ADU Rules & Zoning in Clearwater, Florida (2026)
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Key Takeaways: Clearwater ADU Rules 2026
- Maximum ADU size is 750 sq ft OR 50% of primary dwelling gross floor area — whichever is smaller
- Owner-occupancy required — must live in primary home OR the ADU
- Short-term rentals under 31 days prohibited — minimum 31-day rental period enforced
- Flexible Standard Development (FLS) zoning application ($200) required BEFORE building permit — submit first business day of month only
- FLS review takes 30–45 days — missing the monthly submission window adds a full month
- Affordable housing ADU projects qualify for 75% fee reduction on plan review and permit fees
- Annual Residential Rental Business Tax Receipt required before renting
Building Limits
- Max Size:750 sq ft or 50% (lesser)
- Detached Allowed?Yes
- Build Cost Est.:$90,000–$220,000 typical
- Min Rental Period:31 days
Rental Rules
Owner-Occupancy Required: You must live in either the primary home or the ADU.
Short-Term Rentals Prohibited: Minimum 31-day stay required in Clearwater.
Estimated Monthly Income
$1,200–$1,884/month
Based on 2025–2026 Clearwater market data
Clearwater ADU Permit Cost Breakdown
| Cost Item | Amount / Notes |
|---|---|
| Total Estimated Cost | $3,000–$8,000 |
| FLS Zoning Application | $200 (submit first business day of each month) |
| Building Permit Fee | Based on construction valuation |
| Plan Review | Included in permit fee |
| Impact Fees | Parks, fire, transportation, school fees apply — contact city for current amounts |
| Affordable Housing Discount | 75% fee reduction on plan review and permit fees for affordable housing ADU projects |
| Annual Rental Business Tax | Residential Rental Business Tax Receipt required annually (separate ongoing cost) |
Key ADU Restrictions in Clearwater
- ADU max 750 sq ft or 50% of primary home gross floor area — whichever is less
- Short-term rentals under 31 days NOT permitted in residential zones — long-term only
- Flexible Standard Development (FLS) zoning application ($200) required BEFORE building permit — submit first business day of each month
Common Mistakes to Avoid in Clearwater
- FLS zoning review takes 30–45 days and must be submitted the first business day of the month — missing this adds a month
- Residential Rental Business Tax Receipt required annually from City of Clearwater before renting
- Affordable housing ADU projects qualify for 75% fee reduction on plan review and permit fees — often missed
Eligible Zones in Clearwater
Clearwater ADU — Frequently Asked Questions
Can I build an ADU in Clearwater?
Yes. Clearwater permits ADUs in LDR, LMDR, MDR, MHDR, HDR, and other residential districts. You must file a Flexible Standard Development (FLS) zoning application ($200) and receive approval before submitting a building permit.
What is the maximum ADU size in Clearwater?
750 sq ft OR 50% of your primary dwelling's gross floor area — whichever is smaller. On a 1,200 sq ft home, your cap is 600 sq ft. On a 2,000 sq ft home, your cap is 750 sq ft (the hard ceiling).
Do I need to live on the property to build or rent an ADU in Clearwater?
Yes. Clearwater requires owner-occupancy — you must live in either the primary home or the ADU at all times. This is verified during the FLS application process.
Can I use my Clearwater ADU as an Airbnb?
No. Clearwater prohibits short-term rentals under 31 days in residential zones. Your ADU must be rented for a minimum of 31 days per stay. Long-term rentals (31+ days) are permitted and require an annual Residential Rental Business Tax Receipt from the City.
How long does the Clearwater ADU permit process take?
The FLS zoning review takes 30–45 days and must be submitted the first business day of the month — missing this window adds a full month. After FLS approval, budget 4–8 weeks for building permit review. Total typical timeline: 6–12 months. Call Planning at (727) 562-4567 to confirm the next FLS submission date.
Clearwater Planning Department
City of Clearwater Planning & Development
Nearby Cities — ADU Rules
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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.