LocalProjectBudget

Additions - Garage Cost in 2026

Most Additions - Garage projects in the United States cost between $44,000 and $205,000. The typical price is $95,000.

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 the United States

Quality tierCost per sq ft
Budget$110
Mid-range$240
High-end$510

Additions - Garage costs in major metros

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