165 Union Street Portsmouth, NH $ 875,000
165 Union Street
$ 875,000
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165 Union Street

Portsmouth, NH, 03801
$ 875,000
Bedrooms4 Baths1.1 Sq 1,450

Monthly Estimate*

$ 5,388

Listed by Evan Douglass, KW Coastal and Lakes & Mountains Realty/Portsmouth, 603-205-4463, evan@proulxrealestate.com
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Single Family Home for sale in Portsmouth, NH

for $875,000 with 4 bedrooms and 1 full bath, 1 half bath. This 1,450 square foot home was built in 1870 on a lot size of 0.1.

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 fully fenced backyard—ideal for relaxing, entertaining, or letting pets play. An additional outbuilding provides excellent space for hobbies, a workshop, or extra storage, with a brand-new roof installed in 2025. Ample off-street parking adds everyday convenience to this prime location. A wonderful opportunity to enjoy West End living with easy access to everything Portsmouth has to offer.

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Single Family Active

Price

$ 875,000

Bedrooms

4

Full Bath

1

Half Bath

1

Property Type

Single Family

Taxes

$ 0

Style

Colonial

Lot Size

0.1

Year Built

1870

Town/City

Portsmouth

County/Region

Rockingham

MLS | Web ID

5073774

Features
Interior
Basement Description Interior Stairs Unfinished Exterior Access
Interior Amenities Kitchen/Dining Basement Laundry
Basement Yes
Flooring Carpet Hardwood
Beds 4
Total Rooms 7
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General
Road Frontage Yes
Sewer Public
Heating Natural Gas Forced Air
Cooling Central AC
Utilities Other
Roof Asphalt Shingle
Appliances Dishwasher Microwave Double Oven Refrigerator Washer Gas Stove
Garage No
Flood Zone No
Zoning GRC
3/4 Baths 0
Full Baths 1
Half Baths 1
Bathrooms 2
Year Built 1870
Electric 200+ Amp Service Circuit Breaker(s)
Style Colonial
Stories Count 3
Construction Status Existing
Type Single Family
Block 0
Assessment Amount 852500
Auction No
Tax Year 2024
Status Detail 0
Covenants No
Construction Materials Wood Frame
High School Portsmouth High School
City Portsmouth
School District Portsmouth School District
Seasonal No
Elementary School Little Harbor School
Middle School Portsmouth Middle School
DOM 0
Price Per Sq Ft Total AG 603.45
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Exterior
Lot Features In Town Near Shopping Neighborhood Near School(s)
Exterior Amenities Deck Outbuilding Shed Storage
Driveway Paved
Lot Size Area 0.1
Water Source Public
Parking Features Driveway Off Street On-Site Parking Spaces 1 - 10
Foundation Brick Other Stone
Lot 65
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* Excluded Features
List By
Evan Douglass

Listing Agent

Kw Coastal And Lakes & Mountains Realty/Portsmouth

Broker

(603) 205-4463

Phone

evan@proulxrealestate.com

Email

Affordability Calculator

$5,388
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$5,388
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Default based on a 30-year fixed rate of 6.25% 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
4225430 Elementary School
2101549 Middle School
Portsmouth High School High School
Pricing History
DatePricePrice ChangeDescription
1/13/2026$875,000 Listed Price

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165 Union Street, Portsmouth, NH, 03801 is a Single Family Home for sale at $875,000 with 1,450 sqft and a lot size of 0.1. 165 Union Street has 4 bedrooms, 1.1 baths, and was built in 1870. The property's zip code is 03801 which is in Portsmouth, NH