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.
Closed
Listed by: Great Island Realty LLC • Janet Sylvester
Bought with: RE/MAX Shoreline
$3,450,000
183 Portsmouth Avenue, New Castle, NH 03854
4beds
3,154sqft
Single Family Residence
Built in 1800
0.45 Acres Lot
$3,541,200 Zestimate®
$1,094/sqft
$6,969 Estimated rent
Home value
$3,541,200
$3.26M - $3.82M
$6,969/mo
Zestimate® history
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Zillow last checked:
Listing updated:
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#: 5030784
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, Gas Stove, Mini Split
Cooling
- Central Air, Mini Split
Appliances
- Included: Dishwasher, Dryer, Microwave, Gas Range, Washer, Gas Stove, Propane Water Heater, Instant Hot Water, Tankless Water Heater
Features
- Cathedral Ceiling(s), Ceiling Fan(s), Dining Area, Hearth, In-Law Suite, Primary BR w/ BA
- Flooring: Hardwood, Softwood, Tile
- Windows: Skylight(s)
- Basement: Concrete,Crawl Space,Interior Stairs,Unfinished,Interior Access,Exterior Entry,Interior Entry
- Number of fireplaces: 2
- Fireplace features: Gas, 2 Fireplaces
Interior area
- Total structure area: 6,308
- Total interior livable area: 3,154 sqft
- Finished area above ground: 3,154
- Finished area below ground: 0
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, Covered Porch
- Exterior features: Garden, Shed
- 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
- Parcel number: NCASM00015B000004L000000
- Zoning description: RD RE
- Other equipment: Standby Generator
Construction
Type & style
- Home type: SingleFamily
- Architectural style: Victorian
- Property subtype: Single Family Residence
Materials
- Wood Frame, Shingle Siding
- Foundation: Concrete, Stone
- Roof: Architectural Shingle
Condition
- New construction: No
- Year built: 1800
Utilities & green energy
- Electric: 200+ Amp Service, Circuit Breakers
- Sewer: Public Sewer
- Utilities for property: Cable, Propane
Community & HOA
Community
- Security: Security System
Location
- Region: New Castle
Financial & listing details
- Price per square foot: $1,094/sqft
- Tax assessed value: $2,400,900
- Annual tax amount: $10,804
- Date on market: 3/3/2025
Price history
| Date | Event | Price |
|---|---|---|
| 5/30/2025 | Sold | $3,450,000-9.1%$1,094/sqft |
Source:  PrimeMLS #5030784 Report a problem | ||
| 4/9/2025 | Contingent | $3,795,000$1,203/sqft |
Source: PrimeMLS #5030784 Report a problem | ||
| 3/3/2025 | Listed for sale | $3,795,000+21.4%$1,203/sqft |
Source: PrimeMLS #5030784 Report a problem | ||
| 6/22/2024 | Listing removed | -- |
Source: PrimeMLS #4989163 Report a problem | ||
| 5/31/2024 | Price change | $12,000-20%$4/sqft |
Source: PrimeMLS #4989163 Report a problem | ||
| 3/26/2024 | Listed for rent | $15,000$5/sqft |
Source: PrimeMLS #4989163 Report a problem | ||
| 11/7/2023 | Sold | $3,125,000-3.8%$991/sqft |
Source: PrimeMLS #4969459 Report a problem | ||
| 9/22/2023 | Contingent | $3,250,000$1,030/sqft |
Source: PrimeMLS #4969459 Report a problem | ||
| 9/11/2023 | Listed for sale | $3,250,000+8.3%$1,030/sqft |
Source: PrimeMLS #4969459 Report a problem | ||
| 6/20/2022 | Sold | $3,000,000-6.3%$951/sqft |
Source: PrimeMLS #4898422 Report a problem | ||
| 5/25/2022 | Contingent | $3,200,000$1,015/sqft |
Source: PrimeMLS #4898422 Report a problem | ||
| 2/18/2022 | Listed for sale | $3,200,000-12.3%$1,015/sqft |
Source: PrimeMLS #4898422 Report a problem | ||
| 11/1/2021 | Listing removed | -- |
Source:  RE/MAX International Report a problem | ||
| 6/28/2021 | Listed for sale | $3,650,000+114.7%$1,157/sqft |
Source: PrimeMLS #4869326 Report a problem | ||
| 7/21/2015 | Sold | $1,700,000-12.8%$539/sqft |
Source: Public Record Report a problem | ||
| 12/16/2014 | Price change | $1,950,000-7.1%$618/sqft |
Source: Tate & Foss Sotheby's International Realty #4383821 Report a problem | ||
| 9/16/2014 | Listed for sale | $2,100,000$666/sqft |
Source: Tate and Foss, Inc. #4383821 Report a problem | ||
Public tax history
| Year | Property taxes | Tax assessment |
|---|---|---|
| 2024 | $12,941 +8.2% | $2,400,900 |
| 2023 | $11,956 +10.7% | $2,400,900 |
| 2022 | $10,804 +0.5% | $2,400,900 +40.8% |
| 2020 | $10,746 +1.8% | $1,705,700 |
| 2019 | $10,558 +3.2% | $1,705,700 |
| 2018 | $10,234 +8.9% | $1,705,700 +6.2% |
| 2016 | $9,397 +47.6% | $1,606,300 +61.4% |
| 2015 | $6,368 -3% | $995,000 |
| 2014 | $6,567 +3.3% | $995,000 |
| 2013 | $6,358 | $995,000 |
| 2012 | $6,358 -2.5% | $995,000 -11.5% |
| 2010 | $6,519 +23.6% | $1,123,900 -0.3% |
| 2008 | $5,273 +3.8% | $1,126,800 -0.4% |
| 2006 | $5,078 | $1,130,900 |
Find assessor info on the county website
Neighborhood: 03854
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Nearby schools
GreatSchools rating
- NAMaude H. Trefethen SchoolGrades: K-6Distance: 0.3 mi
- 8/10Portsmouth Middle SchoolGrades: 6-8Distance: 1.6 mi
- 5/10Robert W Traip AcademyGrades: 9-12Distance: 1.2 mi
Schools provided by the listing agent
- Elementary: Maude H. Trefethen School
- Middle: Rye Junior High School
- High: Portsmouth High School
- District: New Castle
Source: PrimeMLS. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.
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Estimated market value
$3,541,200
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Estimated market value
$3,541,200
- New Hampshire
- Rockingham County
- New Castle
- 03854
- 183 Portsmouth Avenue
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