Accessory Structures in Parker, TX (2026)
4 verified accessory structures rules for Parker, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Parker only allows a garage apartment or other accessory dwelling in its single-family district after City Council grants a special use permit under City Code § 156.32(B)(2)(a) and (F)(3). The unit cannot exceed the height of the main house and must match its exterior materials.
Parker Accessory Dwelling Unit Rules
Significant RestrictionsParker Code of Ordinances § 156.32(F)(3)
(3) Accessory dwellings. Accessory dwellings may be constructed only after the issuance of a special use permit. (a) Minimum living space. There is no minimum living space requirement. (b) Building materials. Same requirements as primary residence. (c) Maximum height. The maximum height for any accessory buildings shall be two stories above the finished foundation elevation, not to exceed the h...
ADU Rental Restrictions
Parker flatly bars renting or leasing an accessory dwelling to third parties. An owner also cannot live in the accessory unit and rent out the primary residence instead; the accessory dwelling can only house occupants tied to the primary household.
Parker ADU Rental Ban
Heavy RestrictionsParker Code of Ordinances § 156.37(O)(4)(a)
(4) General conditions for accessory dwellings. (a) No accessory dwelling, either attached or detached, may be rented or leased to third parties by the owners or residents of the primary residence. The owners of the primary residence may not live in the accessory dwelling, and rent to third parties the primary residence.
Shed & Carport Rules
Parker requires a building permit for every accessory building, caps its size at 2,500 square feet or 3% of the lot, whichever is less, and limits height to 40 feet or the main house's roof peak, whichever is lower.
Parker Accessory Building & Shed Rules
Some RestrictionsParker Code of Ordinances § 156.37(N)
(N) Accessory buildings. See definition. (1) Accessory buildings shall be constructed of materials similar in appearance to the main dwelling or with any of the following exterior materials: ... (b) Corrugated sheet metal siding and roofing are expressly prohibited. (2) All construction of accessory buildings requires the issuance of a building permit by the city. ... (4) ...
Garage Conversions
Parker bars converting a garage, bonus room, cabana, or any other structure into a dwelling for anyone besides the primary household, except a short-term guest room capped at one month, unless the conversion follows the accessory dwelling rules and gets a special use permit.
Parker Garage-to-Living-Space Conversion Rules
Significant RestrictionsParker Code of Ordinances § 156.37(O)(4)(b)
(b) No portion of a garage, bonus room, cabana, accessory, or any other structure on the property may be used as a dwelling for any person other than the occupants of the primary residence, and their family members of the first or second degree of affinity or consanguinity, other than as a short term (no longer than one month) guest room.
Looking for Collin County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Parker city rules.
Accessory Structures in Collin County →