This listing courtesy of Emil Uliano , Great Island Realty LLC

$1,850,000

25 South Mill Street, Portsmouth, NH 03801

4 beds |
2 baths

Single-Family Home
Built in 2013
5,227sqft lot
1 car garage
$——/sqft
Listed 1 month ago

Property Description

Welcome to 25 South Mill Street — a rare offering of newer construction (built in 2013) located on the waterfront in one of Portsmouth’s most sought-after neighborhoods. Currently set up as a 2 family home this would be a fairly straight forward conversion to a true single family property in a premier location. Each of the two units features 2 bedrooms, 1 full bath, and in-unit laundry, offering comfortable, modern living with a coastal flair. The upper unit enjoys elevated views and higher ceilings, maximizing light and enhancing the stunning water vistas. Outdoors, you'll find no shortage of parking with a deep, oversized garage (approx. 14' x 26') and a driveway that accommodates 6+ vehicles — an exceptional amenity for South End living. With flexible use options, this property is ideal for an owner-occupant looking to offset their costs with rental income, investors seeking a premium location asset, or those envisioning a condo conversion or conversion to a single-family residence. The upper unit will be vacant by end of July 2025, while the lower unit is leased through April 2026, providing both immediate flexibility and reliable income. Don’t miss this exceptional opportunity in the heart of the South End — just a short stroll to downtown Portsmouth, Prescott Park, and the city’s vibrant waterfront scene.

Listing Status:: Active
Date Added:: January 6, 2026
Data Last Updated:: February 19, 2026 at 12:59AM
Listing Office:: Great Island Realty LLC : 603-433-3350
Listing Agent:: Emil Uliano : 603-433-3350
MLS ID:: 5073793

Appliances: DryerMicrowaveRefrigeratorWasherGas Stove
Basement: Unfinished
Flooring: CarpetWood
A/C: None
Heating: Hot Water

Style: Colonial
Parking: Driveway

Roofing: Shingle
General: Wood FrameClapboard ExteriorBrick

Road/Access: Public
School District: Portsmouth
County: Rockingham

Driveway: Paved
Zoning: GRB

Utilities: Propane
Water: Public
Sewer: Public

This listing courtesy of Emil Uliano , Great Island Realty LLC

Monthly Payment

$Est. Payment

Principal & Interest $
Property Taxes $
Home Insurance $
VA Funding Fee $

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Location

Schools Nearby

Little Harbour Elementary School

50 Clough Dr Ste 1, Portsmouth, NH, 03801

Grades KG-5

0.46 miles away

Portsmouth Middle School

155 Parrott Ave, Portsmouth, NH, 03801

Grades 6-8

0.45 miles away

Portsmouth High School

50 Andrew Jarvis Dr, Portsmouth, NH, 03801

Grades 9-12

1.20 miles away

Disclaimer: School and School District information courtesy of the National Center for Education Statistics (NCES). School boundaries may change. Proximity to listed schools does not guarantee enrollment eligibility. Contact the school district for more information and exact boundaries.