Have a look at these housing market stats for King County for January 2018, compared to January 2017.
The median residential house price has increased by 100K compared to Jan. 2017. Condo values are up compared to last year by 15.6%. Smart buyers will engage a realtor now and purchase around these median prices in both established and up-and-coming areas. It is always good to buy during the rainy season in Seattle. Spring will bring more competition on the buyer side. If you are a seller, start ticking off items on your punch list NOW and aim for market in the spring through early fall.