ADU Rules & Zoning in Boynton Beach, Florida (2026)
What ADU can you build in your Boynton 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 Boynton Beach, Florida
We've researched Boynton 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 — Boynton Beach aligns with the statewide baseline
- No owner-occupancy requirement — ideal for investors seeking rental income without residency requirements
- Palm Beach County HVHZ applies — impact-resistant construction required, adds 15–20% to costs vs. inland markets
- HOA deed restrictions affect many Boynton Beach communities — verify CC&Rs before spending on design
- Short-term rentals allowed with STR registration; no city-imposed minimum night stay requirement
- Side setbacks typically 7 ft, rear 10 ft — confirm by parcel with Palm Beach County planning
- Construction typically $105,000–$215,000; rental income $1,200–$2,000/month, rising with rental demand in eastern Palm Beach County
Last verified: 2026-03-14
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Backyard ADUs like this are being built across Boynton Beach — here's how to do it right.
Here's exactly what Boynton Beach zoning allows
ADU rules for Boynton Beach, Palm Beach County. Verify all requirements with local planning.
Zoning allowance
ADUs are permitted in eligible residential zones in Boynton 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 Boynton 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 Boynton Beach. Confirm exact setbacks with Palm Beach County planning.
Height + coverage
Height and lot coverage limits vary by zoning district. Check Boynton Beach zoning code.
Parking
Parking requirements for ADUs in Boynton Beach vary by zoning district. Verify with local planning.
Rental / occupancy
Boynton Beach does not require owner-occupancy under Florida SB-48 (2026). Verify current local rules.
Permit process
ADU permits in Boynton 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.:$100,000–$200,000
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
$1,200–$1,900/month
Based on 2025–2026 Boynton Beach market data
ADUs are NOT Permitted In:
- Properties within HOA communities with CC&Rs that prohibit rental units or ADUs
- Commercial, industrial, and mixed-use zoning districts — residential RS zones only
- Parcels in Boynton Beach Community Redevelopment Area (CRA) may have additional overlay requirements — verify with CRA office
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 Boynton Beach permit process step by step — so you know exactly what's coming, and what to prepare.
Step 1: Pre-Application Zoning Check
- Where:
- Boynton Beach Building Division, 100 E. Ocean Ave., Boynton Beach, FL 33435
- Contact:
- (561) 742-6350
- 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.boynton-beach.org/departments/development/building
- Contact:
- (561) 742-6350
- What to bring:
- Architectural plans, site plan, boundary survey, energy compliance docs
- Timeline:
- Plan review: 3–5 weeks
- Cost:
- $7,850–$15,500 in permits and fees (excluding construction)
Step 3: Plan Review & Revisions
- Where:
- Boynton Beach Building Division
- Contact:
- (561) 742-6350
- What to bring:
- Responses to any correction letters; revised drawings if required
- Timeline:
- Plan review: 3–5 weeks. Inspections: 6–8 weeks. Total: 3–5 months typical.
- Cost:
- No additional fee for standard resubmittal
Step 4: Construction & Inspections
- Where:
- Boynton Beach Building Department
- Contact:
- (561) 742-6350
- 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 Boynton 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 | $7,850–$15,500 in permits and fees (excluding construction) |
| Building Permit Fee | $2,200–$4,000 (based on ADU valuation) |
| impact fees palm beach county | $4,000–$7,500 |
| Plan Review Fee | $450–$1,000 |
| Utility Connection Fees | $1,200–$3,000 |
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Key ADU Restrictions in Boynton Beach
These are the rules that most often catch homeowners by surprise. Read them carefully before engaging an architect.
- ADUs must comply with R-1 residential zoning setbacks — confirm your district before designing
- HOA deed restrictions common in Boynton Beach communities — review CC&Rs before applying for permits
- Palm Beach County HVHZ construction standards apply — impact-resistant construction required throughout
Common Mistakes to Avoid in Boynton Beach
- Palm Beach County HVHZ adds significant cost — budget 15–20% more than inland Florida estimates
- HOA restrictions may prohibit ADU rental use even after city building permit is issued
- Setback requirements for detached ADUs vary by lot size — verify before purchasing plans
Eligible Zones in Boynton 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.
Boynton Beach neighborhoods where ADU permits are being filed — is your street next?
Boynton Beach ADU — Frequently Asked Questions
These are the questions we hear most often from Boynton Beach homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.
Is Boynton Beach a good market for ADU rental income?
Boynton Beach has strong rental demand driven by proximity to Boca Raton, Fort Lauderdale, and Palm Beach. The eastern portions near the Intracoastal see higher rents ($1,600–$2,000/month) while western suburban areas trend lower ($1,200–$1,600/month). The market is growing with an aging population seeking smaller, affordable housing.
What zoning districts in Boynton Beach allow ADUs?
Residential single-family zones (R-1, R-1A, R-2, and similar RS designations) are eligible under Florida SB-48. Multi-family, commercial, and mixed-use zones are not eligible for single-family ADUs. Verify your specific parcel's zone at the Palm Beach County Property Appraiser website.
Do HVHZ construction requirements apply to ADUs in Boynton Beach?
Yes. All of Boynton Beach is within Palm Beach County's High Velocity Hurricane Zone. ADUs require impact-rated windows, doors, and enhanced structural systems per FBC-R Section R301.2.1.1. This is mandatory regardless of ADU size or type.
Can I convert my existing garage into an ADU in Boynton Beach?
Yes, garage conversions are permitted as attached or semi-attached ADUs. The conversion must meet current FBC energy, insulation, and HVHZ requirements. If the garage was built before current codes, bringing it up to standard often costs more than a new detached ADU — get a detailed estimate before choosing this path.
How do I verify my HOA restrictions before applying?
Request a copy of your Declaration of Covenants, Conditions & Restrictions (CC&Rs) from your HOA management company. Look for language about 'accessory structures,' 'rental units,' 'lease restrictions,' or 'single-family use only.' The Palm Beach County Clerk's Records Search also has recorded covenants for your parcel.
Find out what ADU you can build in your backyard
— and get a free Boynton 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 Boynton Beach ADU guide for your area.
Free report · No commitment · 60 seconds
Boynton Beach Planning Department
We recommend calling Boynton Beach Building Division at (561) 742-6350 before submitting anything — a 10-minute conversation can save weeks of back-and-forth on your permit application.
Boynton Beach Building Division
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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.