West Palm Beach, FL · Palm Beach County

Ductwork Replacement in West Palm Beach, FL: Cost & Permits

What ductwork replacement actually costs in West Palm Beach, whether you need a permit, which inspections apply, and how long the job takes.

Verified August 2026

Typical local cost

$6,000

$2,800 – $13,400

per supply run

$300 – $650

Permit fee

$110 – $390

Palm Beach County estimate

vs national

+12%

local labor & materials

Do you need a permit for ductwork replacement in West Palm Beach, FL?

Yes

Yes — a permit is required for ductwork replacement in West Palm Beach, FL. The work must be inspected before it can be closed out, and a licensed contractor generally has to pull the permit.

Palm Beach County uses a 170 mph design wind speed in many coastal areas, which affects roofing and opening protection.

Cost breakdown in West Palm Beach

Low endSimple scope, competitive bid$2,800
TypicalMost homeowners land here$6,000
High endComplex access, premium materials$13,400
per supply run$300 – $650
Permit fee estimate$110 – $390
Timeline1-3 days of work, 1-3 weeks including permitting

Math: national baseline $2,500$12,000 × West Palm Beach cost index 1.12. Permit fees use a 1.22 local multiplier. Estimates, not quotes.

What drives your price here

  • Number of supply and return runs
  • Flex duct versus rigid sheet metal
  • Attic access and clearance
  • Return air sizing corrections
  • Removal of contaminated duct board

Permit process and inspections

Permit requiredYes
Who pulls itLicensed contractor
InspectionsDuct rough-in, Duct leakage test, Final mechanical inspection
DocumentsMechanical permit application, HVAC contractor license, Duct leakage test report
ApplyWest Palm Beach permit portal

Frequently asked questions

Does duct replacement need a permit in Florida?

Yes. Replacing a duct system requires a mechanical permit and a duct leakage test in most Florida jurisdictions, because duct leakage is regulated under the energy code.

Ductwork 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: 100/100
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