Mason NH Real Estate & Homes for Sale

Mason, NH uses ZIP code 03048. The town is in Hillsborough County, New Hampshire. The post office ZIP is shared with Greenville, so check the town line on any listing.

Mason's 2025 total property tax rate is $25.05 per $1,000 of assessed value (municipal, county, local and state education combined), per the New Hampshire Department of Revenue Administration. Village or water districts can add to it, and the bill depends on the assessed value, not the sale price.

Mason is in southern Hillsborough County, directly north of the Massachusetts border, with its town center about three miles from the state line. It borders Wilton to the north, Milford to the northeast, Brookline to the east, Townsend and Ashby, Massachusetts, to the south, and New Ipswich and Greenville to the west. NH Routes 31, 123 and 124 serve the town.

Mason is known as the boyhood home of Samuel Wilson, the meat supplier believed to have inspired the Uncle Sam character, whose house is marked by a state historical marker. It is also home to Pickity Place, the 1759 cottage that inspired the grandmother's house in a 1948 Little Red Riding Hood, and Andy's Summer Playhouse, a youth theater founded in town.

Mason began as Number One, the easternmost of a line of border towns laid out after the New Hampshire and Massachusetts boundary was fixed in 1739. It was chartered in 1749, and in 1768 Governor John Wentworth named it for Captain John Mason, who held the patent to the land that became New Hampshire. Greenville was later set off from Mason in 1872.

Mason is a rural, wooded town of about 24 square miles, so homes are spread along roads that meet at the town center and along Routes 31, 123 and 124. Elementary students attend school in town, and middle and high school students are tuitioned to Milford. Any current listings in town, with prices and the tax rate, appear on this page.