Rapid City, SD Building Setbacks & Zoning: Setback Rules (2026)
Key Facts
- Front yard, arterial street
- 25 ft dwellings, 35 ft other
- Front yard, sub-collector street
- 20 ft dwellings, 15 ft side-loaded garage
- Side yard, 1-story dwelling
- 8 feet minimum
- Side yard, 2+ story dwelling
- 12 feet minimum
- Rear yard, main building
- 25 feet minimum
- Section line setback
- 58 feet minimum
Summary
Rapid City's LDR-1 district sets front yard setbacks of 20 to 35 feet depending on street type, side yards of 8 to 12 feet, a 25-foot rear yard, and a 58-foot setback from section lines under Rapid City Municipal Code § 17.10.050.
All buildings shall be set back from street right-of-way lines and lot lines to comply with the following yard requirements: A. Front yard. 1. Arterial street rights-of-way.
a. Dwellings and detached garages shall be set back not less than 25 feet from the front property line.
b. All other main and accessory structures, including churches, shall be set back not less than 35 feet from the front property line. ... ... B. Side yard. ... 1. For a single-story dwelling, located on interior lots, side yards shall be not less than 8 feet in width. For dwellings of 2 stories or more there shall be a side yard requirement of not less than 12 feet. ... ... C. Rear yard. 1. For main buildings there shall be a rear yard of not less than 25 feet. ... ... D. Setback from section lines. Principal and accessory buildings and structures shall be setback no less than 58 feet from any section line.
Full Breakdown
050, the area regulations for the LDR-1 Low Density Residential District 1, states that 'all buildings shall be set back from street right-of-way lines and lot lines to comply with the following yard requirements,' then breaks the front yard into three street classes. On arterial streets, dwellings and detached garages must sit back at least 25 feet, while all other main and accessory structures, including churches, need 35 feet. On collector streets the dwelling and detached garage minimum is also 25 feet, side-loaded attached garages get a reduced 20 feet, and other main and accessory structures still need 35 feet.
On sub-collector or lane/place streets, dwellings and detached garages drop to a 20-foot minimum, side-loaded attached garages to 15 feet, and other structures remain at 35 feet. Side yards differ by building height: a single-story dwelling on an interior lot needs at least 8 feet per side, a dwelling of two stories or more needs 12 feet, and a one-story portion of a two-story home can keep the 8-foot setback if the two-story portion itself sits 20 feet from the side lot line. Detached accessory buildings need only a 5-foot side setback once they sit more than 90 feet behind the front lot line.
Rear yards for main buildings must be at least 25 feet, dropping to 5 feet for detached accessory buildings. 050(D) adds a distinct 58-foot setback from any section line for both principal and accessory buildings, a rule tied to South Dakota's rural section-line survey grid rather than ordinary street frontage.
Violations & Fines
Building within any of these front, side, rear or section-line setback distances without an approved variance is a zoning violation that Community Development's Planning Division catches at permit review, or Code Enforcement addresses on a complaint against existing construction. A structure built into the setback faces a stop-work order and the owner must either move or remove the encroaching portion, or seek a variance from the Board of Adjustment under the procedure referenced in § 17.54.030; the city will not issue a certificate of occupancy while the encroachment stands.
Frequently Asked Questions
How far must a house be set back from the street in Rapid City's LDR-1 district?
What is the side yard setback for a two-story house in Rapid City?
Why does Rapid City require a 58-foot setback from section lines?
Sources & Official References
Other rules in Rapid City
Compare Rapid City to another location·View the South Dakota building setbacks & zoning overview
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