Real Estate

http://sf.curbed.com/
http://www.zillow.com/
http://www.mortgage-calc.com/

Community

City of San Francisco
http://www.ci.sf.ca.us/

San Francisco School System
www.sfusd.edu/index1.html

San Francisco Public Library
Sfpl.lib.ca.us

Craigslist
http://www.craigslist.org

Chowhound
http://www.chowhound.com

San Francisco Ferry Plaza
http://www.ferrybuildingmarketplace.com

Alameda Flea Market
http://www.antiquesbybay.com

Newspapers

The San Francisco Chronicle and Examiner
http://www.sfgate.com/

The San Jose Mercury News (covers San Jose and Silicon Valley)
http://www.sjmercury.com/

The Bay Insider (Bay Area news)
www.bayinsider.com/index.html

Relocation information

Compare costs, taxes, etc.
verticals.yahoo.com/cities

Today's real estate news
www.inman.com/inf/homeseekers

Weather

Weather.com
http://xwww.weather.com/weather/cities/us_ca_san_francisco.htmlxxxx

Concierge services

San Francisco hotel reservations
http://www.1-san-francisco-hotel-reservations.com/

Zagat San Francisco
www.zagat.com/index.asp?VID=1&PID=0&LID=30&redirect=yes

The Restaurant Report
www.restaurantreport.com/BestofBest/sanfran/index.html

10 Most popular sights
gocalifornia.about.com/cs/sanfrancisco/a/sfbest.htm

Bay Area camping and hiking
www.hknot.com/bab/bab.html