144 Washington Street Portsmouth, NH 03801
- Added:
- Dec 15, 2025
- Days on Market:
- 109
- Last Refresh:
- Apr 3 at 3:06 pm
Property Features for 144 Washington Street
General Information
- Property type
- Commercial Sale
- Property subtype
- Other
- Zoning
- MRO
- Rooms
- Basement
- Basement Y/N
- 1
- Standard status
- Active
- Lot size
- 0.25 Acres
Taxes and HOA fees
- Tax Annual Amount
- 16937
Utilities
- Heating system
- Baseboard, Hot Water (Heating), Natural Gas
Building Details
- Year built
- 1747
- Number of units
- 9
- Roof type
- Wood
- Architectural style
- Other
Listing agent Wayne Semprini (603) 490-4400
Listing office The Aland Realty Group 175 Market Street., Portsmouth, NH (603) 501-0463
Listing date Dec 15, 2025
MLS# 5072167
Listing URL
Copyright © 2026 PrimeMLS. All rights reserved. All information provided by the listing agent/broker is deemed reliable but is not guaranteed and should be independently verified.
Overview
Historic Portsmouth Office Building For Sale
The Leonard Cotton House, a Portsmouth landmark with over two centuries of history, is situated in Portsmouth’s historic Puddle Dock area. This Federal-style residence offers views across Strawberry Banke Historic Museum, Prescott Park, and the Piscataqua River. As one of the largest privately owned parcels in Portsmouth’s South End, the 0.25-acre lot includes off-street parking with room to construct a garage or carriage house. Located on the corner of Hancock and Washington Streets, the property is a five-minute walk from Portsmouth’s Market Square. Architectural details include moldings, original eight-panel doors, and dental moldings. The third floor features exposed beams and wide pine floors, creating a private office space. The property has served as law offices for over forty years and is currently configured as professional offices. It is suitable for any business seeking a central Portsmouth location. The zoning is MRO.
Property Profile
Insight Report
Location Intelligence
Current Use by Public Records
Durbin Law Offices, ...
Law Firm
Loughlin Peter J
Law Firm
Colby Gamester
Consultant
Creed Michael
Insurance Agency
Location Insight
- Map
- Local Demand
- City
- Portsmouth
- County
- Strafford
- State
- New Hampshire
- Longitude
- -70.7541535
- Latitude
- 43.0747813
Nearby Similar for Sale
FAQs
What type of property is this?
Office building - Landmark Portsmouth building, ideal for professional offices or business.
Where is this office building located?
The property is located at 144 Washington Street Portsmouth, NH.
What is the asking price?
The asking price for this property is $3,300,000.
What are key features of this property?
This property features: Landmark Federal‑style residence in Portsmouth's historic Puddle Dock area with sweeping views.; One of the largest privately owned parcels in Portsmouth's South End with off‑street parking and potential for garage/carriage house.; Prime location: five‑minute walk to Market Square, Portsmouth's cultural epicenter.
