Building Setbacks & Zoning in Idaho Falls, ID (2026)
3 verified building setbacks & zoning rules for Idaho Falls, Idaho, sourced directly from the municipal code and official government pages.
Verified from official government sources
Setback Rules
Idaho Falls sets minimum building setbacks by zoning district in Table 11-3-1. In the common single-family R1 zone, the minimums are a 25-foot front, 6-foot side, and 25-foot rear setback. Other residential zones range from 15 to 40 feet in front. Setbacks vary by zone, so verify yours.
Idaho Falls Building Setback Rules
Some RestrictionsIdaho Falls City Code Title 11, Section 11-3-4, Table 11-3-1
All buildings shall be set back a minimum distance from any public street, except as herein provided and required under the provisions of the zoning ordinance. [Table 11-3-1 Setbacks, Minimum in ft.: R1 Front 25, Side 6, Rear 25.]
Structure Height Limits
In Idaho Falls's residential zones, the maximum building height is generally twenty-four feet (24') under Table 11-3-1. Accessory structures are limited to 12 feet unless they meet primary-building setbacks (then up to 24'). Taller buildings adjoining low-density residential must add setback for each extra foot of height.
Idaho Falls Structure Height Limits
Some RestrictionsIdaho Falls City Code Title 11, Section 11-3-2(C)
Exceptions to the Building Height Requirements. Roofs above the square of the building, chimneys, flagpoles, television antennas, church towers, and similar structures not used for human occupancy, are excluded when calculating building height.
Lot Coverage Limits
Idaho Falls caps lot coverage by zone in Table 11-3-1: 30% in RE, 40% in RP, R1, and RMH, 50% in TN, and 80% in R2, R3, and R3A. In the lowest-density zones coverage counts only areas under roofs; for multi-unit and commercial uses it also includes driveways, walks, and parking.
Idaho Falls Lot Coverage Limits
Some RestrictionsIdaho Falls City Code Title 11, Section 11-3-4(C)(2)-(3)
In the RE, RP, R1 and RMH Zones lot coverage shall only include those areas under roofs. For multi-unit or commercial uses lot coverage shall include all areas under roofs and paved surfaces, including driveways, walks, and parking areas.