- 4 bd
- 1 ba
- 1,950 sqft

The average Sullivan County, NH home value is $384,641, up 3.9% over the past year, and homes go to pending in around 17 days. (Updated on )
Zillow Home Value Index (ZHVI), built from the ground up by measuring monthly changes in property level Zestimates, captures both the level and home values across a wide variety of geographies and housing types.
Typical Home Values: $384,641
1-Year Value Change: +3.9%
(Data through September 30, 2026)
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The median home value in Sullivan County, NH is $384,641 as of September 2026. This represents a 0.0% increase compared to last month and a 3.9% increase year-over-year.
The median home value in Sullivan County, NH ($384,641) compares to New Hampshire ($510,937) and the U.S. national median ($366,157).
The cities with the highest median home values in Sullivan County, NH include: Sunapee ($683,758), Plainfield ($529,344), Grantham ($502,863), Springfield ($489,666), Cornish ($451,973). These cities represent the most expensive areas within the county.