Miami Permit Guide · 2026

Home Addition Permits
in Miami, FL

Permit fees for a home addition in Miami typically run $525–$2,125. Here's exactly which permits you need, what they cost, and how long FL review takes.

Do you need a permit for a home addition in Miami?

Always — an addition is new structure. Expect full plan review, zoning checks, and multiple inspections in Miami. Permit fees for a typical $106,588 home addition run about $525–$2,125 (valuation-based fee plus plan review), and FL plan review typically takes 3–6 weeks.

Permits you'll likely need

Building

full permit with stamped plans and plan review

Zoning

setback, lot-coverage, and height review

Trade permits

electrical, plumbing, and mechanical rough-ins

Site/grading

excavation and drainage in many jurisdictions

Usually exempt

Nothing meaningful — every part of a home addition runs through permitting. Budget for it up front.

FL permit note

Hurricane Straps & Wind Mitigation: Florida requires specific wind-resistant construction methods that can significantly impact insurance rates Reddit users emphasize getting a wind mitigation inspection—hurricane straps, secondary water barriers, impact windows, and roof-to-wall connections can reduce insurance by 20-45%. Any roofing work should include these upgrades.

How to get home addition permits in Miami

1
Confirm what triggers a permit
Building, Zoning, Trade permits, Site/grading permits apply when the scope includes full permit with stamped plans and plan review. Cosmetic-only scopes may be exempt.
2
Budget the fee
Plan for $525–$2,125 in Miami — a valuation-based fee on a typical $106,588 project plus plan review.
3
Apply with complete documents
Submit scope, drawings, and contractor license info to the Miami building department. FL plan review typically takes 3–6 weeks.
4
Verify it in the bid
A complete Miami bid lists permit fees as a line item. If a bid omits permits — or suggests skipping them — analyze it before signing.

Home Addition permits in Miami: FAQ

Do I need a permit for a home addition in Miami?

Always — an addition is new structure. Expect full plan review, zoning checks, and multiple inspections in Miami, FL. When in doubt, call the Miami building department before work starts — unpermitted work can block a future sale.

How much do home addition permits cost in Miami?

Expect roughly $525–$2,125 in Miami for a typical $106,588 home addition. Most jurisdictions charge a valuation-based fee of about 0.5–2% of project value, plus plan review and per-trade permit minimums.

How long does a home addition permit take in Miami?

Simple trade permits are often issued over the counter in Miami. Where plan review applies, FL turnaround typically runs 3–6 weeks. Submit complete drawings the first time — resubmittals are the most common cause of delay.

Who pulls the permit — me or my contractor?

Usually your contractor pulls permits for a home addition, and their license is attached to the work. A contractor who asks you to pull an owner's permit for contractor-performed work is shifting liability onto you — treat that as a red flag when reviewing bids.

More Miami permit guides

Home Addition permits in other FL metros

Is your home addition bid fair?

A typical Miami home addition runs $106,588. Check your contractor's bid — permits included — against live 2026 local data, free.

Miami home addition costs AUDIT MY BID

Data sources: Zonda Cost vs Value 2025; Houzz 2024 Cost Guides; BLS OEWS 2023; FRED regional price indices; Reddit homeowner & contractor reports.

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Home Addition Permits in Miami, FL