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  • Listed by: 

    Janet Sylvester,

    Great Island Realty LLC 603-433-3350,

    Margaret Pesce,

    Great Island Realty LLC

    $3,450,000

    183 Portsmouth Avenue, New Castle, NH 03854

    4beds
    3,154sqft
    Single Family Residence
    Built in 1800
    0.45 Acres Lot
    $3,441,000 Zestimate®
    $1,094/sqft
    $6,335 Estimated rent

    What's special

    A tranquil sanctuary with breathtaking water views & sunsets, gardens & easy access to vibrant downtown Portsmouth. Nestled in the coveted New Castle community, this home offers an unparalleled lifestyle of peace, privacy, and comfort. Enjoy sweeping water views of the Piscataqua River and Little Harbor. The custom kitchen opens seamlessly to the spacious four-season sun room. This light-filled space, featuring coffered ceilings and radiant floors, overlooks the meticulous gardens. The inviting sunken living room provides a cozy retreat with a beautiful fireplace. The west wing of the home is a Town approved accessory dwelling unit with a living room, gas stove, kitchenette, an ensuite bedroom and a private entrance. The second floor is home to the primary bedroom, where you’ll be mesmerized by panoramic water views. Enjoy the luxury of a walk-in closet, full bath, laundry, and direct access to the “Poet’s Tower” a third-floor retreat providing magnificent vistas. The home’s impressive outdoor spaces are equally captivating. Step outside to discover manicured lawns, lush gardens, a bluestone patio, and a gas fire pit. With a two-car garage featuring epoxy floors, storage, and work area, along with thoughtful amenities like air conditioning, a generator, outdoor lighting, and an irrigation system, this home is truly a nature lover’s sanctuary. Embrace the lifestyle you deserve—privacy, stunning water views, and a peaceful, luxurious environment.

    Zillow last checked: 7 hours ago

    Listing updated: May 30, 2025 at 09:56am

    Listed by:

    Janet Sylvester,

    Great Island Realty LLC 603-433-3350,

    Margaret Pesce,

    Great Island Realty LLC

    Bought with:

    Tim Cheney

    RE/MAX Shoreline

    Source: PrimeMLS,MLS#: 5030784MLS Logo

    Facts & features

    Interior

    Bedrooms & bathrooms
    • Bedrooms: 4
    • Bathrooms: 4
    • Full bathrooms: 3
    • 1/2 bathrooms: 1
    Heating
    • Propane, Electric, Forced Air, Heat Pump, Hot Air, In Floor, Radiant, Radiant Electric, Stove - Gas, Mini Split
    Cooling
    • Central Air, Mini Split
    Appliances
    • Included: Dishwasher, Dryer, Microwave, Gas Range, Washer, Stove - Gas, Water Heater-Gas-LP/Bttle, Instant Hot Water, Tankless Water Heater
    Features
    • Cathedral Ceiling(s), Ceiling Fan(s), Dining Area, Hearth, In-Law Floorplan, Primary BR w/ BA
    • Flooring: Hardwood, Softwood, Tile
    • Windows: Skylight(s)
    • Basement: Concrete,Crawl Space,Stairs - Interior,Unfinished,Interior Access,Exterior Entry,Interior Entry
    • Number of fireplaces: 2
    • Fireplace features: Gas, Fireplaces - 2
    Interior area
    • Total structure area: 6,308
    • Total interior livable area: 3,154 sqft
    • Finished area above ground: 3,154

    Property

    Parking
    • Total spaces: 6
    • Parking features: Brick/Pavers, Paved, Auto Open, Storage Above, Parking Spaces 6+, Attached
    • Garage spaces: 2
    Features
    • Levels: Two
    • Stories: 2
    • Patio & porch: Patio, Porch - Covered
    • Exterior features: Garden Space
    • Has view: Yes
    • View description: Water
    • Water view: Water
    • Waterfront features: Island
    Lot
    • Size: 0.45 Acres
    • Features: Landscaped, Level, Secluded, Views, Near Country Club, Near Golf Course
    Details
    • Additional structures: Shed(s)
    • Parcel number: NCASM00015B000004L000000
    • Zoning description: RD RE
    • Other equipment: Air Conditioner, Irrigation Meter, Irrigation Equipment, Generator - Standby

    Construction

    Type & style
    • Home type: SingleFamily
    • Architectural style: Victorian
    • Property subtype: Single Family Residence
    Materials
    • Wood Frame, Shingle Siding
    • Foundation: Concrete, Stone
    • Roof: Shingle - Architectural
    Condition
    • New construction: No
    • Year built: 1800

    Utilities & green energy

    • Electric: 200+ Amp Service, Circuit Breakers
    • Sewer: Public Sewer
    • Utilities for property: Cable, Gas - LP/Bottle, Internet - Cable

    Community & neighborhood

    Security
    • Security features: Security System
    Location
    • Region: New Castle
    Services availability
    Sell for more on Zillow
    Get a free Zillow Showcase℠ listing and you could sell for .
    $3,441,000
    2% more+ $68,820
    With Zillow Showcase(estimated)
    $3,509,820