Certain prepositions (after, as, before, since, until) serve as subordinating conjunctions when they're followed by a clause: 1  You better get out of town before sundown. (Before is used as a preposition.) 2  Many people run out of ideas long before they run out of words. (Before is used as a conjunction.)
Sponsored Topics. Foster City is an affluent planned city located in San Mateo County, California, 94404. As of the 2010 census, the city had a total population of 30,567. Forbes ranked Foster City #10 on their 2009 list of America's Top 25 Towns to Live Well.
(Although Denny's and BJ's are technically over the line into San Mateo, I believe.) I have found that people who like living in San Francisco typically don't like living in Foster City (and vice versa). Foster City is one of the safest cities in the US, and it has very low crime in general.