ADU Rules & Zoning in Hialeah, Florida (2026)

Updated with 2026 Florida SB-48 Codes

What ADU can you build in your Hialeah backyard?

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ADU Rules in Hialeah, Florida

We've researched Hialeah's ADU rules so you don't have to. Here's what matters most — the facts that determine whether your project is possible, and how much it will cost.

  • Maximum ADU size is 1,000 sq ft under Florida SB-48 — Hialeah follows the statewide baseline
  • No owner-occupancy requirement under SB-48 — investor-friendly under state law
  • Miami-Dade County HVHZ applies throughout — all new construction requires impact-resistant systems
  • Hialeah is Florida's most Cuban-American city — strong in-law/extended family ADU demand across the community
  • Hialeah has older single-family neighborhoods (1950s–1970s) with large lots and minimal HOA restrictions — good ADU candidates
  • Short-term rentals viable near Hialeah Park Racing & Casino and Miami Lakes area; Miami-Dade STR registration required
  • Construction $140,000–$265,000 (HVHZ); rental income $1,300–$2,100/month

Last verified: 2026-03-14

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A modern backyard cottage — the kind of ADU homeowners are building across Hialeah, Florida

Backyard ADUs like this are being built across Hialeah — here's how to do it right.

Here's exactly what Hialeah zoning allows

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

Zoning allowance

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

Size limits

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

Lot + setbacks

Typical setbacks: 5ft side, 10ft rear. Verify current requirements with Hialeah Building Division.

Height + coverage

Maximum 25ft height. Lot coverage limits apply — verify available coverage.

Parking

One additional off-street parking space may be required. Verify current requirements.

Rental / occupancy

Owner-occupancy not required under Florida SB-48. STR permitted with city registration.

Permit process

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

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Building limits and rental rules, side by side

These two sets of rules determine what you can build and what income you can expect. Read both before you commit to a design or a rental strategy.

Building Limits

  • Max Size:1,000 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

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. See the full Florida ADU laws guide →

ADUs are NOT Permitted In:

  • Commercial and industrial zones (Hialeah has significant industrial land use near E. 4th Ave and W. 29th St corridors) — not eligible for residential ADUs
  • Properties near Hialeah Park Racing that may have commercial overlay zoning — verify residential zoning with Miami-Dade
  • Parcels in Miami-Dade Environmental Sensitive Lands near canal systems — DERM review may apply

Here's exactly what you'll pay — and how to avoid the fees that catch most homeowners off guard

Most homeowners spend 3–4 weeks piecing this together on their own. We've mapped the full Hialeah permit process step by step — so you know exactly what's coming, and what to prepare.

1

Step 1: Pre-Application Zoning Check

Where:
City of Hialeah Building Division, 501 Palm Ave., Hialeah, FL 33010
Contact:
(305) 883-8000
What to bring:
Property address and parcel ID, preliminary site sketch, lot survey
Timeline:
No appointment fee — call ahead to confirm office hours
Cost:
No fee for initial inquiry
2

Step 2: Submit Permit Application

Where:
https://www.hialeahfl.gov/175/Building
Contact:
(305) 883-8000
What to bring:
Architectural plans, site plan, boundary survey, energy compliance docs
Timeline:
Plan review: 4–7 weeks (Miami-Dade iBuild)
Cost:
$10,700–$21,000 in permits and fees (excluding construction)
3

Step 3: Plan Review & Revisions

Where:
City of Hialeah Building Division
Contact:
(305) 883-8000
What to bring:
Responses to any correction letters; revised drawings if required
Timeline:
Plan review: 4–7 weeks (Miami-Dade iBuild). Inspections: 8–12 weeks. Total: 5–8 months.
Cost:
No additional fee for standard resubmittal
4

Step 4: Construction & Inspections

Where:
Hialeah Building Department
Contact:
(305) 883-8000
What to bring:
Approved permit set must be on-site at all times during construction
Timeline:
Schedule inspections as each phase of work is completed
Cost:
Included in permit fee

Full Hialeah Permit Cost Breakdown

These are the fees you'll encounter, in the order you'll typically encounter them.

Cost ItemAmount / Notes
Total Estimated Cost$10,700–$21,000 in permits and fees (excluding construction)
Building Permit Fee$3,000–$5,500 (Miami-Dade fee schedule)
impact fees miami dade$5,000–$10,000
Plan Review Fee$700–$1,500
Utility Connection Fees$2,000–$4,000
Permit Timeline: Plan review: 4–7 weeks (Miami-Dade iBuild). Inspections: 8–12 weeks. Total: 5–8 months.

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Key ADU Restrictions in Hialeah

These are the rules that most often catch homeowners by surprise. Read them carefully before engaging an architect.

  • 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

ADUs are permitted by-right in these zoning districts. Verify your parcel at the county GIS portal — most homeowners can confirm their zone in under 5 minutes.

R-1R-2
Aerial view of a Florida residential neighborhood — properties where homeowners are adding ADUs

Hialeah neighborhoods where ADU permits are being filed — is your street next?

Hialeah ADU — Frequently Asked Questions

These are the questions we hear most often from Hialeah homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.

Why is there such high ADU demand in Hialeah?

Hialeah has one of Florida's strongest cultural traditions of extended family and in-law housing. The city's predominantly Cuban-American and Latin American community has historically housed multiple generations on single-family properties. Florida SB-48 now provides a legal pathway to formalize these arrangements as ADUs with proper permits, enabling rental income and code compliance for existing accessory structures.

Are Hialeah's older neighborhoods good candidates for ADU construction?

Yes. Hialeah's 1950s–1970s residential stock (neighborhoods like Hialeah Heights, Palm Springs North, and the areas north of W. 49th St) typically features larger lots (7,000–12,000 sq ft), minimal HOA restrictions, and older primary residences that make ADUs financially attractive for offsetting mortgage costs. These neighborhoods are the best ADU target areas in Hialeah.

Does Hialeah have its own building department or does it use Miami-Dade?

Hialeah has its own City Building Division at 501 Palm Ave. The city uses Miami-Dade County building codes and HVHZ standards, but permit applications are submitted to and processed by Hialeah's own building department, not Miami-Dade County Building. Call (305) 883-8000 to confirm current procedures and request a pre-application meeting.

What are the most common code compliance issues for ADUs in Hialeah?

The most common issues are: (1) existing un-permitted structures that were converted to living space over the years — these must be properly permitted or removed before an ADU permit can be issued; (2) insufficient electrical panel capacity for two independent units; (3) lot coverage maximums being exceeded by existing structures. A site plan review with Hialeah Building staff before design work will surface these issues early.

Are short-term rentals practical in Hialeah?

Hialeah's STR market is more limited than beach or downtown Miami markets, but not negligible. Proximity to Hialeah Park Racing & Casino, Miami International Airport (10 minutes), and Miami Lakes create some transient demand. Miami-Dade County STR registration and Tourist Development Tax compliance are required. Long-term rentals ($1,300–$2,100/month) are more consistent income sources in this predominantly working-class market.

Find out what ADU you can build in your backyard

— and get a free Hialeah ADU guide for your area.

Free report · No commitment · 60 seconds

Find out what ADU you can build in your backyard

— and get a free Hialeah ADU guide for your area.

Free report · No commitment · 60 seconds

Hialeah Planning Department

We recommend calling City of Hialeah Building Division at (305) 883-8000 before submitting anything — a 10-minute conversation can save weeks of back-and-forth on your permit application.

City of Hialeah Building Division

501 Palm Ave., Hialeah, FL 33010

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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.