183 Portsmouth Ave New Castle, NH 03854
New Castle Island Neighborhood
4
Beds
3.5
Baths
3,154
Sq Ft
0.45
Acres
Highlights
- Water Views
- Heated Floors
- Cathedral Ceiling
- Maude H. Trefethen School Rated A+
- Secluded Lot
- Victorian Architecture
About This Home
As of May 2025A 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.
Last Agent to Sell the Property
Great Island Realty LLC License #061241 Listed on: 03/03/2025
Home Details
Home Type
- Single Family
Est. Annual Taxes
- $10,804
Year Built
- Built in 1800
Lot Details
- 0.45 Acre Lot
- Secluded Lot
- Level Lot
- Irrigation Equipment
- Garden
- Property is zoned RD RE
Parking
- 2 Car Attached Garage
- Parking Storage or Cabinetry
- Automatic Garage Door Opener
- Brick Driveway
Home Design
- Victorian Architecture
- Concrete Foundation
- Stone Foundation
- Wood Frame Construction
- Architectural Shingle Roof
- Shingle Siding
Interior Spaces
- Property has 2 Levels
- Cathedral Ceiling
- Ceiling Fan
- Skylights
- Gas Fireplace
- Family Room
- Dining Room
- Den
- Bonus Room
- Sun or Florida Room
- Water Views
- Basement
- Interior Basement Entry
- Home Security System
Kitchen
- Breakfast Area or Nook
- Stove
- Gas Range
- Microwave
- Dishwasher
Flooring
- Softwood
- Heated Floors
- Tile
Bedrooms and Bathrooms
- 4 Bedrooms
- En-Suite Bathroom
- In-Law or Guest Suite
Laundry
- Dryer
- Washer
Accessible Home Design
- Standby Generator
Outdoor Features
- Covered Patio or Porch
- Shed
Schools
- Maude H. Trefethen Elementary School
- Rye Junior High School
- Portsmouth High School
Utilities
- Forced Air Heating and Cooling System
- Mini Split Air Conditioners
- Heat Pump System
- Mini Split Heat Pump
- Radiant Heating System
- Propane
- Internet Available
- Cable TV Available
Listing and Financial Details
- Tax Lot 4
- Assessor Parcel Number 15
Similar Homes in New Castle, NH
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Home Values in the Area
Average Home Value in this Area
Property History
| Date | Event | Price | Change | Sq Ft Price |
|---|---|---|---|---|
| 05/30/2025 05/30/25 | Sold | $3,450,000 | -9.1% | $1,094 / Sq Ft |
| 04/30/2025 04/30/25 | Pending | -- | -- | -- |
| 04/12/2025 04/12/25 | Off Market | $3,795,000 | -- | -- |
| 04/09/2025 04/09/25 | Pending | -- | -- | -- |
| 03/24/2025 03/24/25 | For Sale | $3,795,000 | 0.0% | $1,203 / Sq Ft |
| 03/11/2025 03/11/25 | Off Market | $3,795,000 | -- | -- |
| 03/10/2025 03/10/25 | For Sale | $3,795,000 | 0.0% | $1,203 / Sq Ft |
| 03/06/2025 03/06/25 | Off Market | $3,795,000 | -- | -- |
| 03/03/2025 03/03/25 | For Sale | $3,795,000 | +21.4% | $1,203 / Sq Ft |
| 11/07/2023 11/07/23 | Sold | $3,125,000 | -3.8% | $991 / Sq Ft |
| 09/22/2023 09/22/23 | Pending | -- | -- | -- |
| 09/11/2023 09/11/23 | For Sale | $3,250,000 | +8.3% | $1,030 / Sq Ft |
| 06/20/2022 06/20/22 | Sold | $3,000,000 | -6.3% | $998 / Sq Ft |
| 05/12/2022 05/12/22 | Pending | -- | -- | -- |
| 02/18/2022 02/18/22 | For Sale | $3,200,000 | +88.2% | $1,065 / Sq Ft |
| 07/17/2015 07/17/15 | Sold | $1,700,000 | -8.1% | $637 / Sq Ft |
| 05/26/2015 05/26/15 | Pending | -- | -- | -- |
| 05/21/2015 05/21/15 | For Sale | $1,850,000 | -- | $693 / Sq Ft |
Source: PrimeMLS
Tax History Compared to Growth
Agents Affiliated with this Home
-
Janet Sylvester
Seller's Agent in 2025
Janet Sylvester
Great Island Realty LLC
(603) 234-9869
17 in this area
88 Total Sales
-
Margaret Pesce
Seller Co-Listing Agent in 2025
Margaret Pesce
Great Island Realty LLC
(603) 340-1042
23 in this area
66 Total Sales
-
Timothy Cheney
Buyer's Agent in 2025
Timothy Cheney
RE/MAX
(207) 200-3637
1 in this area
67 Total Sales
-
Emil Uliano
Seller's Agent in 2023
Emil Uliano
Great Island Realty LLC
(603) 557-7329
3 in this area
134 Total Sales
-
Tony Jalbert
Seller's Agent in 2022
Tony Jalbert
Tate & Foss Sotheby's International Rlty
(603) 498-6241
8 in this area
95 Total Sales
-
B
Seller's Agent in 2015
Barbara Shea-Smucker
Tate & Foss Sotheby's International Rlty
Map
Source: PrimeMLS
MLS Number: 5030784
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