Great Island Realty logo

65 Portsmouth AvenueNew Castle, NH 03854Sale Price: $1,530,000

  • Sale Price: $1,530,000
$
$
%
$/month over payments
Federal 30-year interest rate: 6.48% last updated on Jun 4, 2026
* All Figures are estimates. Check with your bank or proposed mortgage company for actual interest rates.
This product uses the FRED® API but is not endorsed or certified by the Federal Reserve Bank of St. Louis.
  • $1,530,000Sale Price
  • 3Bedrooms
  • 3Bathrooms
  • 0.23Acreage
  • 2,905Square Feet

Ask A Question

Listed by Janet Sylvester of Great Island Realty LLC

Sold by Great Island Realty LLC
The New Castle property you have been waiting for. Turn key, sunny and bright with water views of the back channel. Two miles from downtown Portsmouth and a short walk to New Castle Beach. State of the Art efficiency systems with newly installed Tesla solar & power wall battery backup and radiant floor heating on the first floor. Located just a few hundred feet to public water access for kayaking and swimming and just steps to the best public Elementary school in New Hampshire. Custom built fireplace, and a large finished walk out basement. Maintenance free exterior with wrap around deck and beautiful backyard. Views of the back channel remind you that you live on an island and have access to all that New Castle has to offer. Nothing to do but move in and enjoy the low cost of ownership that you gain by living in the town with the lowest tax rate in the State. Please watch attached video and 3D tour.

Listing Tools

Property Details of 65 Portsmouth Avenue

Property Details

Interior Features

Exterior Features

Utilities and Appliances

Community

Other Details

Map Location

Driving Directions

Broker Reciprocity 

Copyright 2026 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 June 10, 2026 7:38 PM EDT

 

Hi there! How can we help you?

Contact us using the form below or give us a call.

Send Us A Message:

I agree to receive marketing and customer service calls and text messages from Great Island Realty. To opt out, you can reply 'stop' at any time or click the unsubscribe link in the emails. Consent is not a condition of purchase. Msg/data rates may apply. Msg frequency varies. Privacy Policy.

Do not fill in this field:

This site is protected by reCAPTCHA and the Google Privacy Policy and Terms of Service apply.

ExploreMore Like This