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Cape Coral, FL Accessory Structures: ADU Rules (2026)

Heavy Restrictions

Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

ADU rules in Cape Coral, FL, also called accessory dwelling unit regulations or granny flat ordinances, cover setbacks, owner-occupancy, parking, and permit requirements.

Key Facts

Guest Quarters: Guest houses are only allowed in the Residential
Guest Quarters: Guest houses may not contain a kitchen or
Maximum size is: Maximum size is 800 sq ft or 30% of the primary structure, whichever is less
Maximum height is: Maximum height is one story / 14 feet
Maximum two bedrooms;: Maximum two bedrooms; one extra parking space required
Guest Quarters: Guest houses cannot be rented as separate dwelling units
Preemption: Florida has no statewide ADU mandate as of 2026 (HB 247 pending)

ADU Eligibility Quick-Check

An Accessory Dwelling Unit (ADU) is a smaller, independent living unit on the same lot as a single-family home: converted garages, detached cottages, basement or attic conversions, and attached additions all qualify. Most states have streamlined ADU permitting since 2020, but local rules still control size, height, and setback.

Is your lot zoned single-family or multi-family residential?
Does your lot have at least 1,200 sq ft of buildable space?
Is your existing home owner-occupied (in most states this is not required, but some require it for ADU permits)?
Will the ADU stay under your state's size cap (commonly 850-1,200 sq ft for detached)?
Can you provide one off-street parking space (waived in many states within 0.5 mi of transit)?

If you answered 'yes' to most of these, you likely qualify in Florida under recent ADU streamlining laws. The Cape Coral, FL rules below cover local size, height, and setback requirements.

Summary

Cape Coral does not currently permit traditional accessory dwelling units (ADUs) with full kitchens. Under Land Development Code Section 5.2.11, only detached 'guest houses' are allowed, and only in the Residential Estate (RE) zoning district on lots with an existing principal residence. Guest houses cannot contain a kitchen or even the electrical/gas connections for a stove or oven, may not exceed 800 sq ft or 30% of the primary structure (whichever is less), are limited to one story (14 ft max), and cannot be rented as separate dwellings. Florida has no statewide ADU mandate.

Housing; Authorizing a landlord to accept reusable tenant screening reports and require a specified statement; requiring, rather than authorizing, local governments to adopt, by a specified date, an ordinance to allow accessory dwelling units in certain areas; authorizing a local government to provide a density bonus incentive to landowners who make certain real property donations to assist in the provision of affordable housing for military families; requiring the Office of Program Policy Analysis and Government Accountability to evaluate the efficacy of using mezzanine finance and the potential of tiny homes for specified purposes, etc. Effective Date: 7/1/2025 Last Action: 6/16/2025 Senate - Died in returning Messages Bill Text: Web Page | PDF Senate Committee References: Community Affa

View official code

Full Breakdown

11 governs accessory living quarters. A guest house may only be built on a lot with a principal residential dwelling unit located in the Residential Estate (RE) zoning district. The guest house must be a detached structure not exceeding one story and a maximum building height of 14 feet. Floor area is capped at 30% of the area of the primary structure or 800 square feet, whichever is less. A guest house may not contain a kitchen or the electrical or gas connections required to install a stove or oven, and may not contain more than two bedrooms.

One additional off-street parking space is required. Guest houses are intended only for temporary accommodation of guests or family members and may not be rented as a separate dwelling unit. Standard residential zoning districts such as RS-1 and RD do not permit detached accessory dwelling units of any kind. The City Council reviewed potential ADU language in 2023-2024 but did not reach consensus to allow secondary dwelling units citywide. Florida House Bill 247 (2025) proposes a statewide ADU mandate that, if enacted, would override local restrictions. Building permits with digitally sealed plans from licensed Florida professionals are required for all guest house construction.

Violations & Fines

Constructing an unpermitted ADU or installing a kitchen in a guest house violates the Land Development Code and the Florida Building Code, and is enforced through Cape Coral Code Compliance. Violations can trigger stop-work orders, mandatory removal of unauthorized kitchen connections, daily fines under the city's code enforcement process, and a requirement to obtain after-the-fact permits or remove the structure. Renting a guest house as a separate dwelling unit is a separate violation under Section 5.2.11.

Frequently Asked Questions

Can I build an ADU with a full kitchen in Cape Coral?

No. Cape Coral's Land Development Code Section 5.2.11 expressly prohibits kitchens and even the electrical or gas connections for a stove or oven in detached accessory living quarters. Only 'guest houses' without kitchens are allowed, and only in the Residential Estate (RE) zoning district.

What zoning districts allow guest houses in Cape Coral?

Only the Residential Estate (RE) district. Standard residential zones like RS-1 and RD do not permit detached guest houses or ADUs. Most Cape Coral lots are not zoned RE, so accessory dwellings are not an option for the majority of homeowners.

Sources & Official References

Other rules in Cape Coral

Fence Regulations: Height LimitsSome Restrictions Shed & Carport RulesSome Restrictions Garage ConversionsSome Restrictions ADU Impact FeesSome Restrictions Parking Rules: EV ChargingSome Restrictions Parking Rules: Loading ZonesSome Restrictions Fence Regulations: Fence Permit RequirementsSome Restrictions Fence Regulations: Material RestrictionsSignificant Restrictions Fence Regulations: Retaining WallsSome Restrictions

All Cape Coral rules

How Cape Coral compares: Easiest Cities to Build an ADU·Florida rules heatmap·Compare Cape Coral to another location·View the Florida accessory structures overview

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