ADU Rules & Zoning in Delray Beach, Florida (2026)
What ADU can you build in your Delray Beach backyard?
Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.
ADU Rules in Delray Beach, Florida
We've researched Delray Beach'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 — Delray Beach aligns with the statewide baseline
- No owner-occupancy requirement — investors can rent both units simultaneously
- Palm Beach County HVHZ applies — impact-resistant construction required, adds 15–20% to costs
- Delray Beach has an active arts/entertainment scene driving strong rental demand in eastern neighborhoods
- Short-term rentals allowed with city registration; Airbnb/VRBO viable especially near Atlantic Ave and the beach
- Side setbacks typically 7 ft, rear 10 ft — coastal and historic overlay districts may impose additional requirements
- Construction typically $110,000–$225,000; rental income $1,500–$2,400/month — among highest in Palm Beach County inland market
Last verified: 2026-03-14
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Backyard ADUs like this are being built across Delray Beach — here's how to do it right.
Here's exactly what Delray Beach zoning allows
ADU rules for Delray Beach, Palm Beach County. Verify all requirements with local planning.
Zoning allowance
ADUs are permitted in eligible residential zones in Delray Beach under Florida SB-48 (2026). Confirm your parcel zoning with the Palm Beach County Property Appraiser or city planning office.
Size limits
Maximum ADU size in Delray Beach varies by zoning district. Florida SB-48 prohibits size limits below 1,000 sq ft for compliant applications. Verify current local limits.
Lot + setbacks
Setback requirements vary by zoning district in Delray Beach. Confirm exact setbacks with Palm Beach County planning.
Height + coverage
Height and lot coverage limits vary by zoning district. Check Delray Beach zoning code.
Parking
Parking requirements for ADUs in Delray Beach vary by zoning district. Verify with local planning.
Rental / occupancy
Delray Beach does not require owner-occupancy under Florida SB-48 (2026). Verify current local rules.
Permit process
ADU permits in Delray Beach follow standard Florida residential building permit workflow. Contact Palm Beach County building department for current requirements.
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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:7ft side / 10ft rear
- Detached Allowed?Yes
- Max Height:25 ft
- Build Cost Est.:$110,000–$230,000
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
$1,500–$2,400/month
Based on 2025–2026 Delray Beach market data
ADUs are NOT Permitted In:
- Delray Beach Historic Districts (Nassau Park, Del-Ida Park, Old School Square) — additional Historic Preservation Board review required, may restrict ADU size and design
- Coastal High Hazard Area (CHHA) properties east of the Intracoastal — flood zone and CCCL setback requirements apply
- Commercial Downtown Core (Atlantic Ave corridor) — residential ADUs not applicable in commercial zoning
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 Delray Beach permit process step by step — so you know exactly what's coming, and what to prepare.
Step 1: Pre-Application Zoning Check
- Where:
- Delray Beach Building Division, 100 NW 1st Ave., Delray Beach, FL 33444
- Contact:
- (561) 243-7200
- 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
Step 2: Submit Permit Application
- Where:
- https://www.mydelraybeach.com/440/Building
- Contact:
- (561) 243-7200
- What to bring:
- Architectural plans, site plan, boundary survey, energy compliance docs
- Timeline:
- Standard: plan review 4–6 weeks, inspections 6–10 weeks, total 4–6 months
- Cost:
- $9,300–$17,950 in permits and fees (excluding construction)
Step 3: Plan Review & Revisions
- Where:
- Delray Beach Building Division
- Contact:
- (561) 243-7200
- What to bring:
- Responses to any correction letters; revised drawings if required
- Timeline:
- Standard: plan review 4–6 weeks, inspections 6–10 weeks, total 4–6 months. Historic district: add 4–8 weeks for HPB review.
- Cost:
- No additional fee for standard resubmittal
Step 4: Construction & Inspections
- Where:
- Delray Beach Building Department
- Contact:
- (561) 243-7200
- 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 Delray Beach Permit Cost Breakdown
These are the fees you'll encounter, in the order you'll typically encounter them.
| Cost Item | Amount / Notes |
|---|---|
| Total Estimated Cost | $9,300–$17,950 in permits and fees (excluding construction) |
| Building Permit Fee | $2,500–$4,500 |
| impact fees palm beach county | $4,500–$8,500 |
| Plan Review Fee | $500–$1,200 |
| historic preservation review | $300–$750 (if in historic district) |
| Utility Connection Fees | $1,500–$3,000 |
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Key ADU Restrictions in Delray Beach
These are the rules that most often catch homeowners by surprise. Read them carefully before engaging an architect.
- Coastal and flood zone properties require FEMA elevation compliance — verify your parcel's flood zone before designing
- Historic districts near Atlantic Avenue subject to additional design review and compatibility standards
- Short-term rental registration required with annual inspection — Delray Beach actively enforces STR ordinance
Common Mistakes to Avoid in Delray Beach
- Flood zone designation can require elevated construction that significantly increases ADU cost — check FEMA map first
- Historic district design review adds time and cost — non-compliant designs are rejected, not just revised
- Palm Beach County HVHZ wind requirements apply throughout — budget 15–20% more than inland estimates
Eligible Zones in Delray Beach
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.
Delray Beach neighborhoods where ADU permits are being filed — is your street next?
Delray Beach ADU — Frequently Asked Questions
These are the questions we hear most often from Delray Beach homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.
Is my property near Atlantic Avenue eligible for an ADU in Delray Beach?
It depends on your specific zoning. Residential zones near but not on Atlantic Avenue (typically north or south of the commercial corridor) are eligible. Properties directly on Atlantic Ave in commercial zones are not. Properties in the Old School Square or Del-Ida Park historic districts are eligible but require Historic Preservation Board review. Check your zoning at the Delray Beach GIS map or call Building at (561) 243-7200.
Does Delray Beach's coastal location affect ADU construction requirements?
Properties within FEMA Special Flood Hazard Areas (common east of Military Trail toward the coast) require flood elevation certificates and may require elevated construction. All of Delray Beach falls under Palm Beach County HVHZ, mandating impact-rated construction. Properties within the CCCL (Coastal Construction Control Line) have additional FDEP permitting requirements.
What rental rates can I expect from a Delray Beach ADU?
Delray Beach commands premium rents for Palm Beach County due to its walkable downtown, Atlantic Avenue nightlife, and beach access. Long-term ADU rentals range $1,500–$2,400/month. Eastside units near the beach or Atlantic Ave trend toward $2,000–$2,400/month. Short-term rentals in season (Nov–Apr) can achieve $150–$300/night, making STR very attractive in this market.
Are there historic district restrictions that affect ADU design in Delray Beach?
Yes. Delray Beach has multiple designated historic districts. If your property is in Del-Ida Park, Nassau Park, Old School Square, or Osceola Park, your ADU design must be reviewed by the Historic Preservation Board (HPB). The HPB evaluates architectural compatibility, materials, and massing. Plan for an additional 4–8 weeks and consult with an architect experienced in Delray's HPB process.
Can I use a Delray Beach ADU as a short-term rental?
Yes. Delray Beach permits short-term rentals with city STR registration. The registration requires a current inspection, proof of insurance, and annual renewal. During Palm Beach County's winter season (November–April), Delray Beach STR demand is very strong due to the Atlantic Avenue entertainment district and beach proximity. Airbnb and VRBO are viable income sources with proper registration.
Find out what ADU you can build in your backyard
— and get a free Delray Beach 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 Delray Beach ADU guide for your area.
Free report · No commitment · 60 seconds
Delray Beach Planning Department
We recommend calling Delray Beach Building Division at (561) 243-7200 before submitting anything — a 10-minute conversation can save weeks of back-and-forth on your permit application.
Delray Beach Building Division
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Serving homeowners in 33444, 33445, 33446, 33448, 33483, 33484 and surrounding Delray Beach zip codes.
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.