Door Locking Hardware: Ontario vs Rancho Cucamonga
How do door locking hardware rules compare between Ontario, CA and Rancho Cucamonga, CA?
Ontario and Rancho Cucamonga have similar restriction levels.
Ontario, CA
San Bernardino County
San Bernardino County enforces California Building Code rules requiring egress doors to unlock with a single motion from the inside. Deadbolts must release with the same handle action, and key-operated locks are restricted to specific Group A, B, M, and E uses.
View full Ontario rules →Rancho Cucamonga, CA
San Bernardino County
San Bernardino County enforces California Building Code rules requiring egress doors to unlock with a single motion from the inside. Deadbolts must release with the same handle action, and key-operated locks are restricted to specific Group A, B, M, and E uses.
View full Rancho Cucamonga rules →Key Facts Comparison
| Fact | Ontario | Rancho Cucamonga |
|---|---|---|
| Code basis | CBC 1010.1.9; CRC R311 | CBC 1010.1.9; CRC R311 |
| Rule | Single motion to exit | Single motion to exit |
| Banned | Double-cylinder deadbolt | Double-cylinder deadbolt |
| Panic | Required Group A/E | Required Group A/E |
Highlighted rows indicate differences between cities.
Ontario FAQ
Can I use a chain lock at home?
Chain locks and surface bolts that need separate operation can fail egress rules. Use a single deadbolt-and-knob combination operable in one motion.
Do bedrooms need special locks?
Bedroom doors must be unlockable from outside with a tool in emergencies but should still allow simple egress from inside. Privacy locks meeting these rules are allowed.
Rancho Cucamonga FAQ
Can I use a chain lock at home?
Chain locks and surface bolts that need separate operation can fail egress rules. Use a single deadbolt-and-knob combination operable in one motion.
Do bedrooms need special locks?
Bedroom doors must be unlockable from outside with a tool in emergencies but should still allow simple egress from inside. Privacy locks meeting these rules are allowed.
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See how Ontario and Rancho Cucamonga compare on other ordinance categories.
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