The best time in the last 2 years to "wait" would have been Mar/Apr 2017 when median price was $884k and then buying in Mar/Apr 2018 a year later when the median was $820k... a 7.2% savings.
The first part tracked closely with our experience in the Bay area - early 2017 saw a lull, and we grabbed an insane value in March 2017. A year later however prices had risen 20-30%+
