ADU Rules & Zoning in Longwood, Florida (2026)
What ADU can you build in your Longwood backyard?
Instant zoning report — see exactly what your zoning allows: permitted ADU types, size limits, setbacks, and lot requirements for your specific property.
Find out what ADU you can build in your backyard
— and get a free Longwood ADU guide for your area.
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Backyard ADUs like this are being built across Longwood — here's how to do it right.
Find out what ADU you can build in your backyard
— and get a free Longwood ADU guide for your area.
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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:1000 sq ft
- Detached Allowed?Yes
Rental Rules
Short-term rental rules vary — confirm with Longwood Planning.
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 Longwood permit process step by step — so you know exactly what's coming, and what to prepare.
Step 1: Pre-Application Zoning Check
- Where:
- Longwood Planning Department
- 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:
- Longwood Planning Department — contact for portal link
- What to bring:
- Architectural plans, site plan, boundary survey, energy compliance docs
- Timeline:
- Contact planning to confirm current review timelines
- Cost:
- Contact planning for current fee schedule
Step 3: Plan Review & Revisions
- Where:
- Longwood Planning Department
- What to bring:
- Responses to any correction letters; revised drawings if required
- Timeline:
- Plan for one or more review cycles — timeline varies by submission completeness
- Cost:
- No additional fee for standard resubmittal
Step 4: Construction & Inspections
- Where:
- Longwood Building Department
- 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
Find out what ADU you can build in your backyard
— and get a free Longwood ADU guide for your area.
Free report · No commitment · 60 seconds
Longwood neighborhoods where ADU permits are being filed — is your street next?
Longwood ADU — Frequently Asked Questions
These are the questions we hear most often from Longwood homeowners. If yours isn't here, our ADU Zoning Experts can answer it directly.
Can I build an ADU in Longwood, Florida?
ADUs are generally permitted in eligible residential zones in Longwood under Florida SB-48. Use our address checker to confirm your parcel eligibility.
What is the maximum ADU size in Longwood?
The maximum ADU size in Longwood is 1000 sq ft.
Do I need to be an owner-occupant to build an ADU in Longwood?
Contact Longwood Planning to confirm current owner-occupancy requirements.
Can I use my Longwood ADU as an Airbnb?
Contact Longwood Planning to confirm current short-term rental rules for ADUs.
How do I get an ADU permit in Longwood?
Contact the Longwood Building or Planning Department to begin the ADU permit process.
Find out what ADU you can build in your backyard
— and get a free Longwood ADU guide for your area.
Free report · No commitment · 60 seconds
Nearby Cities — ADU Rules
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This page provides general information based on current ordinances and publicly available data as of 2026. Zoning rules change — verify all requirements with your local planning department before making financial commitments.