ADU Rules & Zoning in Fort Lauderdale, Florida (2026)

Updated with 2026 Florida SB-48 Codes

What ADU can you build in your Fort Lauderdale backyard?

Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.

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ADU Rules in Fort Lauderdale, Florida

We've researched Fort Lauderdale'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.

  • ADU limited to 1 bedroom and 1 bathroom maximum — studio/efficiency also permitted
  • Size capped at 600 sq ft OR 49% of primary dwelling gross floor area — whichever is smaller
  • Annual Certificate of Use (COU) renewal required — cannot legally rent without a current COU each year
  • Owner-occupancy required — must live in primary home or ADU
  • Short-term rentals under 30 days prohibited — minimum 30-day occupancy
  • 3 total on-site parking spaces required: 2 for primary home + 1 for ADU
  • High Velocity Hurricane Zone (170 mph) adds 20–30% to typical construction costs

Last verified: 2026-03-06

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

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

Here's exactly what Fort Lauderdale zoning allows

Fort Lauderdale ADUs governed by Ordinance Sec. 47-19.2. Max 600 sq ft or 49% of primary dwelling (whichever less). Reduced 3 ft setbacks on small lots. Rental requires annual Certificate of Use. Contact: (954) 828-6520 / BuildingServices@FortLauderdale.gov.

Zoning allowance

Use the Fort Lauderdale Interactive GIS map (fortlauderdale.gov/government/departments/sustainable-development/planning-zoning) to confirm your zoning district. Contact Development Services at (954) 828-6520 or BuildingServices@FortLauderdale.gov. Ordinance: Sec. 47-19.2.

Size limits

600 sq ft OR 49% of the gross floor area of the primary dwelling — whichever is LESS.

Lot + setbacks

Small lots (ADU footprint at or below 15% of minimum required lot size): 3 ft side and rear setbacks available. Larger lots (above 15%): 7 ft side setbacks and 20 ft rear setbacks typically apply.

Height + coverage

Detached ADUs must comply with accessory structure height limits and district development standards. Confirm height and coverage maximums with Development Services.

Parking

3 total on-site parking spaces required: 2 for the primary residence plus 1 for the ADU. If current driveway only accommodates 1–2 cars, additional paved parking may need to be added.

Rental / occupancy

Long-term rentals permitted with a Certificate of Use (COU). Annual COU renewal required for rented ADUs. STR operation requires separate compliance review. Contact Community Development for COU process.

Permit process

1. Confirm zoning district using the Interactive GIS map. 2. Contact Development Services at (954) 828-6520 to discuss your project. 3. Hire a Florida-licensed design professional. 4. Submit building permit application. 5. Plan review and address comments. 6. Pay fees and receive permit. 7. Build and pass inspections. 8. Obtain Certificate of Use (COU) before renting. 9. Renew COU annually.

ADU Size Calculator (49% formula, 600 sq ft cap)

Primary Home SizeMax ADU Size
1,200 sq ft 588 sq ft
1,800 sq ft 600 sq ft
1,300 sq ft (cap triggers)600 sq ft (max)

Whichever is smaller: 49% of primary OR 600 sq ft hard cap.

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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:600 sq ft or 49% (lesser)
  • Detached Allowed?Yes
  • Build Cost Est.:$100,000–$250,000 (HVHZ 170 mph wind zone)
  • Min Rental Period:30 days

Rental Rules

Owner-Occupancy Required: You must live in either the primary home or the ADU.

Short-Term Rentals Prohibited: Minimum 30-day stay required in Fort Lauderdale.

Estimated Monthly Income

$1,924–$2,836/month

Based on 2025–2026 Fort Lauderdale 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 →

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 Fort Lauderdale permit process step by step — so you know exactly what's coming, and what to prepare.

1

Step 1: Pre-Application Zoning Check

Where:
Fort Lauderdale Development Services, 100 N. Andrews Ave., Fort Lauderdale, FL 33301
Contact:
(954) 828-6520 · BuildingServices@FortLauderdale.gov
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://lauderbuild.com
Contact:
(954) 828-6520
What to bring:
Architectural plans, site plan, boundary survey, energy compliance docs
Timeline:
Zoning confirmation: 1–2 weeks
Cost:
$2,500–$8,000
3

Step 3: Plan Review & Revisions

Where:
Fort Lauderdale Development Services
Contact:
(954) 828-6520
What to bring:
Responses to any correction letters; revised drawings if required
Timeline:
Zoning confirmation: 1–2 weeks. Plan preparation (HVHZ-compliant): 4–12 weeks. Permit review: 4–8 weeks. Annual COU renewal required ongoing. Total typical: 6–12 months
Cost:
No additional fee for standard resubmittal
4

Step 4: Construction & Inspections

Where:
Fort Lauderdale Building Department
Contact:
(954) 828-6520
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 Fort Lauderdale Permit Cost Breakdown

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

Cost ItemAmount / Notes
Total Estimated Cost$2,500–$8,000
Certificate of Use$250 initial + annual renewal fee (contact city for current amount)
Building Permit FeeBased on construction valuation
Plan ReviewIncluded in permit fee
Impact FeesBroward County impact fees apply — contact (954) 357-6400 for estimate
HVHZ Construction NoteHigh Velocity Hurricane Zone (170 mph) construction adds 20–30% to base costs — impact-rated doors, windows, roof systems required
Permit Timeline: Zoning confirmation: 1–2 weeks. Plan preparation (HVHZ-compliant): 4–12 weeks. Permit review: 4–8 weeks. Annual COU renewal required ongoing. Total typical: 6–12 months

Find out what ADU you can build in your backyard

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Key ADU Restrictions in Fort Lauderdale

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

  • ADU limited to 1 bedroom and 1 bathroom (or studio/efficiency) only
  • Size capped at 600 sq ft or 49% of primary home — whichever is less
  • Annual Certificate of Use required — every rented ADU must be inspected and renewed annually

Common Mistakes to Avoid in Fort Lauderdale

  • Most restrictive ADU config in Florida — 1BR max, 600 sf cap, 49% dual cap
  • Annual Certificate of Use renewal is mandatory — cannot legally rent without it each year
  • HVHZ 170 mph wind zone dramatically increases construction costs

Eligible Zones in Fort Lauderdale

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.

Single-family residential districts
Aerial view of a Florida residential neighborhood — properties where homeowners are adding ADUs

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

Fort Lauderdale ADU — Frequently Asked Questions

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

Can I build an ADU in Fort Lauderdale?

Yes. Fort Lauderdale permits ADUs in single-family residential districts under Ordinance Sec. 47-19.2. ADUs are limited to studio or 1-bedroom, 1-bathroom configurations. Confirm your zoning district using the Fort Lauderdale Interactive GIS map (fortlauderdale.gov) before starting plans.

What is the maximum ADU size in Fort Lauderdale?

600 sq ft OR 49% of the primary dwelling's gross floor area — whichever is smaller. On a 1,000 sq ft home, your cap is 490 sq ft (49%). On a 1,500 sq ft or larger home, your cap is 600 sq ft (the hard ceiling). The unit is also limited to 1 bedroom and 1 bathroom maximum.

Do I need to live on the property to rent an ADU in Fort Lauderdale?

Yes. Owner-occupancy is required — you must live in either the primary home or the ADU. Long-term rentals (30+ days) require obtaining and maintaining an annual Certificate of Use from the City, renewed every year.

Can I use my Fort Lauderdale ADU as an Airbnb?

No. Short-term rentals under 30 days are prohibited. The minimum rental period is 30 days. You must also obtain an annual Certificate of Use (COU) renewal to legally rent your ADU each year.

How long does the Fort Lauderdale ADU permit process take?

6–12 months: 1–2 weeks zoning confirmation, 4–12 weeks for HVHZ-compliant plan preparation, 4–8 weeks for permit review, plus inspections and CO. The annual COU renewal is an ongoing requirement. Contact Development Services at (954) 828-6520 or BuildingServices@FortLauderdale.gov to start.

Find out what ADU you can build in your backyard

— and get a free Fort Lauderdale 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 Fort Lauderdale ADU guide for your area.

Free report · No commitment · 60 seconds

Fort Lauderdale Planning Department

We recommend calling Fort Lauderdale Development Services at (954) 828-6520 before submitting anything — a 10-minute conversation can save weeks of back-and-forth on your permit application.

Fort Lauderdale Development Services

100 N. Andrews Ave., Fort Lauderdale, FL 33301

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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.