Wedged into a rent-controlled two-bedroom apartment near San Francisco’s famed Haight-Ashbury neighborhood and already overrun by their son’s toys, Kari Droller and her husband weighed having a second child against the skyrocketing costs of a larger home nearby.
Instead, Ms. Droller, managing director of Charles Schwab Inc.’s ETF platform, put in for a transfer to Denver, joining a tide of financial professionals who are forsaking…