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Accessory Structures in Flower Mound, TX (2026)

5 verified accessory structures rules for Flower Mound, Texas, sourced directly from the municipal code and official government pages.

Verified from official government sources

ADU Rules

Flower Mound Chapter 98 Zoning governs accessory dwelling units and guest quarters. Single-family residential zoning districts may allow guest quarters as an accessory use under specific conditions, but independent rental of ADUs as separate dwelling units is generally not permitted. Texas has no statewide ADU mandate, and local zoning controls remain in effect.

Flower Mound Accessory Dwelling Unit Rules

Some Restrictions

Shed Rules

Flower Mound Chapter 98 Zoning requires sheds and storage buildings to be architecturally compatible with the primary structure and comply with setback requirements for the applicable zoning district. A building permit is required for most shed sizes. HOAs in master-planned communities frequently prohibit visible storage sheds or impose strict material and design standards.

Flower Mound Shed and Storage Building Rules

Some Restrictions

Garage Conversions

Garage conversions in Flower Mound require a building permit and must maintain the minimum number of off-street parking spaces required by Chapter 98 Zoning for the applicable residential district. HOAs in most master-planned communities prohibit garage conversions through CC&R provisions. Converting a garage to a habitable living space requires compliance with adopted building codes for insulation, egress, electrical, and ventilation.

Flower Mound Garage Conversion Rules

Some Restrictions

Carport Rules

Flower Mound Chapter 98 Zoning regulates carports as accessory structures. Carports must comply with setback, height, and design compatibility requirements. Most master-planned community HOAs prohibit freestanding carports entirely through CC&R architectural standards, requiring enclosed garage parking instead. A building permit is required for carport construction.

Flower Mound Carport Rules

Heavy Restrictions

Tiny Homes

Flower Mound does not have a specific tiny home ordinance. Tiny homes on foundations must meet all International Residential Code minimum standards for dwelling units including minimum room sizes, ceiling heights, and utility connections. Tiny homes on wheels are classified as recreational vehicles and cannot serve as permanent residences in residential zoning districts under Chapter 98 Zoning.

Flower Mound Tiny Home Rules

Heavy Restrictions

Looking for Denton County county-wide rules?

County ordinances apply to unincorporated areas and may supplement Flower Mound city rules.

Accessory Structures in Denton County