Mason County sits at the southern end of Hood Canal and Puget Sound, with Shelton as its main city and Belfair and Allyn among its waterfront communities. Use the search to browse every active listing, or pick a city on the right to narrow it down.
$456KMedian single-family sale price, about the 12 months through May 2026
54 daysAverage time on market for residential homes, August 2026
770Single-family homes sold in Mason County, about the 12 months through May 2026
Mason is mostly a single-family market, with many waterfront and rural properties. Northwest MLS shows about 434 residential and condo listings active in August 2026, up about 9% from a year earlier. Sellers should price against their own community, since Shelton, Belfair and Allyn trade in different ranges.
Source: Redfin Data Center, Mason County, about the 12 months through May 2026; Northwest MLS, Mason County, August 2026.
