Door Locking Hardware: Dearborn vs Detroit
How do door locking hardware rules compare between Dearborn, MI and Detroit, MI?
Dearborn and Detroit have similar restriction levels.
Dearborn, MI
Wayne County
Michigan Building Code Section 1010 prohibits keyed locks on required egress doors in assembly, business, and educational occupancies. Panic hardware mandatory for occupancies over 50 people.
View full Dearborn rules →Detroit, MI
Wayne County
Michigan Building Code Section 1010 prohibits keyed locks on required egress doors in assembly, business, and educational occupancies. Panic hardware mandatory for occupancies over 50 people.
View full Detroit rules →Key Facts Comparison
| Fact | Dearborn | Detroit |
|---|---|---|
| Code section | IBC 1010 | IBC 1010 |
| Panic hardware | 50+ occupants | 50+ occupants |
| Single-family | Exempt | Exempt |
| Statute | MCL 29.5b | MCL 29.5b |
Highlighted rows indicate differences between cities.
Dearborn FAQ
Can I lock my business front door from inside during work?
Only with single-action thumb-turn or push-bar hardware allowing immediate exit without keys. Deadbolts requiring keys from inside violate egress code in occupied businesses.
What about apartment building exit doors?
Stairwell and corridor doors must allow free egress to the exterior. Re-entry requires keys per IBC 1010.1.9, but unlocking from the egress side must be tool-free.
Detroit FAQ
Can I lock my business front door from inside during work?
Only with single-action thumb-turn or push-bar hardware allowing immediate exit without keys. Deadbolts requiring keys from inside violate egress code in occupied businesses.
What about apartment building exit doors?
Stairwell and corridor doors must allow free egress to the exterior. Re-entry requires keys per IBC 1010.1.9, but unlocking from the egress side must be tool-free.
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