The historic Mason County Courthouse, located at 419 North 4th Street in <a href="https://en.wikipedia.org/wiki/Shelton,_Washington" class="extiw" title="en:Shelton, Washington">Shelton</a>, <a href="https://en.wikipedia.org/wiki/Washington_(state)" class="extiw" title="en:Washington (state)">Washington</a>, <a href="https://en.wikipedia.org/wiki/United_States" class="extiw" title="en:United States">United States</a>, is listed on the US <a href="https://en.wikipedia.org/wiki/National_Register_of_Historic_Places" class="extiw" title="en:National Register of Historic Places">National Register of Historic Places</a>.
<a href="//commons.wikimedia.org/wiki/User:Ipoellet" title="User:Ipoellet">Ian Poellet</a>
CC BY-SA 3.0
<span class="int-own-work" lang="en">Own work</span>