Windsor NH Real Estate & Homes for Sale

Windsor, NH uses ZIP code 03244. The town is in Hillsborough County, New Hampshire. The post office ZIP is shared with Hillsborough, so check the town line on any listing.

Windsor's 2025 total property tax rate is $10.54 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.

Windsor is in northwestern Hillsborough County in southern New Hampshire. It borders Washington to the northwest, Hillsborough to the east, Antrim to the south and Stoddard to the southwest. The town covers about 8.5 square miles, with Windsor Mountain, at 1,604 feet, as its highest point.

Windsor was incorporated in 1798 and named for Windsor, Connecticut, the hometown of grantee John Campbell. Before that, the land was known as Campbell's Gore, a leftover piece of territory between the surrounding towns of Hillsborough County that was later organized as its own town.

Windsor is known for its summer programs. It is the location of Windsor Mountain International, a summer adventure and travel camp founded in 1961, and of Windsor Hills Camp and Retreat Center. Windsor Mountain, the 1,604-foot summit, is the town's highest point.

Sometimes. Windsor covers only about 8.5 square miles, so homes and land are listed only occasionally. Any current Windsor listings appear on this page, alongside the live price and listing figures. Neighboring Hillsborough, Antrim, Stoddard and Washington each have their own town pages for comparison.