Sullivan County lies along the Connecticut River in western New Hampshire, taking in Claremont and Newport, the southern Upper Valley towns of Charlestown and Cornish, and the Lake Sunapee area towns to the east. Search homes for sale across the county and connect with a Bean Group agent.

Sullivan County single-family market — August 2026

Year-over-year change in parentheses.

Median sale price: $473,750 (+14.2%)
Closed sales: 52 (+6.1%)
Days on market: 20 (−28.6%)
Sales volume: $31.2M (+21.4%)

New Hampshire REALTORS® data for August 2026. Read the full August 2026 market report.

Compare local markets

In-town housing in Claremont and Newport, river-valley towns and the Sunapee-area towns are distinct markets. Proximity to the lake, to the Upper Valley or to a village center changes what a property offers.

Before you buy

Housing ranges from period and mill-era homes and multi-family buildings to condominiums, seasonal properties and homes with acreage. Private roads, wells, septic systems and heating systems are common practical considerations outside the village centers.

Preparing to sell

If you are selling, preparation and pricing follow the local market rather than a county average. A Bean Group agent can walk through comparable sales for your specific town before you list.

Let’s talk about your next move.

Buying in Sullivan County? We can help you compare towns and homes. Selling? Ask for a local pricing and preparation plan.

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Connect with our Sullivan County team

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Sullivan County, NH homes for sale

Find your home in Sullivan County

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Explore Sullivan County towns

Claremont

Newport

Sunapee

Charlestown

Grantham

Plainfield

Acworth

Cornish

Croydon

Goshen

Langdon

Lempster

Springfield

Unity

Washington

What to know about the Sullivan County market