Update 7/9/19: According to reddit user sei-i-taishogun these lounges are now open.
As reported by The Sacramento Bee the Sacramento International Airport (SMF) will be getting two new Escape lounges in Spring. There will be one Escape lounge in each terminal. American Express Platinum cardholders are able to access Escape lounges in the United States for free, it isn’t clear what the single use price will be but at other Escape lounges it’s $40+. Work will begin sometime in February and is expected to be completed within three months.
Hat tip to sei-i-taishogun