ADU Rules & Zoning in Hialeah, Florida (2026)

Updated with 2026 Florida SB-48 Codes

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Hialeah 2026 ADU Requirements Snapshot

Hialeah ADU rules under Florida SB-48. Miami-Dade HVHZ construction standards apply. Verify zoning and HOA restrictions before proceeding.

Download full city guideLast updated: 2026-03-12
Zoning allowanceADUs permitted on eligible single-family residential parcels in R-1 and R-2 zones under Florida SB-48 (2026).
Size limitsUp to 1,000 sq ft under Florida SB-48 statewide baseline.
Lot + setbacksTypical setbacks: 5ft side, 10ft rear. Verify current requirements with Hialeah Building Division.
Height + coverageMaximum 25ft height. Lot coverage limits apply — verify available coverage.
ParkingOne additional off-street parking space may be required. Verify current requirements.
Rental / occupancyOwner-occupancy not required under Florida SB-48. STR permitted with city registration.
Permit processBuilding permit required through Hialeah Building Division. Full inspection process required.

What this means for your lot

  • Use the address checker first to verify parcel-specific zoning.
  • Confirm setbacks and lot geometry before spending on plans.
  • Check short-term rental rules carefully — they vary significantly by city.

Key gotchas

  • Hialeah has one of the highest code enforcement activity levels in Miami-Dade — never build without permits
  • Miami-Dade HVHZ adds 20–25% to construction costs versus non-coastal Florida
  • Small lot sizes common in Hialeah may limit detached ADU to attached or garage-conversion options
Florida SB-48 (2026 update): Under Florida's statewide ADU law, most single-family homeowners have the right to build an ADU by-right. Local municipalities cannot impose size limits below 1,000 sq ft or require owner-occupancy as a condition of building. If you believe a local denial violates SB-48, consult a Florida land-use attorney.

Building Limits

  • Max Size:1000 sq ft
  • Setbacks:5ft side / 10ft rear
  • Detached Allowed?Yes
  • Max Height:25 ft
  • Build Cost Est.:$110,000–$220,000

Rental Rules

No Owner-Occupancy Requirement: Both units can be rented to tenants simultaneously.

Short-Term Rentals: Not prohibited at the city level. State DBPR license required.

Estimated Monthly Income

$1,400–$2,000/month

Based on 2025–2026 Hialeah market data

Key ADU Restrictions in Hialeah

  • Miami-Dade HVHZ construction standards apply — impact-resistant windows, doors, and roofing required throughout Hialeah
  • Hialeah's dense urban fabric means lot coverage limits are often binding — verify available coverage before designing a detached ADU
  • Short-term rental registration required with city; Hialeah enforces STR ordinance

Common Mistakes to Avoid in Hialeah

  • Hialeah has one of the highest code enforcement activity levels in Miami-Dade — never build without permits
  • Miami-Dade HVHZ adds 20–25% to construction costs versus non-coastal Florida
  • Small lot sizes common in Hialeah may limit detached ADU to attached or garage-conversion options

Eligible Zones in Hialeah

R-1R-2

Hialeah ADU — Frequently Asked Questions

Can I build an ADU in Hialeah, Florida?

ADUs permitted on eligible single-family residential parcels in R-1 and R-2 zones under Florida SB-48 (2026).

What is the maximum ADU size in Hialeah?

Up to 1,000 sq ft under Florida SB-48 statewide baseline.

Do I need to be an owner-occupant to build an ADU in Hialeah?

Hialeah does not require owner-occupancy. Both the primary home and ADU can be rented to tenants simultaneously.

Can I use my Hialeah ADU as an Airbnb?

Hialeah does not prohibit short-term rentals at the city level. You must obtain a Florida DBPR Vacation Rental Dwelling license.

How do I get an ADU permit in Hialeah?

Building permit required through Hialeah Building Division. Full inspection process required.

Hialeah Planning Department

(305) 883-8000
Apply for Permit Online

Nearby Cities — ADU Rules

Miami BeachView ADU Rules →Miami-Dade (Unincorporated)View ADU Rules →PinecrestView ADU Rules →

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This page provides general information based on current ordinances and publicly available data as of March 2026. Zoning rules change — verify all requirements with your local planning department before making financial commitments.