112 New Castle Avenue, Portsmouth, NH 03801

Portsmouth
Local realty services provided by:ERA Key Realty Services
112 New Castle Avenue,Portsmouth, NH 03801
$1,599,000
  • 3 Beds
  • 3 Baths
  • 1,659 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Jun 27
    10:00 am - 01:00 pm
Listed by: sue salehkhou
Office: great island realty llc.603-433-3350
MLS#:5096632
Source:PrimeMLS

Price summary

  • Price:$1,599,000
  • Price per sq. ft.:$686.56

About this home

Timeless New England architecture meets sophisticated modern design in this beautifully restored antique Little Harbor residence on highly sought-after New Castle Avenue in Portsmouth. Completely renovated from top to bottom, this exceptional 3-bedroom, 2.5-bath home offers thoughtfully designed living space with premium finishes throughout. The heart of the home is a stunning custom kitchen featuring beautiful cabinetry, quartz countertops and island with plenty of guest seating, and stainless appliances to include the induction range. The main level offers a welcoming front foyer with antique hall tree, an inviting living room complete with gas fireplace, a spacious dining room, and the sun filled family room overlooking the well landscaped backyard as well as a separate laundry room and guest bathroom. Upstairs offers the main bedroom with its own private bathroom with custom tiled shower, 2 additional guest bedrooms and a fully renovated guest bathroom complete with custom tub and...

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Home facts

  • Year built:1860
  • Listing ID #:5096632
  • Added:1 day(s) ago
  • Updated:June 26, 2026 at 04:53 AM

Rooms and interior

  • Bedrooms:3
  • Total bathrooms:3
  • Full bathrooms:1
  • Rooms Total:7
  • Flooring:Tile, Wood
  • Kitchen Description:Dishwasher, Microwave, Refrigerator
  • Basement Description:Bulkhead, Interior, Unfinished
  • Living area:1,659 sq. ft.

Heating and cooling

  • Cooling:Mini Split
  • Heating:Electric, Heat Pump, Mini Split

Structure and exterior

  • Year built:1860
  • Building area:1,659 sq. ft.
  • Lot area:0.13 Acres
  • Levels:2 Story

Schools

  • High school:Portsmouth High School
  • Middle school:Portsmouth Middle School
  • Elementary school:Little Harbor School

Utilities

  • Sewer:Public Available

Finances and disclosures

  • Price:$1,599,000
  • Price per sq. ft.:$686.56
  • Tax amount:$14,996 (2025)

Features and amenities

  • Appliances:Refrigerator, Washer
  • Laundry features:Dryer, Washer
  • Amenities:Circuit Breaker(s)

Parking

  • Parking description:Paved Driveway
MLS LogoCopyright 2026 Prime MLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of Prime MLS. The information being provided is for consumers’ personal, noncommercial 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 26, 2026

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