Accessory Structures in Cedar Park, TX (2026)
6 verified accessory structures rules for Cedar Park, Texas, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Cedar Park allows one accessory dwelling unit per lot as an incidental use tied to the principal home, capped at 200 to 400 square feet or 25% of the main house's cooled floor area, whichever is less.
Cedar Park ADU Zoning Rules
Some RestrictionsCedar Park Code of Ordinances § 11.04.032
Accessory dwelling units may be allowed as an incidental residential use of a structure on the same lot as the principal dwelling unit ... No more than one (1) accessory dwelling unit (attached or detached) is permitted on the same lot with a principal dwelling unit. ... An accessory dwelling unit shall occupy no less than 200 square feet and no more than 25 percent of the cooled floor area, or...
ADU Impact Fees
Cedar Park's Town Center Mixed Residential Area requires impact fees for both water and wastewater on every residential accessory dwelling unit, with at least a half water LUE and a half wastewater LUE billed per unit under section 11.02.035(E)(7)(b).
Cedar Park ADU Utility Impact Fees
Some RestrictionsCedar Park Code of Ordinances § 11.02.035(E)(7)(b), Town Center Mixed Residential Area
Utility assignments for residential accessory dwellings. Impact fees for both water and wastewater shall be paid and LUEs issued for each residential accessory dwelling unit as required by City Code. Not less than one-half (1/2) of a water LUE and one-half (1/2) of a wastewater LUE shall be required for each residential accessory dwelling. LUEs shall be counted and credited as they are allocate...
ADU Owner Occupancy
Cedar Park requires an accessory dwelling unit to be owned by the same person or persons who own the principal home on the lot: the two can never be split into separate ownership.
Cedar Park ADU Owner-Occupancy Rule
Some RestrictionsCedar Park Code of Ordinances § 11.04.032(A)(1)
An accessory dwelling unit: 1. Shall be owned by the same person(s) who own(s) the principal dwelling unit. 2. May not be rented, sublet, or sold separately from sale of the entire property, including the principal dwelling unit. 3. Shall have the same address and share the mailbox with the principal dwelling. Multiple mailboxes are prohibited. 4. Shall be specifically permitted for...
ADU Rental Restrictions
Cedar Park bars renting or subletting an accessory dwelling unit separately from the main house: the ADU can only be sold, leased, or transferred together with the principal dwelling as one property.
Cedar Park ADU Rental Restrictions
Significant RestrictionsCedar Park Code of Ordinances § 11.04.032(A)(2)
May not be rented, sublet, or sold separately from sale of the entire property, including the principal dwelling unit. 3. Shall have the same address and share the mailbox with the principal dwelling. Multiple mailboxes are prohibited. 4. Shall be specifically permitted for such purpose. B. Design. 1. An accessory dwelling unit shall be designed and constructed so that it is in keep...
Shed & Carport Rules
Cedar Park caps all accessory buildings combined at 20% of a single-family lot's back yard, bars any one shed from exceeding the house's own size, and scales height and setback limits up as the structure gets bigger.
Accessory Building Rules in Cedar Park, TX
Some RestrictionsCedar Park Code of Ordinances § 11.04.002(B), (E) and Table 11.04.002
The total of all accessory buildings cannot exceed 20 percent coverage of the back yard of a single-family residence, and each accessory building shall not to exceed the size of the principal building.
Garage Conversions
Cedar Park allows garage conversions only in the Semi-Urban Residential (SU) zoning district, and only if the converted space still leaves enough off-street parking to meet the zoning code's parking requirements for the dwelling.
Garage Conversions in Cedar Park, Texas
Significant RestrictionsCedar Park Code of Ordinances § 11.03.153(B)(3)(c)
In the SU district, garage conversions are permitted provided parking requirements are met. The exterior doors of the garage shall remain intact and in working order so as to retain the appearance of a garage from the street. C. Estate Residential standards. 1. Site standards. a. Communities shall be gated, utilizing private streets to be owned and maintained by the homeowners’ associa...
Looking for Williamson County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Cedar Park city rules.
Accessory Structures in Williamson County →