For a couple of years now, experts predicted that office sales in San Francisco would slow down because so many buildings had traded hands and prices were soaring.
Some investors, however, seemed undaunted by those concerns and instead continued plunking down big sums to grab a piece of the city’s coveted office market.
Even so, investors did spend less in 2018 — about $2.57 billion total, according to commercial brokerage firm CBRE. That is a 32 percent drop compared with 2017’s sales volume…