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    Waterfront Multi-Family in Portsmouth, NH Title is generated by Realmo AI

    25 South Mill Street, Portsmouth, NH 03801

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    For Sale
    $1,795,000

    Multi-Family - Portsmouth, NH

    Property size:
    1,760 SF
    Lot size:
    0.12 Acres
    Price / SF:
    $1,019/SF
    Added:
    Jan 6, 2026
    Days on Market:
    124
    Last Refresh:
    May 10 at 11:06 am

    Property Features for 25 South Mill Street

    General Information

    Property type
    Residential Multi Family
    Property subtype
    Other
    Zoning
    GRB
    Bedrooms
    4
    Bathrooms
    2
    Rooms
    Basement, Bathroom 1, Bathroom 2, Bedroom 1, Bedroom 2, Bedroom 3, Bedroom 4
    Parking
    1
    Parking features
    Garage, Paved or Surfaced
    EntryLevel
    Unit 1: 1,Unit 2: 2
    Basement Y/N
    1
    Appliances
    Range, Refrigerator
    Standard status
    Active
    Size
    1,760 SF
    Lot size
    0.12 Acres

    Taxes and HOA fees

    Tax Year
    2025
    Tax Annual Amount
    14253

    Utilities

    Heating system
    Hot Water (Heating)

    Building Details

    Year built
    2013
    Floors in Building
    2
    Number of units
    2
    Flooring type
    Carpet, Wood
    Roof type
    Shingle
    Architectural style
    Other

    We can help!

    Listing Contact
    Emil Uliano

    Listing agent Emil Uliano

    Listing office Great Island Realty LLC 40 Pleasant St., Portsmouth, NH

    Listing date Jan 6, 2026

    MLS# 5073158 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.

    HighLights

    • Waterfront property in a desirable South End location, close to downtown Portsmouth, Prescott Park, and the waterfront.
    • Newer construction (built in 2013) two‑family home offering versatile use options.
    • Significant parking: oversized garage (approx. 14' x 26') and driveway parking for 6+ vehicles.
    • Each unit features 2 bedrooms, 1 full bath, and in‑unit laundry.
    • Income potential: lower unit leased through April 2026; upper unit recently rented for $2900/month (vacant for showings).
    • Upper unit boasts elevated views, higher ceilings, and enhanced natural light.

    Overview

    Located on the waterfront in Portsmouth, NH, this newer construction two-family home, built in 2013, offers a versatile, income-generating property. Each unit features 2 bedrooms, 1 full bath, and in-unit laundry. The upper unit includes elevated views and higher ceilings. The property includes a deep, oversized garage (approximately 14' x 26') and a driveway that accommodates 6+ vehicles. The property, situated on a 0.12-acre lot, offers flexible use options, suitable for an owner-occupant, investors, or those considering a condo conversion or conversion to a single-family residence. The upper unit is currently vacant, having been most recently rented in 2025 for $2900 per month, while the lower unit is leased through April 2026. The property is located in the South End, near downtown Portsmouth, Prescott Park, and the city’s waterfront scene. The property size is 1760 square feet.
    Property Profile Insight Report Location Intelligence

    Current Use by Public Records

    BCB Appraisals Real Estate Agency

    Suggested Use

    Real Estate Agency Law Firm Restaurant Spa & Massage Center Dental Office Hair Salon Nail Salon Building Supply Daycare Center Gym & Fitness Center

    Zoning and permitted uses should be independently verified with local authorities.

    Location Insight

    • Map
    • Local Demand
    City
    Portsmouth
    County
    Strafford
    State
    New Hampshire
    Longitude
    -70.7502691
    Latitude
    43.0732853

    FAQs

    What type of property is this?
    Duplex - Newer construction multi-family property in a sought-after waterfront location.
    Where is this duplex located?
    The property is located at 25 South Mill Street Portsmouth, NH.
    What is the asking price?
    The asking price for this property is $1,795,000.
    What are key features of this property?
    This property features: Waterfront property in a desirable South End location, close to downtown Portsmouth, Prescott Park, and the waterfront.; Newer construction (built in 2013) two‑family home offering versatile use options.; Significant parking: **oversized garage** (approx. 14' x 26') and driveway parking for 6+ vehicles.
    More about this property
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