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🏚️ Earthquake Safety/Unreinforced Masonry

Unreinforced Masonry: Los Angeles vs South San Gabriel

How do unreinforced masonry rules compare between Los Angeles, CA and South San Gabriel, CA?

Los Angeles, CA

Los Angeles County

Heavy Restrictions

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.

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South San Gabriel, CA

Los Angeles County

No data available yet for South San Gabriel.

Key Facts Comparison

FactLos AngelesSouth San Gabriel
CodeDivision 88, LA Building Code-
Enacted1981-
Buildings Covered~8,000 pre-1933 URM-
Compliance Rate~95% by mid-1990s-
Pre-1933 CutoffOctober 6, 1933-

Highlighted rows indicate differences between cities.

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.

South San Gabriel FAQ

No FAQs available.

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