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  1. Zoning
  2. Idaho Falls, ID
  3. R3A

Idaho Falls, ID · zoning record

R3A zoning in Idaho Falls.

The dimensional standards that govern what you can build in the R3A district, straight from Idaho Falls's ordinance, with every figure quoting its source. Check a specific address to see how these rules apply to a real lot.

Free · Every figure cited · Read from the current code (2026-10-03)

R3A dimensional standards.

These are the letter-of-the-law limits for the base R3A district. Overlays (historic, neighborhood plan, and similar) can tighten them; a specific address check resolves the overlays that actually apply.

Front setback

15 ft

Required space from the front line. The code sets this by what you build, not one number for the district.

Values, by what you build · 2
  • Table 11-3-3: Dimensional Standards for Accessory Structures in Residential Zone15 ft
    “Front 40 30 25 20 15 15 15 15”Table 11-3-3: Dimensional Standards for Accessory Structures in Residential Zones › Front › R3A column · Idaho Falls code
  • Table 11-3-3: Dimensional Standards for Accessory Structures in Residential Zone15 ft
    “Front 40 30 25 20 15 15 15 15”Table 11-3-3: Dimensional Standards for Accessory Structures in Residential Zones › Front › R3A column · Idaho Falls code

Sources

Every figure above is quoted verbatim from the current ordinance. We never substitute a typical-for-zone default: a field absent from the record shows nothing, not a guess.

Informational only — not a permit, appraisal, or professional engineering opinion. Verify with your local planning department before acting on it. See Terms and data sources.

Other Idaho Falls districts on record.

R1R3RERPR2RMHTN

Check a real Idaho Falls lot against R3A.

See how these standards resolve on a specific parcel, with the overlays that actually apply, in about 20 seconds.

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