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165 Union Street, Portsmouth, NH 03801

Portsmouth
Local realty services provided by:CENTURY 21 Farm & Forest
165 Union Street,Portsmouth, NH 03801
$875,000
  • 4 Beds
  • 2 Baths
  • 1,450 sq. ft.
  • Single family
  • Active
Upcoming open houses
  • Sat, Feb 28
    01:00 pm - 03:00 pm
Listed by: evan douglassErin@ProulxRealEstate.com
Office: kw coastal and lakes & mountains realty/portsmouth
MLS#:5073774
Source:PrimeMLS

Price summary

  • Price:$875,000
  • Price per sq. ft.:$429.55

About this home

Located in Portsmouth’s highly sought-after West End neighborhood, this charming 4-bedroom, 1.5 bath home offers the perfect blend of walkability, comfort, and thoughtful updates—all just a half mile to downtown’s shops, restaurants, entertainment, and waterfront. Inside, the home features warmth & character including lots of natural light, hardwood floors, detailed trim, and built-ins. A sunny kitchen bursting with warmth and charm has a great peninsula for casual seating & entertaining, plus a nook for a dining table. The main level also features another space that can be used as an office or cozy reading area. Enjoy the comfort of central air conditioning and a newer heating system (natural gas) & hot water heater. The sewer line was recently upgraded in 2025, offering peace of mind for years to come. The basement has interior & exterior access, with additional space for storage and includes the laundry. Step outside to enjoy a nicely sized deck, rebuilt in 2022, overlooking a

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Home facts

  • Year built:1870
  • Listing ID #:5073774
  • Added:44 day(s) ago
  • Updated:February 25, 2026 at 11:30 AM

Rooms and interior

  • Bedrooms:4
  • Total bathrooms:2
  • Full bathrooms:1
  • Rooms Total:7
  • Flooring:Carpet, Hardwood
  • Kitchen Description:Dishwasher, Microwave, Refrigerator
  • Basement Description:Exterior Access, Unfinished, Walk-up
  • Living area:1,450 sq. ft.

Heating and cooling

  • Cooling:Central AC
  • Heating:Forced Air

Structure and exterior

  • Roof:Asphalt Shingle
  • Year built:1870
  • Building area:1,450 sq. ft.
  • Lot area:0.1 Acres
  • Levels:3 Story

Schools

  • High school:Portsmouth High School
  • Middle school:Portsmouth Middle School
  • Elementary school:Little Harbor School

Utilities

  • Sewer:Public Available

Finances and disclosures

  • Price:$875,000
  • Price per sq. ft.:$429.55
  • Tax amount:$9,531 (2024)

Features and amenities

  • Appliances:Refrigerator, Washer
  • Laundry features:Washer
  • Amenities:Circuit Breaker(s)
MLS LogoCopyright 2026 Prime MLS, Inc. All rights reserved. This information is deemed reliable, but not guaranteed. The data relating to real estate displayed on this Site comes in part from the IDX Program of Prime MLS. The information being provided is for consumers’ personal, noncommercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated February 27, 2026

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