401 Islington Street, Portsmouth, NH

401 Islington Street in Portsmouth, NH is listed for $355,000 on PrimeMLS.

That is about $784 per square foot of finished living space.

It came on the market on October 5, 2026.

401 Islington Street in Portsmouth, NH has 1 bedroom and 1 bathroom in 453 square feet of finished living space.

Annual property taxes on 401 Islington Street in Portsmouth, NH are $3,856 for the 2025 tax year, per the MLS.

New Hampshire towns set their own tax rates and revalue periodically, so confirm the current bill with the Portsmouth assessing office.

The association fee for 401 Islington Street in Portsmouth, NH is $226 (monthly), per the MLS.

The MLS lists the fee as covering heat, hot water, landscaping, plowing, sewer and water.

Ask for the association documents and budget to see exactly what the fee covers.

401 Islington Street in Portsmouth, NH is heated by natural gas and hot water, per the MLS.

The MLS lists no cooling system.

401 Islington Street in Portsmouth, NH has public water and public sewer, per the MLS.

MLS details — water: public; sewer: public.

Electric: circuit breakers.

Other utilities: cable and gas on-site.

Yes. 401 Islington Street in Portsmouth, NH has a basement with interior access.

The MLS describes it as unfinished.

The MLS lists these appliances at 401 Islington Street in Portsmouth, NH: disposal, dryer, microwave, refrigerator, electric stove and washer; confirm which ones convey in the purchase agreement.

The MLS lists no garage at 401 Islington Street in Portsmouth, NH; parking is off a common/shared and paved driveway.

Parking details: paved.

The MLS places 401 Islington Street in Portsmouth, NH in the Portsmouth school district.

Listed schools: Little Harbor School (elementary), Portsmouth Middle School (middle) and Portsmouth (high).

School assignments can change; confirm with the district.

Yes. 401 Islington Street in Portsmouth, NH is listed as Active on PrimeMLS (MLS #5112869).

Status can change quickly; contact us to confirm availability before you visit.

401 Islington Street in Portsmouth, NH is listed by Emil Uliano of Great Island Realty LLC (603-433-3350).

Owl's Nest Real Estate shows it through the PrimeMLS IDX feed; we are not the listing brokerage.

401 Islington Street in Portsmouth, NH is a condominium built in 1840.

The MLS lists its style as Conversion, with one story.

401 Islington Street is in Portsmouth, New Hampshire 03801, in Rockingham County.

At $355,000, 401 Islington Street in Portsmouth, NH is priced below the $659,900 median asking price of the 69 condos for sale in Portsmouth on PrimeMLS as of November 3, 2026 (this listing included).

That figure is Owl's Nest Real Estate's analysis of active listings, and asking prices are not sale prices — ask us for recent comparable sales before you make an offer.

To see 401 Islington Street in Portsmouth, NH, use Request a Showing on this page or call Owl's Nest Real Estate at 401-648-5308.

We can show any MLS-listed home and represent you as your buyer's agent; the listing brokerage represents the seller.