
Open house · Sun, Oct 11 · 10:30 AM–12:30 PM
$1,249,000
Active79 Thornton Street #1, Portsmouth, NH 03801
MLS #5110695
From downtown Portsmouth to the shores of Sagamore Creek, get to know the city’s condo communities and explore homes for sale. Questions about buying, selling, or a particular association? Let’s talk.
79 matching properties

Open house · Sun, Oct 11 · 10:30 AM–12:30 PM
79 Thornton Street #1, Portsmouth, NH 03801
MLS #5110695











Open house · Sun, Oct 11 · 11:00 AM–3:00 PM
80 Constitution Avenue #227, Portsmouth, NH 03801
MLS #5108660
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Retrieved Oct 10, 2026, 9:34 PM Eastern. Listing coverage varies by source.
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Get to know Portsmouth
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77 Hanover Street
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777 Middle Road
An established condominium community on Middle Road. If Riverbrook is on your list, we can help you compare individual homes and understand what ownership here involves.
80 Constitution Avenue
One- and two-bedroom condominiums in Portsmouth Green, with shops and everyday services nearby. Shared spaces include a fitness center and outdoor terrace.
Springbrook Circle
Two-bedroom condominiums in a setting with pond frontage and conservation land. A pool, tennis courts, and clubhouse are among the community’s shared amenities.
White Cedar Boulevard
One- and two-bedroom homes across a community of low-rise buildings. Upper-floor homes have balconies, and buildings have stairs rather than elevators—a useful detail when choosing a home here.
Green Street
A waterfront condominium development designed around one-, two-, and three-bedroom homes, with planned concierge service and shared amenities. Ask us about current offerings and the construction timeline.
2075 Lafayette Road
A condominium community on Lafayette Road developed for active-adult living. We can help you explore the homes and confirm the community’s current age requirements.
579 Sagamore Avenue
An established condominium community beside Sagamore Creek. Explore our Tidewatch guide for a closer look at the homes, original layouts, and setting.
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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.
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 10/10/26.