ADUFee.com
Last reviewed 2026-05-31Low confidence

Miami ADU Permit Fees & Cost Calculator

Miami-Dade County confirms ADUs are recognized on single-family lots in the county, but the exact City of Miami fee schedule for ADUs was not available in the provided official sources. Non-official guides suggest permit and related fees are typically several thousand dollars, but those amounts should be verified directly with the City of Miami and Miami-Dade County before use.[8][1][6]

ADUFee.com is not affiliated with Miami. Estimates are informational and should be verified with the city, utility providers, and qualified professionals.

Free ADU fee calculator

Estimate local ADU fees

Low confidence

Step 1 of 5: Location

The calculator uses staged city data from the ADUFee database with visible confidence levels and dated source tracking.

Fee overview

No direct official City of Miami fee schedule was provided in the search results, so exact amounts are not included.

Secondary sources contain estimates that may be outdated or may not apply to every zoning district or utility provider.

Verify current fees directly with the City of Miami Building Department and Miami-Dade County before relying on this data.

The relevant permitting authority may be the City of Miami plus Miami-Dade County, depending on parcel location and review jurisdiction.

ADU-related county fees may include impact fees, school fees, utility charges, and permit sub-fees, but exact applicability depends on project scope and location.

The user wants permit and pre-development fee data rather than full construction costs.

FAQs

Are Miami ADU fee estimates official?

No. ADUFee.com provides planning estimates only. Final fees are set by the city, utility providers, school district, and other agencies.

What sources are used for Miami?

The database stores city, state, utility, school, county, and other source links where available. Each estimate should still be verified locally.

Can ADU fees vary within Florida?

Yes. Permit, utility, school, inspection, and impact fees can vary by jurisdiction, parcel, project size, utility provider, and local interpretation.