ADU Rules in Tampa, FL (2026)
ADU rules, permit requirements, size limits, and fees for Tampa, FL. Source-cited from official municipal code.
Whether ADUs are allowed in Tampa, FL has not been confirmed — see the official source before proceeding.
Whether Tampa, FL permits accessory dwelling units (ADUs) has not been confirmed from an official source. ADUs — also called granny flats, in-law units, or secondary suites — are secondary housing units on a single-family or multifamily lot. Contact the local building department through their official website to verify current ADU rules before proceeding, as regulations may have changed since this data was last reviewed.
ADU Size Limits
ADU Size Limits in Tampa: Detached ADU: size varies by zoning — see official source (max height: varies — see official source). Attached ADU: size varies by zoning — see official source.
| Type | Max Size | Max Height |
|---|---|---|
| Detached ADU | See official source | See official source |
| Attached ADU | See official source | See official source |
Permit Fees
ADU Permit Fees in Tampa: Plan check fee: Varies. Building permit fee: Varies. Impact fees: None. School fees: None or N/A. Total estimated permit cost: Varies.
| Fee Type | Amount |
|---|---|
| Plan Check | $500–$2,000 |
| Building Permit | Based on construction value — typically $1,000–$4,000 |
| Impact Fees | Capped at single-family rate per Florida HB 1339 (2024). Hillsborough County impact fees: approximately $5,000–$8,000 reduced from previous amounts |
| School Fees | Hillsborough County School Impact Fee applies — approximately $3,000–$4,000 |
| Total Estimate | See official source |
Permit Timeline
Tampa ADU Permit Timeline: Permit timeline has not been confirmed — contact the department for current processing times. Apply through the local building department online permit portal. Contact them through their official website for current contact information.
Setback Requirements
ADU Setback Requirements in Tampa: Front setback: follows zone standard. Side setback: no minimum. Rear setback: no minimum.
Parking Requirements
Parking Requirements: Parking requirements have not been confirmed — see official source.
Restrictions & Requirements
- ADU must comply with Tampa City Code Chapter 27 dimensional standards
- Detached ADU must be located in rear yard — not visible from front street in most cases
- ADU cannot be sold separately from principal lot
- Short-term rental of ADU requires Florida DBPR license and Tampa compliance
- Hillsborough County flood zone regulations apply to properties in SFHAs
- ADU must have permanent foundation
How Many ADUs Are Allowed?
Number of ADUs Allowed in Tampa: Single-family lots: not confirmed — see official source. Multifamily properties: not confirmed — see official source.
- Single-Family Lots
- 1 detached or attached ADU per single-family lot
- Multifamily Properties
- Accessory units may be permitted per zone provisions in RM zones
Statewide Preemption
ADU Preemption
We could not confirm a statewide ADU preemption statute for Florida.
View Florida preemption detailsFrequently Asked Questions
Can I build an ADU in Tampa?
Yes. Tampa, FL allows accessory dwelling units. On a single-family lot you can build 1 detached or attached ADU per single-family lot.
How big can an ADU be in Tampa?
The maximum size for a detached ADU in Tampa is 750 square feet.
How long does it take to get an ADU permit in Tampa?
The typical ADU permit timeline in Tampa is Ministerial approval required per Florida HB 1339 — no discretionary review for ADUs meeting objective standards. Tampa Building Department typically processes ADU permits in 4-6 weeks for plan check. Construction typically 4-10 months.. Total estimated permit fees are $8,000–$20,000 total permit and impact fees.
Do I need extra parking for an ADU in Tampa?
Tampa parking rules for ADUs: 1 parking space required per ADU unless within one-half mile of a transit stop per Florida HB 1339 (2024). Tampa's HART (Hillsborough Area Regional Transit) bus network and TECO Line Streetcar provide transit access in urban areas.
Do I have to live on-site to have an ADU in Tampa?
Owner-occupancy requirement in Tampa: Owner-occupancy requirement eliminated statewide per Florida HB 1339 (2024). Neither primary residence nor ADU requires owner-occupancy.
Source: Tampa City Code Chapter 27 — Zoning Land Use Regulations; Florida Statutes 166.0451 (HB 1339, 2024). Last verified April 5, 2026. View source