28 Walden Street Portsmouth, NH $ 1,600,000
28 Walden Street
$ 1,600,000
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28 Walden Street

Portsmouth, NH, 03801
$ 1,600,000
Bedrooms2 Baths2.1 Sq 1,315

Monthly Estimate*

$ 10,103

Listed by Kristin Claire, LandVest, Inc./New Hampshire, 603-494-9448, kclaire@landvest.com
28 Walden Street, Portsmouth, NH 03801 - Image 1
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Single Family Home for sale in Portsmouth, NH

for $1,600,000 with 2 bedrooms and 2 full baths, 1 half bath. This 1,315 square foot home was built in 1811 on a lot size of 0.07.

Direct tidal waterfront just minutes from downtown Portsmouth is an extraordinary rarity, and this beautifully restored c.1810 home with a detached legal accessory dwelling unit (ADU) offers the opportunity to enjoy both, blending historic New England character with thoughtful modern updates in an exceptional waterfront setting. Designed to embrace its surroundings, the home captures sweeping water views and spectacular sunrises through windows on three sides. The custom cook's kitchen with handcrafted cabinetry opens to an inviting living area where a wall of glass frames the ever-changing waterfront landscape. Gentle ocean breezes and abundant natural light create a comfortable atmosphere throughout the seasons. Outside, a climbing hydrangea arbor welcomes you to a private brick patio and beautifully established gardens overlooking the water. It's an ideal setting for morning coffee, afternoon gatherings, or simply enjoying the peaceful shoreline. Launch a kayak or paddleboard directly from your backyard and explore the protected cove, home to a variety of coastal birds and marine life. The detached legal ADU offers exceptional flexibility as a guest house, private office, or income-producing rental. Filled with natural light, it features a vaulted ceiling, dramatic floor-to-ceiling window, loft sleeping area, full kitchen and bath, and a cozy gas fireplace. Located on a quiet dead-end street, yet only minutes from Portsmouth's celebrated restaurants, boutiques, galleries, The Music Hall, Prescott Park, Strawbery Banke Museum, and the city's vibrant waterfront, the property offers the perfect balance of peaceful waterfront living with proximity to amenities. A mahogany entry deck overlooks the granite cobblestone driveway with parking for three vehicles. A distinctive Seacoast property where historic charm, modern comfort, and waterfront living come together. Total square footage includes the detached legal ADU. Showings begin Saturday 8/1/2026 1-4 pm.

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Single Family Active

Price

$ 1,600,000

Bedrooms

2

Full Bath

2

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Antique,New Englander,Studio

Lot Size

0.07

Year Built

1811

Town/City

Portsmouth

County/Region

Rockingham

MLS | Web ID

5102368

Features
Interior
Basement Description Bulkhead Concrete Concrete Floor Exterior Stairs Storage Space Sump Pump Unfinished
Interior Amenities Cathedral Ceiling In-Law/ADU Kitchen/Living Natural Light Natural Woodwork Skylight Surround Sound Wiring 1st Floor Laundry
Basement Yes
Flooring Carpet Hardwood Tile
Beds 2
Total Rooms 5
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General
Road Frontage Yes
Sewer Public
Heating Natural Gas Baseboard Electric Hot Water Radiant Electric Mini Split
Cooling Mini Split
Utilities Underground Gas
Roof Asphalt Shingle
Appliances Dishwasher Disposal Dryer Range Hood Microwave Refrigerator Washer Water Heater off Boiler Induction Cooktop
Garage No
Flood Zone Unknown
Zoning GRB
3/4 Baths 2
Full Baths 0
Half Baths 1
Bathrooms 3
Year Built 1811
Electric 200+ Amp Service
Style Antique New Englander Studio
Stories Count 1.75
Construction Status Existing
Type Single Family
Block 0
Auction No
Tax Year 2025
Status Detail 1
Covenants Unknown
Construction Materials Clapboard Exterior
Directions From Marcy Street towards New Castle left onto Walden Street. Property on the right. Park on Marcy St.
High School Portsmouth High School
City Portsmouth
School District Portsmouth
Seasonal No
Elementary School Little Harbor School
Middle School Portsmouth Middle School
DOM 0
Price Per Sq Ft Total AG 1216.73
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Exterior
Lot Features Landscaped Level River River Frontage Water View Waterfront Wetlands Neighborhood Tidal
Exterior Amenities Partial Fence Garden Space Guest House Patio Porch Storage
Driveway Brick/Pavers
Water View Yes
Lot Size Area 0.07
Water Source Public
Parking Features Off Street Parking Spaces 3
Water Body Name Piscataqua River
Foundation Brick Poured Concrete Stone
Lot 19
Waterfront Property Yes
Water Body Type River
Water Body Access Yes
Water Access Details Directly Adjoining
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* Excluded Features
List By
Kristin Claire

Listing Agent

Landvest, Inc./New Hampshire

Broker

(603) 494-9448

Phone

kclaire@landvest.com

Email

Affordability Calculator

$10,103
Per Month
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Monthly Principal & Interest
$10,103
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Default based on a 30-year fixed rate of 6.49% with 20% down. The estimated payment is offered for convenience and is not an offer of credit. Due to market fluctuations, interest rates are subject to change at any time and without notice. Your individual rate may vary. Rates may differ for FHA, VA or jumbo loans.
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Nearby
1782400 Elementary School
451608 Middle School
Portsmouth High School High School
Pricing History
DatePricePrice ChangeDescription
7/29/2026$1,600,000 Listed Price

Map


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28 Walden Street, Portsmouth, NH, 03801 is a Single Family Home for sale at $1,600,000 with 1,315 sqft and a lot size of 0.07. 28 Walden Street has 2 bedrooms, 2.1 baths, and was built in 1811. The property's zip code is 03801 which is in Portsmouth, NH