Single Family for Sale: 183 Portsmouth Avenue, New Castle, NH 03854 SOLD

4 beds
3 full, 1 half baths
3,154 sqft
$3,450,000
$3,450,000
183 Portsmouth Avenue, New Castle, NH 03854 SOLD
4 beds
3 full, 1 half baths
3,154 sqft
$3,450,000
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Floor Plans
Selling Price: $3,450,000
Original List Price: $3,795,000
Sold at 90.9% of list price
Sold Date: 05/30/2025

Type Single Family
Style Victorian
Beds 4
Baths 3 full, 1 half baths
Square Feet 3,154 sqft
Lot Size 0.45 acres
Year Built 1800

City New Castle
County Rockingham
School District New Castle

MLS 5030784
Status Closed
DOM 27 days
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.

Room Features

Bedroom 16.8 X 13.9
Bedroom 2 12 X 12.2
Bonus Room 12.3 X 12.1
Breakfast Nook 7.11 X 10.6
Den 11.11 X 10.3
Dining Room 13.1 X 12.2
Family Room 16.3 X 13.7
Kitchen 11.5 X 18.6
Living Room 10.9 X 18.7
Office/Study 16.4 X 9.10
Primary Bedroom 24.10 X 10.7
Sunroom 11.3 X 32.7

Virtual Tours for 183 Portsmouth Avenue

Lot & Building Features

Appliances Tankless Water Heater, On Demand Water Heater, Gas Stove, Gas Range, Microwave, Washer, Dryer, Propane Water Heater, Dishwasher
Features Interior In-Law Suite, 2 Fireplaces, Hearth, Skylight, Gas Fireplace, Cathedral Ceiling, Ceiling Fan, Primary BR w/ BA, Dining Area
Utilities Propane, Cable
Construction Shingle Siding, Wood Frame
Cooling Mini Split, Central AC
Heating Gas Stove, Radiant Electric, Mini Split, Heat Pump, In Floor, Propane, Radiant, Electric, Forced Air, Hot Air
Parking Description Storage Above, Parking Spaces 6+, Auto Open, Attached
Sewer Public
Tax Year 2023
Water Public
Basement Description Interior Stairs, Exterior Access, Crawl Space, Interior Access, Concrete, Unfinished
Foundation Stone, Concrete
Lot Description Island, Near Country Club, Near Golf Course, Secluded, Water View, View, Landscaped, Level
Roof Architectural Shingle
Features Exterior Garden Space, Patio, Covered Porch, Shed
Garage Yes

Community and Schools

Elementary School Maude H. Trefethen School
Junior High School Rye Junior High School
Senior High School Portsmouth High School

Price History of 183 Portsmouth Avenue

Date Name Price Difference
03/03/2025 Listing Price $3,450,000 N/A
*Information provided by REWS for your reference only. The accuracy of this information cannot be verified and is not guaranteed.

Map of 183 Portsmouth Avenue, New Castle, NH

Location Map Street View
Listed by Great Island Realty LLC, Janet Sylvester & Margaret Pesce
Sold by RE/MAX Shoreline, Tim Cheney 603-431-1111
Photo of Ling He
Ling He
Realtor
Direct: 805-284-8988
Office
655 Wallis Road.
Rye, NH 03870
603-964-7000
PrimeMLS

Listing Last updated . Some properties which appear for sale on this web site may subsequently have sold or may no longer be available. Walk Score map and data provided by Walk Score. Google map provided by Google. Bing map provided by Microsoft Corporation.

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Listing information courtesy of: Great Island Realty LLC

Copyright 2025 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this display comes in part from the IDX Program of PrimeMLS. The information being provided is for consumers. personal, non- commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 12/13/2025