Caldwell, ID Building Setbacks & Zoning: Setback Rules (2026)

Caldwell establishes building setbacks (minimum required yards) through its zoning code in Chapter 10. The 2025 zoning rewrite places residential dimensional rules in Article 5 (Residential Zoning Districts), with Bulk and Dimensional Standards at Section 10-05-04, and parallel standards exist for commercial and other districts. Required front, side, and rear yard setbacks differ by zoning district, because lower-density districts require larger yards than higher-density ones, so there is no single citywide number. For new construction, all setbacks are measured from the property line. Setbacks also interact with other rules: accessory buildings have their own placement standards, corner lots have street-side yard requirements, and easements or rights-of-way may push the buildable area further in. Because the precise minimums depend on whether your lot is zoned R-1, R-2, R-3, an RS single-family district, or another classification, and because the schedule does not reproduce reliably outside the code's tables, you should confirm the exact front, side, and rear figures for your zone with the city's dimensional standards table and the Planning and Zoning Division before designing a structure, addition, deck, or accessory building. Encroaching into a required setback typically requires a variance approved through a public hearing.