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Additions - To Existing Structure Cost in Miami, FL in 2026

Most Additions - To Existing Structure projects in Miami, FL cost between $53,000 and $245,000. The typical price is $115,000.

Miami prices track the national average closely. Costs here are close enough to the national picture that the adjustment barely moves the number.

What drives the price

  • Whether the addition needs its own foundation and roof tie-in
  • Adding a bathroom or kitchen (plumbing and electrical runs)
  • Structural work to the existing wall being opened up
  • Local permit and inspection requirements

Usually included

  • Framing, roofing and siding to match
  • Electrical rough-in and finish
  • Insulation, drywall and paint
  • Flooring and trim

Usually extra

  • Permits and architectural drawings
  • Site work or tree removal
  • High-end fixtures and appliances

Unit prices in Miami, FL

Quality tierCost per sq ft
Budget$130
Mid-range$285
High-end$605

Home addition and remodeling contractors in Miami, FL

Businesses listed on Google near Miami, FL. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.

Additions - To Existing Structure costs nearby

Hialeah, FLKey Biscayne, FLMiami Beach, FLOpa Locka, FLMiami Gardens, FLNorth Miami Beach, FLHollywood, FLHallandale, FLPembroke Pines, FLDania, FL