is the better investment, and vinyl or composite sheet pile under a concrete cap suits most bay and river lots.
866-398-9323Licensed seawall specialists — FL · GA · SC
Seawall Repairs by Solid Foundations provides bulkhead replacement in Miami, FL for bayfront homeowners, condo boards, and marina owners. Typical projects include replacing failed concrete walls along Biscayne Bay in Belle Meade and Morningside, setting new sheet pile within the county's short-form footprint on the Miami River, and raising cap heights ahead of rising tides. Call 866-398-9323 or use the quote form to book a free on-site inspection.
If none of those fit, bulkhead repair in Miami may be all you need.
| Material | Typical lifespan* | Strengths | Trade-offs |
|---|---|---|---|
| Vinyl (PVC) sheet pile | 40–50+ yrs | No rust, no rot; common on homes | Relies on a strong cap and anchors |
| Composite (FRP) sheet pile | 50+ yrs | Very durable, low upkeep | Higher upfront cost |
| Precast concrete panels | 30–50 yrs | Blends with older neighboring walls | Joints need solid sealing |
| Steel sheet pile | 25–40 yrs in salt water | High loads, commercial use | Needs corrosion protection |
| Timber | 15–25 yrs | Lowest cost | Short life in Biscayne Bay salt water |
*Ranges depend on exposure, installation quality, and upkeep.
Most Miami homeowners we work with choose vinyl or composite with a poured cap. It resists salt, and the cap can be finished to match your deck.
It's worth planning for. Miami-Dade cites regional projections that sea levels will be 10 to 17 inches higher by 2040 than in 2000 (Miami-Dade County). A wall you build now should still be doing its job then. We talk through cap height, how it meets your neighbors' walls on each side, and how it affects drainage across your yard before anything is ordered.
Usually a little, and position matters for permitting. Miami-Dade's Class I short form covers seawall replacement at the mean high water line or up to 18 inches waterward of the existing wall. A 2024 county file shows that routine processing applies when a new wall sits within one foot of the existing wet face, and a project placed about 1.6 feet out went before the County Commission instead (Miami-Dade 2024 item). Staying close to the old line keeps your permit simpler.
Full bulkhead replacement in Miami typically runs $250–$600 per linear foot. A 75-foot residential vinyl sheet pile replacement typically runs $20,000–$45,000. Height, material, and whether we work from land or a barge all shape the final price. See our Florida seawall cost guide for more detail.
Rebuilding your dock at the same time? See marine construction in Miami. We also replace bulkheads in Fort Lauderdale and Key West.
Often both. The county's Class I permit covers the work in tidal water, and the City of Miami handles the building permit. State submerged-lands approval can also be needed.
The county short form covers up to 18 inches in front of the existing wall. Going farther usually means a longer review. We design to the simplest path that works for your lot.
Miami-Dade applies standard manatee construction conditions to in-water work. We follow them as part of every job.
Vinyl or composite sheet pile with a concrete cap is the usual choice because neither rusts nor rots in salt water.
Licensed, insured, NCFI-certified. Serving Florida, Georgia & South Carolina since 1996.
866-398-9323