Unreinforced Masonry: Castaic vs Los Angeles
How do unreinforced masonry rules compare between Castaic, CA and Los Angeles, CA?
Castaic, CA
Los Angeles County
No data available yet for Castaic.
Los Angeles, CA
Los Angeles County
LA's Division 88 ordinance (1981) was one of the first mandatory URM retrofit programs in the U.S., targeting approximately 8,000 unreinforced masonry bearing wall buildings constructed before October 6, 1933. Owners were required to retrofit, vacate, or demolish. By the mid-1990s roughly 95% of covered buildings had been brought into compliance. Remaining non-compliant buildings face Orders to Vacate or demolition.
View full Los Angeles rules →Key Facts Comparison
| Fact | Castaic | Los Angeles |
|---|---|---|
| Code | - | Division 88, LA Building Code |
| Enacted | - | 1981 |
| Buildings Covered | - | ~8,000 pre-1933 URM |
| Compliance Rate | - | ~95% by mid-1990s |
| Pre-1933 Cutoff | - | October 6, 1933 |
Highlighted rows indicate differences between cities.
Castaic FAQ
No FAQs available.
Los Angeles FAQ
What is a Division 88 building in Los Angeles?
A Division 88 building is an unreinforced masonry bearing wall building constructed before October 6, 1933. About 8,000 such buildings were identified under LA's 1981 retrofit ordinance. Owners had to retrofit, vacate, or demolish.
Are there still non-compliant URM buildings in LA?
A small percentage remain. LADBS continues enforcement against non-compliant URM buildings, which may face Orders to Vacate or demolition proceedings. About 95% had been brought into compliance by the mid-1990s.
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