Sullivan
New Hampshire

Houses for Sale in Sullivan County, NH

165Results

Single-family houses in Sullivan County are a frequent search on our site. See Claremont homes, create a free account to save this search and receive alerts, or call LindeMac Real Estate at 603-643-4900 to speak with an agent.

Newest
New Listing
215 Maple Avenue Claremont NH 03743

$280,000

Claremont, NH

215 Maple Avenue

  • 4 Beds
  • 3 Baths
  • 0.11 Acres
  • 1,701 SqFt
  • 1 Day on Market
MLS#: 5116762
Open House

$299,990

Claremont, NH

322 Twistback Road

NEXT OPEN HOUSE:

Sat 11/7 10:00 AM to 12:00 PM

  • 2 Beds
  • 2 Baths
  • 0.34 Acres
  • 2,020 SqFt
  • 2 Days on Market
MLS#: 5116628
Open House

$340,000

Claremont, NH

1 Marquis Avenue

NEXT OPEN HOUSE:

Sat 11/7 1:00 PM to 3:00 PM

  • 3 Beds
  • 2 Baths
  • 0.23 Acres
  • 1,824 SqFt
  • 3 Days on Market
MLS#: 5116502
New Listing

$374,900

Claremont, NH

6 Juniper Hill

  • 2 Beds
  • 2 Baths
  • 0.31 Acres
  • 1,940 SqFt
  • 5 Days on Market
MLS#: 5116451
New Listing

$615,000

Grantham, NH

45 Greensward Drive

  • 3 Beds
  • 3 Baths
  • 0.61 Acres
  • 2,107 SqFt
  • 6 Days on Market
MLS#: 5116380
New Listing

$349,000

Sunapee, NH

598 Route 103

  • 2 Beds
  • 1 Bath
  • 0.64 Acres
  • 1,100 SqFt
  • 7 Days on Market
MLS#: 5116152
New Listing

$199,900

Claremont, NH

10 Bailey Avenue

  • 3 Beds
  • 2 Baths
  • 0.16 Acres
  • 2,586 SqFt
  • 8 Days on Market
MLS#: 5116046
New Listing

$339,000

Charlestown, NH

115 Judland Heights

  • 2 Beds
  • 2 Baths
  • 1.54 Acre
  • 1,660 SqFt
  • 9 Days on Market
MLS#: 5115896
New Listing

$450,000

Grantham, NH

16 Hummingbird Hill

  • 3 Beds
  • 2 Baths
  • 0.5 Acres
  • 1,464 SqFt
  • 9 Days on Market
MLS#: 5115854
New Listing

$867,000

Grantham, NH

1076 Olde Farms Road

  • 4 Beds
  • 4 Baths
  • 7.14 Acres
  • 4,470 SqFt
  • 10 Days on Market
MLS#: 5115673
New Listing

$475,000

Charlestown, NH

Lot 4 Blackberry Lane

  • 3 Beds
  • 3 Baths
  • 0.43 Acres
  • 1,297 SqFt
  • 10 Days on Market
MLS#: 5115667
New Listing

$349,900

Claremont, NH

20 Bay Street

  • 2 Beds
  • 2 Baths
  • 0.17 Acres
  • 2,058 SqFt
  • 14 Days on Market
MLS#: 5115395

Sullivan County, New Hampshire Single-Family Homes

Sullivan County sits in western New Hampshire along the Connecticut River, south of the Upper Valley. Claremont is its largest city and Newport is its county seat. Cornish and Plainfield line the river. Houses listed here include older homes in Claremont and Newport along with farmhouses and capes on country roads. This search shows every single-family house listed for sale in Sullivan County. LindeMac Real Estate can help you compare towns and properties. See Newport houses or browse Newport land.

Frequently Asked Questions

What kinds of houses are for sale in Sullivan County?
Listings include older homes in Claremont and Newport along with farmhouses and capes on country roads.
How do I get alerts for new Sullivan County houses?
Create a free account to save this search and get email alerts when new houses in Sullivan County are listed.
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Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated November 5, 2026 7:08 AM EST