CodeMandatory
One front-egress door
LS-FRONTDOOR-01Description
The dwelling must have at least one egress door that opens to a public way without traveling through a garage. Minimum clear width 32 inches, height 78 inches.
Why this exists
The dwelling needs exactly one primary egress door with a clear width that an adult can pass through under stress.
Categories
Life safetyEgressCirculation
Source
ICCno manifest entry
International Residential Code (2024)
Section: R311.2
Published 2026-05-09 · last verified 2026-05-09
Solver enforcement
The constraint solver runs check function ls-frontdoor-01 as a hard constraint — layouts that fail are rejected outright.
Related directives
- Garage / dwelling fire separation · IRC R302.6
- Habitable space minimum ceiling height · IRC R305.1
- Egress window net opening dimensions · IRC R310.2
- Stair riser, tread, and headroom · IRC R311.7
- Smoke alarms required throughout dwelling · IRC R314
Last reviewed 2026-05-09.