I recommend reviewing the 'Open Home' classified section of the Sunday newspaper for open home listings. Here are some additional resources:

Sunday Open Homes

SF Gate: Alameda County (Albany, Berkeley, Oakland, Piedmont, Emeryville…)
SF Gate: Contra Costa County (Kensington, El Cerrito, Richmond...)
Contra Costa Times
Homebuyer's Tour

Broker's Tour

The tours are pasword protected.
Please contact me for the login: Email or Voice Mail: 510.848.1950 x212.