Portsmouth, NH
New Castle, NH

Open Houses in Portsmouth & New Castle NH

14Results

Explore current open houses in Portsmouth and New Castle, New Hampshire. Get in touch with Great Island Realty to schedule your showing or learn more. Register today to save your favorites and stay in the know about similar properties.

Newest
Open House
150 Us Rt 1 Bypass Portsmouth NH 03801

$648,000

Portsmouth, NH

150 Us Rt 1 Bypass, Unit 206

NEXT OPEN HOUSE:

Sat 6/6 11:00 AM to 1:00 PM

  • 2 Beds
  • 2 Baths
  • 1,410 SqFt
  • 0 Days on Market
MLS#: 5091979
Open House

$599,900

Portsmouth, NH

80 Constitution Avenue, Unit 212

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 2 Beds
  • 2 Baths
  • 974 SqFt
  • 24 Days on Market
MLS#: 5087709
Open House

$959,900

Portsmouth, NH

27 Eden Lane, Unit 4

NEXT OPEN HOUSE:

Sat 6/6 11:00 AM to 2:00 PM

  • 3 Beds
  • 3 Baths
  • 1,990 SqFt
  • 31 Days on Market
MLS#: 5086442
Open House

$469,900

Portsmouth, NH

80 Constitution Avenue, Unit 320

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 1 Bed
  • 1 Bath
  • 722 SqFt
  • 31 Days on Market
MLS#: 5086388
Open House

$949,900

Portsmouth, NH

31 Eden Lane, Unit 5

NEXT OPEN HOUSE:

Sat 6/6 11:00 AM to 2:00 PM

  • 3 Beds
  • 3 Baths
  • 1,990 SqFt
  • 32 Days on Market
MLS#: 5086141
Open House

$825,000

Portsmouth, NH

994 South Street, Unit 2

NEXT OPEN HOUSE:

Sat 6/6 11:00 AM to 12:30 PM

  • 3 Beds
  • 2 Baths
  • 1,612 SqFt
  • 39 Days on Market
MLS#: 5085154
Open House

$749,900

Portsmouth, NH

80 Constitution Avenue, Unit 302

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 2 Beds
  • 2 Baths
  • 974 SqFt
  • 52 Days on Market
MLS#: 5083048
Open House

$649,900

Portsmouth, NH

80 Constitution Avenue, Unit 203

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 2 Beds
  • 2 Baths
  • 1,000 SqFt
  • 54 Days on Market
MLS#: 5082513
Open House

$434,900

Portsmouth, NH

80 Constitution Avenue, Unit 221

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 1 Bed
  • 1 Bath
  • 722 SqFt
  • 54 Days on Market
MLS#: 5082512
Open House

$579,900

Portsmouth, NH

80 Constitution Avenue, Unit 211

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 2 Beds
  • 2 Baths
  • 974 SqFt
  • 60 Days on Market
MLS#: 5081823
Open House

$539,900

Portsmouth, NH

80 Constitution Avenue, Unit 307

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 1 Bed
  • 1 Bath
  • 833 SqFt
  • 60 Days on Market
MLS#: 5081801
Open House

$444,900

Portsmouth, NH

80 Constitution Avenue, Unit 321

NEXT OPEN HOUSE:

Mon 6/1 11:00 AM to 3:00 PM

  • 1 Bed
  • 1 Bath
  • 722 SqFt
  • 60 Days on Market
MLS#: 5081750
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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 June 1, 2026 3:24 PM EDT