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ADU Design in Jerome, ID

Torch Engineering provides accessory dwelling unit design and permitting for projects in Jerome, Idaho. Projects in Jerome are served by our Twin Falls team — same engineers, same permit-ready drawings, anywhere in Idaho.

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ADU Design in Idaho: what governs your project

Idaho has no statewide ADU statute; ADU rules are set by cities and counties through local zoning ordinances. Permissiveness varies significantly across the state.

Energy code

Local building departments review plans for zoning and code compliance, including snow-load structural requirements in mountain areas. Setbacks, size limits, and utility fees vary by jurisdiction.

Permitting & plan check

Boise, Meridian, and other Treasure Valley cities run their own permit centers with electronic submittal. Smaller cities and counties commonly use third-party plan review. Rapid growth has made review timelines a common project-planning factor in the Boise metro.

Good to know

  • Eastern Idaho sits in the Intermountain Seismic Belt with the state's highest earthquake hazard.
  • Idaho DEQ administers its own IPDES pollutant discharge program, including construction stormwater.
  • Irrigation canal coordination is a routine part of civil site work on the Snake River Plain.

Every discipline, one team

MEP Engineering in Jerome

mechanical, electrical, and plumbing design — permit-ready drawings, best price.

Structural Engineering in Jerome

structural design, analysis, and PE stamping — permit-ready drawings, best price.

Civil Engineering in Jerome

site civil engineering and land development — permit-ready drawings, best price.

PE Stamping in Jerome

licensed professional engineer stamping — permit-ready drawings, best price.