Search
Three-Unit Triplex with Carriage House
New
For Sale
$1,595,000

383 Miller Avenue, Portsmouth, NH 03801

Multi-Family, Portsmouth, NH

Property Size2,964 SF
Lot Size0.26 Acres
Price / SF$538.12
Days on Market2

Property Features for 383 Miller Avenue

General Information

Property type Residential Multi Family
Property subtype Other
Zoning GRA
Bedrooms 5
Bathrooms 3
Full bathrooms 3
Rooms Bedroom 2, Bathroom 1, Bedroom 3, Basement, Bathroom 3, Bedroom 4, Bathroom 2, Bedroom 5, Bedroom 1
Lot features City Lot, Condo Development, Country Setting, Level, Neighborhood, Near School(s)
Elementary school Little Harbor School
Middle school Portsmouth Middle School
High school Portsmouth High School
Elementary school district Portsmouth
Middle school district Portsmouth
High school district Portsmouth
Directions GPS Correct
Standard status Active
Size 2,964 SF
Lot size 0.26 Acres

Taxes and HOA fees

Tax Year 2026
Tax Annual Amount 12000

Utilities

Heating system Hot Water(Heating)
Water source Public

Amenities

front porch
private backyard
garage
storage

Building Details

Year built 1900
Floors in Building 3
Number of units 3
Building materials Clapboard Exterior, Shingle Siding
Roof type Shingle
Architectural style Other
Listing Agency: Tate & Foss Sotheby's International Rlty · Sotheby's International Realty
Listed By: Kurt Schneider
Added: Sep 16 Changed: Sep 17 Last Checked: Sep 17 at 5:06PM
MLS# 5110204

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.

Investment Insights

Based on property information with market context.

Located at 383 Miller Avenue in Portsmouth’s Little Harbor neighborhood, this 2,964-square-foot triplex sits on 0.26 acres and dates to 1900. The main residence contains two separate apartments, each with two bedrooms and one bathroom. A detached carriage house provides a third residence with one bedroom, one bathroom, and an additional loft.

Exterior features include clapboard and shingle siding, a shingle roof, a front porch, and a level private backyard. The property also includes a large two-car garage with additional parking and storage. Public water serves the property, and heating is provided by a hot water system. The sidewalk-lined neighborhood is within walking distance of Portsmouth schools, Leary Field, and downtown, with Rye beaches approximately 10 minutes away by car.

Key Highlights

  • Three‑unit property with two apartments in the main residence and a separate carriage house
  • 2,964 square feet on a 0.26‑acre lot
  • Main‑building apartments each offer 2 bedrooms and 1 bathroom

Property Analytics

Unlock full access to Insights Subscribe to Realmo Intelligence
Open Analytics

Current Use

Triplexes

Suggested Use

Top Pick Locksmith Catering Service (Bike/Boat/Book/etc) Store Pet Grooming Service Daycare Center Home Appliance Store

Score = modeled unmet demand for each use within ~1 mi (higher = bigger opportunity). Zoning and permitted uses should be independently verified with local authorities.

Lease Details

3
Residential units

Location Intelligence

Trade Area within ½ mile

965
Businesses Nearby

Demographics for 03801, NH

22,767
Population
11,448
Households
2
Avg Household Size
43
Median Age
63%
College-Educated
98%
High-School Grad
23.8 sq mi
ZIP Area
957
Density / Sq Mi
$106,520
Median Household Income
$65,984
Median Earnings
$1,783
Median Rent
$647,500
Median Home Value
Check the figures for this property Cap Rate, Value Estimation, Potential NOI and more
View Realmo Analytics

Market

Vacancy Rate% for Multifamily in Northeast region

4% 2022
4.6% 2023
5.3% 2024
5.6% 2025
Rey
Questions? Ask Rey
Realmo’s AI knows this listing — price, zoning, demand, history. Ask anything.

Frequently Asked Questions

What type of property is this?
Triplex - Three residences include a two-unit main building and a separate carriage house with loft space.
Where is this triplex located?
The property is located at 383 Miller Avenue Portsmouth, NH.
What is the asking price?
The asking price for this property is $1,595,000.
What are key features of this property?
This property features: Three‑unit property with two apartments in the main residence and a separate carriage house; 2,964 square feet on a 0.26‑acre lot; Main‑building apartments each offer 2 bedrooms and 1 bathroom
More about this property
Thanks! Your message was sent.
Error! Your message wasn't sent.
Please enter your name
Please enter email
Please enter the email in the correct format
Please enter phone
Please enter the number in the correct format
Please enter message