Visit these resources these freely available resources cited on UCLA's Researching Los Angeles Guide
- Los Angeles Conservancy
The Los Angeles Conservancy is a nonprofit membership organization that works through education and advocacy to recognize, preserve, and revitalize the historic architectural and cultural resources of Los Angeles County. The organization's website catalogs more than 600 historic places in LA.
- Los Angeles Conservancy Historical Research Guide
A comprehensive guide to researching historic properties in Los Angeles.
- History of Your House
A research guide from the Los Angeles Public Library.
- Historic Los Angeles Directories
Digitized directories from the Los Angeles Public Library; intermittent coverage from 1873 to 1987.
- Pacific Coast Architecture Database (PCAD)
PCAD contains information regarding the buildings and designers of California, Oregon, and Washington. Building records contain information about their creators (when possible) and includes historical and geographic information in addition to images when available.