Listed by Coldwell Banker Realty Haverhill MA · Jessica Tomlinson · Off: 978-372-8577

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Single Family Residence · Seabrook, NH

ActiveFor SalePrice Reduced

277 Portsmouth Avenue, Seabrook, NH

$719,900

$739,900 · changed Oct 5, 2026

Est. $3,640/mo · 20% down, 30-yr, 6.5% (Owl’s Nest Real Estate estimate, not MLS data)

Beds
3
Baths
1
Sq Ft
933
Built
1950
MLS®
#5108470

Property Description

277 Portsmouth Avenue, Seabrook is a single-family home for sale in New Hampshire at $719,900. The property offers 3 bedrooms, 1 bathroom and 933 square feet of living space. Single-family ownership here means your own land, your own walls and room to make the property yours. The numbers worth knowing: a 0.11-acre lot, 1950 construction and roughly $772 per square foot. Scroll on for current photos, the complete spec sheet and this Seabrook listing's market context.

Whether you're looking for a seasonal cottage for your perfect summer plans or looking for land to build your dream home, this buildable lot in the Seabrook Beach district offers a lot of opportunity! Enjoy cove views in the rear while sitting on the three season porch or take a short walk to Seabrook Beach. Owned by one family for decades. Located in a known flood zone. Survey available, buyer responsible for all other due diligence. Property is occupied, please do not walk lot without appointment.

Location Highlights

277 Portsmouth Avenue is a single family residence in Seabrook, New Hampshire, listed at $719,900. That works out to about $772 per square foot, for a home built in 1950. It has been on the market for 8 weeks.

At this latitude, Seabrook averages roughly 8.3 hours of sun a day in June and 3.6 in December.

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
3
Total Baths
1
Full Baths
1
SqFt
933
Price / SqFt
$771.60
Property Type
Single Family Residence
Year Built
1950
County
NH-Rockingham
Town
Seabrook, NH
Status
Active
Days on Market
45

Primary Features

County
NH-Rockingham
Property Type
Residential
Year Built
1950
Zoning
BHP

Interior Features

Appliances
Domestic Water Heater, Dryer, Electric Range, Refrigerator, Washer
Basement
No
Basement Description
Crawl Space
1/4 Baths
0
3/4 Baths
0
Cooling
None
Electric
Circuit Breakers
Heating
Electric
Rooms - Total
5
SqFt-Approximate Finished Above Grade
933
SqFt-Approximate Finished Below Grade
0
SqFt Approximate Total Finished
933
SqFt Approximate Total
933

Financial Details

Tax - Gross Amount
$8,162
Tax Year
2025
Taxes TBD
No

Additional

Construction Status
Existing
Construction
Vinyl Siding
Covenants
Yes
Easements
No
Flood Zone
Yes
Pre-Construction
No
Property Sub Type
Single Family Residence
Seasonal
Yes
Total Stories
One and One Half
Surveyed
Yes
Timeshare/Fractional Ownership
No

External Features

Color
Grey
Driveway
Gravel
Foundation
Block
Garage
No
Lot Features
Level
Lot - Acres
0.11
Lot - SqFt
4,792
Parking
Parking Spaces 4, Unpaved
Road Frontage Type
Public
Road Frontage
Yes
Road Frontage Length
50
Roof
Asphalt Shingle
Sewer
Public
Utilities
Other
Water Source
Public
Water Body Type
River

MLS®: PrimeMLS #5108470; Listed by Coldwell Banker Realty Haverhill MA · Jessica Tomlinson · Off: 978-372-8577

Property History

Estimated annual taxes for this property

2024
$12,238
2023
$11,932
2022
$11,626

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 Seabrook
32
Average list price
$799,150
Price range
$175,000 – $2,999,000

Mortgage Calculator

Estimate your monthly payment for this home

Loan Term

Estimated Monthly Payment

$4,810/ mo

Principal & Interest
$3,640
Property Tax
$1,020
Home Insurance
$150

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 277 Portsmouth Avenue, Seabrook, NH

Source: Google Maps Platform (Places) and Owl’s Nest Real Estate — not PrimeMLS data.

Questions About This Listing

How big is 277 Portsmouth Avenue?

277 Portsmouth Avenue in Seabrook, NH has 3 bedrooms and 1 bathroom in 933 square feet of finished living space.

What is the asking price of 277 Portsmouth Avenue?

277 Portsmouth Avenue in Seabrook, NH is listed for $719,900 on PrimeMLS.

That is about $772 per square foot of finished living space.

It came on the market on September 6, 2026.

Does 277 Portsmouth Avenue have town water and sewer?

277 Portsmouth Avenue in Seabrook, NH has public water and public sewer, per the MLS.

MLS details — water: public; sewer: public.

Electric: circuit breakers.

Is there a basement at 277 Portsmouth Avenue?

No. The MLS lists no basement at 277 Portsmouth Avenue in Seabrook, NH.

What features does 277 Portsmouth Avenue have?

The MLS lists these appliances at 277 Portsmouth Avenue in Seabrook, NH: domestic water heater, dryer, electric range, refrigerator and washer; confirm which ones convey in the purchase agreement.

Does 277 Portsmouth Avenue have a garage?

The MLS lists no garage at 277 Portsmouth Avenue in Seabrook, NH; parking is off a gravel driveway.

Parking details: parking spaces 4 and unpaved.

Is 277 Portsmouth Avenue still available?

Yes. 277 Portsmouth Avenue in Seabrook, NH is listed as Active on PrimeMLS (MLS #5108470).

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

Who is the listing agent for 277 Portsmouth Avenue?

277 Portsmouth Avenue in Seabrook, NH is listed by Jessica Tomlinson of Coldwell Banker Realty Haverhill MA (978-372-8577).

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

What kind of property is 277 Portsmouth Avenue?

277 Portsmouth Avenue in Seabrook, NH is a single-family home built in 1950.

The MLS lists its style as Cape, Cottage/Camp, with one and a half stories.

The MLS marks it as a seasonal property, so check year-round access and systems.

Where is 277 Portsmouth Avenue located?

277 Portsmouth Avenue is in Seabrook, New Hampshire 03874, in Rockingham County.

How much land comes with 277 Portsmouth Avenue?

277 Portsmouth Avenue in Seabrook, NH sits on 0.11 acres, per the MLS.

The lot is described as level.

It has 50 feet of road frontage (public).

Zoning: BHP.

The MLS says the lot has been surveyed.

The MLS lists the property in a flood zone; check the FEMA flood map and insurance costs.

The MLS notes covenants; review them in the deed and title work.

How much are the property taxes on 277 Portsmouth Avenue?

Annual property taxes on 277 Portsmouth Avenue in Seabrook, NH are $8,162 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 Seabrook assessing office.

How is 277 Portsmouth Avenue heated?

277 Portsmouth Avenue in Seabrook, NH is heated by electric, per the MLS.

The MLS lists no cooling system.

How does the price of 277 Portsmouth Avenue compare with other Seabrook listings?

At $719,900, 277 Portsmouth Avenue in Seabrook, NH is priced below the $772,450 median asking price of the 12 single-family homes for sale in Seabrook 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.

How do I schedule a showing of 277 Portsmouth Avenue?

To see 277 Portsmouth Avenue in Seabrook, 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.

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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 11/02/26.