New Castle, New Hampshire

Technically an island, the tiny town of New Castle, New Hampshire is, by acreage, the smallest town in the state and the only town made up entirely of islands.  With barely over one thousand residents, the town’s population is among the smallest of the incorporated towns in NH.

New Castle was originally known as Great Island but was chartered as a parish of Portsmouth in 1679.  The island was first settled in 1623 with the erection of Fort William and Mary to protect the Portsmouth Harbor against sea borne attacks.  The town was incorporated as its own entity in1693 and was named New Castle in honor of the old fort’s castle-like appearance.  New Castle was a temporary seat of government with provincial governors gathering in the old meeting halls.  Fishing and agriculture were the primary means of support for residents throughout the years, but now New Castle is an affluent community of gorgeous homes and mansions overlooking the rocky outcrops of its Atlantic coastline.

New Castle is home to several marinas, all filled with beautiful yachts, sailboats and fishing vessels.  The Wentworth By The Sea Hotel, closed for many years and nearly demolished, offers guests a spectacular view of the ocean as it overlooks the Wentworth Marina.  Neighboring Portsmouth is the area’s cultural center with a wide variety of entertainment, sporting events, fine and casual dining and artistic vision available every day of the week.  New Castle is home to very little commercial or industrial business, preferring instead to cater to a more upscale residential need.  Unusual in any town, New Castle has the distinction of having a 0.0% poverty rate among its residents.  The luxurious gated homes and impeccably manicured properties that dot the landscape only attest to this fact.

New Castle is a part of School Administrative Unit #50.  The Maude H. Trefethen School educates children from kindergarten age up to grade six.  Grades seven and eight are tuitioned at the Portsmouth Middle School and New Castle children in grades nine through twelve attend the Portsmouth High School.  With the town’s small student population (less than one hundred children), there are no plans to build additional schools.

New Castle is a very upscale community with stunning homes and scenery to match.  If New Castle sounds like the place for you, your first move should be to contact Jim Miller Bean Group at (603) 801-3987.  We have the latest MLS for New Castle and all the other wonderful towns in the Granite State.  Call today to find out why people are moving to New Hampshire in droves.

Maude H. Trefethen School (k-7)
(603) 436-5416

Portsmouth High School (9-12)
(603) 431- 5080

Current New Castle New Hampshire Real Estate MLS Listings for Single Family Homes

New Castle NH Single Family Homes for Sale

All Listings $800,000 - $900,000 $900,000 - $1,000,000
Over $1,000,000
10 Properties Found. Page 1 of 1

Island Living At Its Best! This Prominent Home...

Photo of Listing #4777785

$2,995,000 Active

  • 4 Beds
  • 3 Baths
  • 0.49 Acres
  • 4,660 ft²

Residential

107 Piscataqua St, New Castle, New Hampshire

MLS® #4777785

Island Living At Its Best! This Prominent Home That Has Undergone Extensive Updates During The Current Owner’s Stewardship. Peaceful And Serene Surroundings Offering Breathtaking Water Views, Perfect For Relaxing Island Living. Unprecedented Blend Of Ori...

A Lovely Home With Deeded Access To New Castle ...

REDUCED 2% Photo of Listing #4779285

$2,198,000 Active

  • 3 Beds
  • 4 Baths
  • 0.3 Acres
  • 3,216 ft²

Residential

30 Beach Hill Rd, New Castle, New Hampshire

MLS® #4779285

A Lovely Home With Deeded Access To New Castle Beach And Minutes To The Wentworth By The Sea Resort/marina, Country Club And Downtown Portsmouth. Enjoy Spectacular Sunrises As Lobster Boats Motor By In The Morning And Watch Sail Boats Drift By From The Comf...

Spectacular Water Views Beckon You From All Flo...

Photo of Listing #4771594

$1,975,000 Active

  • 4 Beds
  • 4 Baths
  • 0.08 Acres
  • 2,919 ft²

Residential

56 Piscataqua St, New Castle, New Hampshire

MLS® #4771594

Spectacular Water Views Beckon You From All Floors Of This "masterpiece" Of A Home! Plus, No Lawn To Mow And Low Low Property Taxes Should Make This House #1 On Your List To Buy! Sitting In The Middle Of The Quaint Village Of New Castle, This Remodeled 1780...

"better Than New" .....smashing Custom Built Ho...

REDUCED 5% Photo of Listing #4746777

$1,895,000 Active

  • 4 Beds
  • 4 Baths
  • 0.89 Acres
  • 4,000 ft²

Residential

320 Wentworth Rd, New Castle, New Hampshire

MLS® #4746777

"better Than New" .....smashing Custom Built Home Sited High On The Hill, Back From The Road For Privacy And Peaceful Wooded Views To The Rear. Afternoon Light Floods The Wall Of Windows Allowing For Some Outstanding Sunset Views. This Special Design Has Cr...

Amazing Opportunity To Own In New Castle With W...

REDUCED 10% Photo of Listing #4763882

$1,350,000 Active

  • 4 Beds
  • 3 Baths
  • 0.46 Acres
  • 2,903 ft²

Residential

158 Portsmouth Ave, New Castle, New Hampshire

MLS® #4763882

Amazing Opportunity To Own In New Castle With Waterviews And Almost A Half An Acre Of Land. This Home Is Currently A 2 Family With Limitless Potential. Update, Renovate Or Convert To A Single Family. Newly Updated To Public Sewer. High Ceilings, Filled W...

It Is Not Because This Beautiful Antique Rambli...

REDUCED 6% Photo of Listing #4757537

$1,210,000 Active

  • 3 Beds
  • 4 Baths
  • 0.7 Acres
  • 3,348 ft²

Residential

119 Portsmouth Ave, New Castle, New Hampshire

MLS® #4757537

It Is Not Because This Beautiful Antique Rambling Cape Is Privately Nestled On The Island Community Of New Castle. And It Is Not Because The Town Offers So Many Amenities And Is So Well Managed That The Property Tax Rate Is One Of The Lowest In New Hampshir...

Built C1668, The Thomas Follansby House Is One ...

REDUCED 4% Photo of Listing #4746904

$999,000 Active

  • 3 Beds
  • 3 Baths
  • 0.15 Acres
  • 2,310 ft²

Residential

79 Main St, New Castle, New Hampshire

MLS® #4746904

Built C1668, The Thomas Follansby House Is One Of The Oldest Historic House In New Hampshire. Its Salt Box Frame With Central Chimney Is Typical Of 17th Century Early Colonial Architecture. Surprisingly Large Behind Its Low Key Façade, The Property, Entirel...

First Time This Property Is On The Market In Ge...

Photo of Listing #4779565

$998,900 Active

  • 3 Beds
  • 2 Baths
  • 0.17 Acres
  • 1,717 ft²

Residential

40 Riverview Rd, New Castle, New Hampshire

MLS® #4779565

First Time This Property Is On The Market In Generations! Inviting Cape On A Desirable Dead End Street In New Castle; This Home Was Rebuilt From The Studs In 2011. The Gourmet Kitchen And Stainless Steel Appliances Are A Chef''s Delight While Guests Enjoy...

Beautiful Three Bedroom, Three Bath Home With P...

Photo of Listing #4779177

$929,900 Active

  • 3 Beds
  • 3 Baths
  • 0.23 Acres
  • 3,276 ft²

Residential

65 Portsmouth Ave, New Castle, New Hampshire

MLS® #4779177

Beautiful Three Bedroom, Three Bath Home With Partial Views Of The Water, Located In The New Castle, Nh. This Home Was Built In 2011 By The Current Owners And Was Made For Entertaining. It Has A Large Private Wrap Around Deck And A Lower Level Bonus Room ...

Wonderful Opportunity To Own On A Dead End Stre...

REDUCED 6% Photo of Listing #4776324

$849,900 Active

  • 3 Beds
  • 2 Baths
  • 0.28 Acres
  • 1,979 ft²

Residential

27 Riverview Rd, New Castle, New Hampshire

MLS® #4776324

Wonderful Opportunity To Own On A Dead End Street In New Castle. This Home Has Been Well Maintained And Features The Option Of First Floor Living. Sip Coffee On Your Deck With The Welcoming Smell Of The Ocean. Enjoy The Close Proximity To Downtown Portsmout...

 

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Listing information last updated on October 18th, 2019 at 1:07pm EDT.