Earthquake Retrofit

Simpson Strong-Tie A Step by Step Guide to Retrofit Your Home for Earthquakes

The above link will take you to Simson Strong-Tie Website.

Also, the City of Berkeley has  prescriptive earthquake retrofit structural details example for a 1200 square foot home.

You may search their website or try this link:

Here is a referral to a local structural engineering firm for

the East Bay or San Francisco:  SMW & Associates, Inc

KSF Structural     KSF Structural Website