Building Setbacks & Zoning in Idaho (2026)
25 rules on the books across Idaho, 9 cities and counties. Select a rule to read the full details.
Severity: Few Restrictions · Light Restrictions · Some Restrictions · Significant Restrictions · Heavy Restrictions
Setback Rules
How far structures must be from property lines, streets, and other buildings. Different setbacks apply to front, side, and rear yards.
Ada County
Some RestrictionsIn unincorporated Ada County's Rural Residential (RR) district, Table 8-2-6-1 sets a 50-foot front setback along an…
Read full rule →Boise
Some RestrictionsBoise sets minimum front, side, and rear yard setbacks by residential zoning district, from 10-foot rears in R-3 to…
Read full rule →Bonneville County
Some RestrictionsIn Bonneville County's A-1 Agricultural Zone, a dwelling's front yard runs 80 feet from the road centerline (or 55 feet…
Read full rule →Caldwell
Some RestrictionsCaldwell's residential dimensional table sets separate front, side, street-side and rear setback minimums for each…
Read full rule →Canyon County
Some RestrictionsUnincorporated Canyon County, Idaho sets yard setbacks by zone in Canyon County Code § 07-10-21(1): the Agricultural…
Read full rule →Idaho Falls
Some RestrictionsIdaho Falls sets minimum building setbacks by zoning district in Table 11-3-1. In the common single-family R1 zone, the…
Read full rule →Kootenai County
Some RestrictionsKootenai County's Restricted Residential Zone imposes one uniform setback table on every structure, per LUDC…
Read full rule →Meridian
Some RestrictionsMeridian sets minimum rear, side and street setbacks by residential zoning district in its Unified Development Code…
Read full rule →Nampa
Some RestrictionsNampa's RS single-family district sets front, side, rear, and alley setbacks by feet, with tighter rear setbacks on…
Read full rule →Structure Height Limits
Maximum building heights allowed by zoning, including how height is measured and exceptions for chimneys, antennas, and rooftop equipment.
Ada County
Some RestrictionsIn the Rural Residential (RR) district, Ada County limits building height to a maximum of thirty-five feet (35')…
Read full rule →Boise
Some RestrictionsBoise's Development Code sets a flat 35-foot cap on new houses in the R-1A and R-1B districts, rising to 40 feet (3…
Read full rule →Bonneville County
Some RestrictionsIn the RA-1 Residential Agricultural Zone, Bonneville County caps building height at 20 feet and requires every…
Read full rule →Caldwell
Some RestrictionsCaldwell caps residential building height at 45 feet in RS-1, RS-2 and R-3, 40 feet in R-2 and 30 feet in R-1. A new…
Read full rule →Canyon County
Some RestrictionsUnincorporated Canyon County, Idaho caps residential building height at 35 feet in both the Agricultural Zone A and the…
Read full rule →Idaho Falls
Some RestrictionsIn Idaho Falls's residential zones, the maximum building height is generally twenty-four feet (24') under Table 11-3-1…
Read full rule →Kootenai County
Some RestrictionsKootenai County's residential zones set no numeric building-height cap in the code, but the Light Industrial zone…
Read full rule →Meridian
Some RestrictionsMeridian caps residential building height by zoning district under Title 11: 35 feet in R-2, R-4, and R-8, 40 feet in…
Read full rule →Nampa
Some RestrictionsIn Nampa's RS single-family residential district, principal structures cannot exceed 30 feet in height, measured from…
Read full rule →Lot Coverage Limits
The maximum percentage of your lot that can be covered by buildings and impervious surfaces like driveways and patios.
Ada County
Some RestrictionsIn unincorporated Ada County's Rural Residential (RR) zoning district, Title 8 Chapter 2's dimensional standards table…
Read full rule →Boise
Some RestrictionsOn Residential Small Lots under 3,500 square feet and on substandard lots of record citywide, Boise limits residential…
Read full rule →Bonneville County
Some RestrictionsIn the R-P Residence Park Zone, Bonneville County limits the total area covered by structures to 40% of the lot; the…
Read full rule →Canyon County
Some RestrictionsUnincorporated Canyon County, Idaho imposes no impervious-surface coverage limit at all in its Agricultural and…
Read full rule →Idaho Falls
Some RestrictionsIdaho 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…
Read full rule →Kootenai County
Some RestrictionsKootenai County's residential and suburban zones require that development leave 65% of the parcel as open space free…
Read full rule →Nampa
Few RestrictionsNampa's zoning code leaves maximum property coverage unspecified for principal structures in the RS single-family…
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