Master Source is a local Specialized Legal Services business based in Seattle, WA.
This phone number has been independently verified as the best phone number by GetHuman users in Seattle and around King County who called the phone number and gave us feedback. This month, 25 customers have verified this phone number.
Customers report that this number goes to voicemail 22% of the time.
There are 55 other Specialized Legal Services businesses in King, WA: