St. Augustine, FL · St. Johns County

Seawall Repair in St. Augustine, FL: Cost & Permits

What seawall repair actually costs in St. Augustine, whether you need a permit, which inspections apply, and how long the job takes.

Verified August 2026

Typical local cost

$28,000

$8,000 – $95,000

per linear foot

$350 – $1,200

Permit fee

$400 – $2,500

St. Johns County estimate

vs national

0%

local labor & materials

Do you need a permit for seawall repair in St. Augustine, FL?

Yes

Yes — a permit is required for seawall repair in St. Augustine, FL. The work must be inspected before it can be closed out, and a licensed contractor generally has to pull the permit.

Historic district properties face additional design review that can add weeks to exterior projects.

Cost breakdown in St. Augustine

Low endSimple scope, competitive bid$8,000
TypicalMost homeowners land here$28,000
High endComplex access, premium materials$95,000
per linear foot$350 – $1,200
Permit fee estimate$400 – $2,500
Timeline2-6 weeks of work, 3-9 months including environmental permitting

Math: national baseline $8,000$95,000 × St. Augustine cost index 1.00. Permit fees use a 1.00 local multiplier. Estimates, not quotes.

What drives your price here

  • Linear footage and wall height
  • Repair with tiebacks versus full replacement
  • Vinyl, concrete or steel panel system
  • Water access for barge-based work
  • Environmental and Army Corps permitting timelines

Permit process and inspections

Permit requiredYes
Who pulls itLicensed contractor
InspectionsPre-construction site inspection, Cap and tieback inspection, Final inspection
DocumentsBuilding permit application, Engineered drawings sealed by a Florida PE, Environmental resource permit from the water management district, Army Corps of Engineers authorization where applicable, Submerged lands lease or consent for state-owned bottom
ApplySt. Augustine permit portal

Frequently asked questions

How long does seawall permitting take in Florida?

Plan for three to nine months. Beyond the local building permit you typically need an environmental resource permit from the water management district and, depending on the waterway, federal authorization.

Seawall costs in nearby cities

Sources

Sources & verification

Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.

Page data quality: 89/100
  • Verified permit status
  • Official source linked
  • Local cost range
  • Inspection detail
  • Unique local rule
  • Local fee estimate
  • Useful FAQ
  • Relevant calculator
  • Internal links