Accessory Structures in Sparks, NV (2026)
5 verified accessory structures rules for Sparks, Nevada, sourced directly from the municipal code and official government pages.
Verified from official government sources
ADU Rules
Sparks allows one accessory dwelling unit per single-family lot under Municipal Code Section 20.03.003. ADUs are capped at 1,000 square feet or 50 percent of the main home, whichever is less, and no more than two bedrooms.
Sparks Accessory Dwelling Unit (ADU) Rules
Some RestrictionsSparks, NV, Municipal Code § 20.03.003(C)(4) (Ord. 2512, adopted Aug. 24, 2015)
ADUs shall not exceed a gross floor area 1,000 square feet or more than 50 percent of the main structure's floor area, whichever is less, or have more than two bedrooms.
Shed Rules
Sparks exempts one-story sheds of 200 square feet or less from building permits. They must sit in the side or rear yard, at least 3 feet from property lines and 5 feet from the main structure.
Sparks Shed & Outbuilding Rules
Few RestrictionsSparks, NV, Municipal Code § 20.04.002(E)(1) (Ord. 2512, adopted Aug. 24, 2015)
One-story detached accessory buildings used as tool and storage sheds, playhouses, gazebos, arbors and similar uses that do not exceed 200 square feet: Do not require a building permit ... Shall be at least three feet from the property lines. Shall only be located in the side or rear yard.
Garage Conversions
Sparks allows garage conversions to living space with a building permit meeting the 2024 International Residential Code. A converted garage used as a separate unit must satisfy the ADU standards in Municipal Code Section 20.03.003.
Sparks Garage Conversion Rules
Some RestrictionsSparks, NV, Municipal Code § 20.03.003(B)(1) (Ord. 2512, adopted Aug. 24, 2015)
An ADU may be: Constructed as a new building; Adapted from an existing building into an existing accessory structure on the same lot; or Adapted from part of the main structure.
Carport Rules
Sparks requires a building permit for carports. A detached carport must sit at least 10 feet from the principal building, meet the district's main-structure setbacks, and match the home's design and height.
Sparks Carport Construction Rules
Some RestrictionsSparks, NV, Municipal Code § 20.04.002(B)(1)(c) (Ord. 2512, adopted Aug. 24, 2015)
Detached garages and carports: ... Shall be located at least ten feet from the principal building, unless otherwise allowed by the building code.
Tiny Homes
Sparks regulates tiny homes by construction type. A tiny house on a permanent foundation is reviewed as a dwelling under the 2024 building codes; one on wheels is treated as a recreational vehicle. An ADU pathway allows tiny secondary units.
Sparks Tiny Home Rules
Some RestrictionsSparks, NV, Municipal Code § 20.03.003(B)(1) (Ord. 2512, adopted Aug. 24, 2015)
Adapted from an existing building into an existing accessory structure on the same lot; or Adapted from part of the main structure.
Looking for Washoe County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sparks city rules.
Accessory Structures in Washoe County →