112 New Castle AvenuePortsmouth, NH 03801MLS Number 5096632

  • Price: $1,599,000
  • Est. Mortgage of $/month
  • 1 Day on Market
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$
%
$/month over payments
Federal 30-year interest rate: 6.47% last updated on Jun 18, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
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Open House
112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801112 New Castle Avenue Portsmouth NH 03801
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  • 3Bedrooms
  • 0.13Acreage
  • 3Bathrooms
  • 1860Year Built

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Listed by Sue Salehkhou of Great Island Realty LLC
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 shower and double sinks. Every major system has been upgraded, providing peace of mind for years to come, including all-new electrical, plumbing, HVAC, and a new roof. Outside, enjoy the well landscaped backyard with a brick patio area perfect for relaxing or entertaining family and friends. Ideally located just minutes from downtown Portsmouth's vibrant restaurants, boutiques, waterfront, and cultural attractions, this turnkey property offers the rare opportunity to own a fully renovated antique home in one of the Seacoast's most desirable locations. Historic charm, exceptional craftsmanship, and modern luxury come together in this truly special offering. Open House Saturday June 27 from 10am-1pm.

Open Houses

June 27th
Starts: 10:00am
Ends: 1:00pm

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More Info

Tax Information

  • Tax Year2025

Location

  • Building Number112
  • StreetNew Castle Avenue
  • TownPortsmouth
  • StateNH
  • Zip03801
  • CountyRockingham
  • DistrictPortsmouth
  • Elementary SchoolLittle Harbor School
  • Junior HighPortsmouth Middle School
  • High SchoolPortsmouth High School
  • Map101
  • Flood Zone Y/NNo
  • Address112 New Castle Avenue

Interior

  • Interior FeaturesGas Fireplace, Kitchen Island, Skylight,1st Floor Laundry
  • Room 1 TypeLiving Room
  • Room 1 Level1
  • Room 1 Dimensions13 x 20
  • FloorsTile, Wood
  • Room 2 TypeDining Room
  • Room 2 Level1
  • Room 2 Dimensions12 x 15
  • Room 3 TypeKitchen
  • Room 3 Level1
  • Room 3 Dimensions12 x 13
  • Room 4 TypeSunroom
  • Room 4 Level1
  • Room 4 Dimensions12 x 16
  • Room 5 TypeBathroom Half
  • Room 5 Level1
  • Stories2
  • Room 6 TypeLaundry Room
  • Room 6 Level1
  • Room 7 TypePrimary BR Suite
  • Room 7 Level2
  • Room 7 Dimensions10.5 x 12
  • Room 8 TypeBedroom
  • Room 8 Level2
  • Room 8 Dimensions10 x 14.5
  • Room 9 TypeBedroom
  • Room 9 Level2
  • Room 9 Dimensions9 x 12
  • Room 10 TypeBathroom Full
  • Room 10 Level2

Parking

  • Parking Spaces
  • GarageNo
  • Parking DescriptionDriveway, Paved

Building

  • Year Built1860
  • Building ConstructionWood Exterior
  • ConstructionExisting
  • Property StyleAntique, New Englander
  • Bedrooms3
  • Bathroom3
  • Total Baths3
  • 3/4 Baths1
  • Half Bath1
  • Total Rooms7
  • Square Feet1,659
  • APX Unfin Below Grade670
  • BasementBulkhead, Unfinished, Basement Stairs
  • FoundationBrick, Concrete, Stone

Utilities

  • Heat SystemElectric, Heat Pump, Mini Split
  • WaterPublic
  • SewerPublic
  • Electric200+ Amp Service, Circuit Breaker(s)
  • UtilitiesGas On-Site

Other

  • SeasonalNo
  • Page1520
  • Date Listed06/25/2026

Rooms

  • Full Bath1

Basic Information

  • MLS Number5096632
  • MLS StatusActive
  • StatusACT
  • Property TypeSingle Family
  • List Price$1,599,000
  • Listing Agent NameSue Salehkhou
  • Broker NameGreat Island Realty LLC

Property

  • Acreage0.13
  • Lot DescriptionLandscaped, Level, Water View, In Town, Near Shopping, Near School(s)
  • AreaNH-Rockingham
  • Lot28
  • DrivewayPaved
  • RoadsPublic

Exterior

  • Exterior FeaturesGarden Space, Patio
  • RoofArchitectural Shingle

Amenities

  • AmenitiesIrrigation System
  • PricePerSqFt963.83

Your Local Office

Lake Farm Realty

Lake Farm Realty

164 Main Street,
PO Box 265,
Andover, NH 03216
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