Accessory Structures in Sparks, NV (2026)
4 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. An ADU can be built new, converted from an existing accessory structure such as a garage, or carved out of the main house, but it is capped at 1,000 square feet or half the main home's floor area, whichever is smaller, with a ten-foot rear setback and no more than two bedrooms.
Sparks ADU Zoning Rules: Size, Setback, Meters
Some RestrictionsSparks, NV, Municipal Code § 20.03.003 (Ord. 2512, adopted Aug. 24, 2015)
A.Applicability. This section applies to any accessory dwelling unit ("ADU").B.Where Allowed.1.An ADU may be:a.Constructed as a new building;b.Adapted from an existing building into an existing accessory structure on the same lot; orc.Adapted from part of the main structure.2.An ADU is not allowed on a nonconforming lot.3.Only one ADU is allowed on a lot.C.Standards.1.The ADU shall be located i...
Shed & Carport 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
Converting a detached garage into living space in Sparks is legal only as an accessory dwelling unit under Municipal Code Section 20.03.003(B)(1)(b), which lets an ADU be adapted from an existing building into an existing accessory structure on the same lot. The converted space still must meet the 1,000-square-foot/50-percent size cap, ten-foot rear setback, and shared-utility-meter rules.
Sparks Garage-to-ADU Conversion Zoning Rules
Some RestrictionsSparks, NV, Municipal Code § 20.03.003(B)(1)(b) (Ord. 2512, adopted Aug. 24, 2015)
B.Where Allowed.1.An ADU may be:a.Constructed as a new building;b.Adapted from an existing building into an existing accessory structure on the same lot; orc.Adapted from part of the main structure.2.An ADU is not allowed on a nonconforming lot.3.Only one ADU is allowed on a lot.C.Standards....4.ADUs shall not exceed a gross floor area 1,000 square feet or more than 50 percent of the main struc...
Tiny Homes
Sparks treats a tiny home on a residential lot as an accessory dwelling unit under Municipal Code Section 20.03.003, and the code caps it hard: no more than 1,000 square feet or 50 percent of the main house's floor area, whichever is smaller, two bedrooms maximum, and it can't get its own address or separate utility meters.
Sparks Tiny Home Rules: 1,000-sq-ft ADU Cap
Some RestrictionsSparks, NV, Municipal Code § 20.03.003(C)(4) (Ord. 2512, adopted Aug. 24, 2015)
Purpose: Certain accessory structures may be converted to or developed for residential dwelling uses to promote efficient use of land. This Section allows accessory dwelling units (ADUs) with standards to ensure that they do not change the residential character of the principal use. This provides affordable living options in prescribed zoning districts... C.Standards.1.The ADU shall be located ...
Looking for Washoe County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sparks city rules.
Accessory Structures in Washoe County →