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53 Austin St, Portsmouth, NH 03801
53 Austin St, Portsmouth, NH 03801
53 Austin St, Portsmouth, NH 03801
53 Austin St, Portsmouth, NH 03801
53 Austin St, Portsmouth, NH 03801
53 Austin St, Portsmouth, NH 03801
53 Austin St, Portsmouth, NH 03801

53 Austin St Portsmouth, NH 03801

$3,600,000

ACTIVE
Beds
6
Baths
6
Sqft
7,648
Acres
0.4
Year
1801
Days on Site
1
Property Type
Residential
Sub Type
Single Family
Per Square Foot
$471
Date Listed
Jun 17, 2026

Description of 53 Austin St, Portsmouth, NH 03801

Listing details for 53 Austin St, Portsmouth, NH 03801 : The Pickering-Heffenger House c.1804 Live where history was made and where diplomats, dignitaries, and world leaders once gathered. The Pickering-Heffenger House is one of Portsmouth's most significant residences, prominently featured in Richard Candee's Building Portsmouth and John Mead Howells' Architectural History of the Piscataqua. Its most celebrated chapter occurred in 1905 when Dr. Arthur Heffenger, a retired U.S. Navy physician, hosted members of the Russian delegation during negotiations for the historic Portsmouth Peace Treaty. The grandeur of that era remains evident throughout the home with quadruple crown moldings, marble fireplace mantels, soaring ceilings, and extraordinary millwork. Thoughtfully modernized for today's lifestyle, the residence offers a beautifully appointed granite kitchen, wide-board cherry floors, six bedrooms, and six renovated bathrooms that seamlessly blend historic character with modern comfort. The original carriage house and stable have been transformed into three residences consisting of two one-bedroom apartments and one two-bedroom apartment, creating flexibility for guests, extended family, rental income, or staff accommodations. Perhaps most compelling are the property's future possibilities. It can continue as one of Portsmouth's great private estates, become a multi-generational family compound, or be thoughtfully repositioned as a condominium conversion opportunity. An existing inn license also creates potential for boutique hospitality, subject to approvals. Situated along tree-lined Austin Street and just steps from downtown Portsmouth, this is more than a home—it's an opportunity to own, preserve, and redefine one of the Seacoast's truly iconic properties.
Listing Updated : 06-17-2026 at 7:01 AM EDT
Source

PrimeMLS, MLS#: 5095121

For more information on this listing contact us at (603) 766-1980

Property History

DateEventPrice
6/17/2026
Listed for sale
$3,600,000
$471/sqft
Source:PrimeMLS #5095121
Home Worth Check

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Copyright 2026 PrimeMLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this website 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 2026-06-17. This display of listings may or may not be the entire compilation from the PrimeMLS database, and PrimeMLS does not guarantee the accuracy of such information.
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For more information on this listing contact us at (603) 766-1980