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Listed by Ocean to Lakes Realty · Catherine McCauley · 603-475-2533

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51 Islington Street, Portsmouth, NH

Condominium

For SaleActive

Listed by Ocean to Lakes Realty · Catherine McCauley · 603-475-2533

2 Beds|2 Baths|1,284 ft²|Built 2011|Portsmouth

Property Description

Here's your chance at a Portsmouth condominium: 51 Islington Street, priced at $1,100,000. Expect 2 bedrooms, 2 bathrooms and 1,284 square feet of living space. As a condominium, it makes an easy lock-and-leave base: arrive Friday night, hand back the key Sunday, and let the association handle the rest. Also on the sheet: 2011 construction and roughly $857 per square foot. Scroll on for current photos, the complete spec sheet and this Portsmouth listing's market context.

Welcome to 51 Islington Street Condominiums! This sun-filled, 2-bedroom, 2-bath corner condominium is located in historic downtown Portsmouth. This property features an open-concept layout with expansive windows, gleaming wood floors, and a gas fireplace complemented by custom built-in shelving. The kitchen includes a center island and granite countertops. Dining area has views toward Congress Street where you can catch a glimpse of the North Church Steeple. The primary suite offers an en-suite bath, built-ins and a walk-in closet. The second bedroom adjoins the full guest bath in the entry hall. It could be used for your home office or a den. Stackable washer/dryer is located within the unit. Central A/C and gas heat. Additionally, the unit provides convenient amenities such as secure keyless entry/elevator access, one deeded parking space, and private basement storage. This residence is located steps away from the city's dining, shopping, entertainment, and waterfront areas.

Location Highlights

51 Islington Street is a condominium in Portsmouth, New Hampshire, listed at $1,100,000. That works out to about $857 per square foot, for a home built in 2011. It has been on the market for 6 weeks.

At this latitude, Portsmouth averages roughly 8.4 hours of sun a day in June and 3.6 in December.

Zoned schools: Little Harbor School (Elementary), Portsmouth Middle School (Middle), Portsmouth (High). Always confirm zoning with the district office.

Source: zoned school names are PrimeMLS listing data; distances, sun exposure and school facts are Owl’s Nest Real Estate additions (school facts from the NCES, U.S. Department of Education) — not PrimeMLS data.

Property Details

Essentials & finishes

  • Bedrooms:2
  • Total Baths:2
  • Full Baths:1
  • SqFt:1,284
  • Price / SqFt:$856.70
  • Property Type:Condominium
  • Year Built:2011
  • County:NH-Rockingham
  • Town:Portsmouth, NH
  • Status:Active
  • Days on Market:35

Primary Features

CountyNH-Rockingham
Property TypeResidential
Year Built2011
ZoningCD4

Interior Features

AppliancesDishwasher, Dryer, Electric Water Heater, Exhaust Fan, Microwave, Electric Range, Refrigerator, Washer
BasementYes
Basement Access TypeInterior
Basement DescriptionConcrete, Locked Storage
1/4 Baths0
3/4 Baths1
CoolingCentral Air
ElectricCircuit Breakers
FlooringHardwood, Tile
HeatingNatural Gas, Hot Air
Interior FeaturesElevator, Gas Fireplace, Kitchen Island, Primary BR w/ BA
Rooms - Total5
SqFt-Approximate Finished Above Grade1,284
SqFt-Approximate Finished Below Grade0
SqFt Approximate Total Finished1,284
SqFt Approximate Total1,284

Location Information

School - DistrictPortsmouth School District
School - ElementaryLittle Harbor School
School - HighPortsmouth
School - Middle/JrPortsmouth Middle School

Financial Details

Association Fee$485
Fee FrequencyMonthly
Fee IncludesPlowing, Sewer, Trash, Water
Tax - Gross Amount$9,309
Tax Year2025
Taxes TBDNo

Additional

Construction StatusExisting
ConstructionMasonry, Wood Frame
CovenantsYes
Flood ZoneUnknown
Pre-ConstructionNo
Property Sub TypeCondominium
SeasonalNo
Total StoriesOne
SurveyedYes
Timeshare/Fractional OwnershipNo

External Features

DrivewayPaved
Exterior FeaturesWindow Screens
FoundationConcrete
GarageNo
Lot FeaturesCondo Development, In Town, Near Golf Course, Near Shopping, Near Public Transit, Near Hospital
ParkingDeeded, On Site, Parking Spaces 1
Road Frontage TypeAssociation, Paved, Public Maintained Road
Road FrontageYes
Road Frontage Length118
RoofShingle
SewerPublic
UtilitiesCable
Water SourcePublic
MLS®: PrimeMLS #5109825; Listed by Ocean to Lakes Realty · Catherine McCauley · 603-475-2533

Property History

Estimated annual taxes for this property

YearEst. Tax
2024$18,700
2023$18,233
2022$17,765

Source: Owl’s Nest Real Estate estimate from the list price at New Hampshire’s average effective tax rate — not PrimeMLS or town assessor data. Verify with the town assessor.

Market Data

Live snapshot computed by Owl’s Nest Real Estate from PrimeMLS IDX active listings in this town

  • Active listings in Portsmouth122
  • Average list price$852,321
  • Price range$355,000 – $2,639,000

Mortgage Calculator

Estimate your monthly payment for this home

20%
Loan Term
6.5%
Estimated monthly payment$7,350 / mo
  • Principal & Interest$5,562
  • Property Tax$1,558
  • Home Insurance$229

Source: Owl’s Nest Real Estate estimate, not PrimeMLS data. Estimates use typical New Hampshire costs — a 1.7% effective property-tax rate, insurance at 0.25% of home value/yr, and PMI below 20% down. Actual town tax rates vary; verify with your lender and the town assessor.

Around This Property

Schools, everyday places and nearby destinations near 51 Islington Street, Portsmouth, NHSource: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.

ElementaryLittle Harbor School
MiddlePortsmouth Middle School
High SchoolPortsmouth
DistrictPortsmouth School District
$1,100,000/ Asking Price
For SaleActive

Listed by Ocean to Lakes Realty · Catherine McCauley · 603-475-2533

Est. $5,562 / mo20% down · 30yr · 6.5%

Owl’s Nest Real Estate estimate, not MLS data.

Tom DeMatteo

Tom DeMatteo

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Questions About This Listing

How much does 51 Islington Street cost?

51 Islington Street in Portsmouth, NH is listed at $1,100,000.

That works out to about $857 per square foot.

What area is 51 Islington Street in?

The property is in Portsmouth, New Hampshire (03801).

Is 51 Islington Street still available?

The listing's current MLS status is Active. Reach out and we can confirm availability and arrange a showing.

How many bedrooms and bathrooms does 51 Islington Street have?

The home has 2 bedrooms and 2 bathrooms.

It offers 1,284 square feet of living space.

PrimeMLS

NOTE: This representation is based in whole or in part on data generated by PrimeMLS, Inc., which assumes no responsibility for its accuracy. The data relating to real estate displayed on this site comes in part from the IDX Program of PrimeMLS.

This listing data is intended for consumers’ personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data last updated 10/26/26.