Skip to main content

MLS ID KEY989909Last updated Oct 28, 2026

Single Family

7 Mortimer Street

Active · Southampton · Suffolk County, NY 11978

Bedrooms
5 Beds
Bathrooms
5 Baths
Year built
1989
Est. monthly taxes
$744

Upcoming open house

Property gallery0 / 35
Loading photo…Photo unavailable

About this home

Experience refined Hamptons living in this beautifully renovated Colonial, ideally located south of the highway in the Village of Westhampton Beach. Set on nearly half an acre, this turnkey residence blends timeless style with modern upgrades, offering the perfect retreat for both year-round living and summer escapes. This spacious two-story home features 5 generously sized bedrooms and 5 full bathrooms, including a convenient first-floor junior primary suite. The thoughtfully designed interior boasts an eat-in kitchen with sleek quartz countertops, stainless steel appliances, and high-end finishes. Hardwood flooring flows seamlessly across the home, complemented by bright living and dining areas ideal for entertaining. A finished lower level adds valuable flexible space for recreation or a home office. Comfort is ensured year-round with hydronic heating, three-zone climate control, and central air conditioning. Outdoors, enjoy your private backyard oasis, complete with a heated 20x40 in-ground pool, patio with firepit, covered porch, and outdoor shower -perfect for relaxing after a day at the beach. The fully fenced property also includes an irrigation system, attached garage, and ample driveway parking. Located within the Westhampton Beach School District and available for summer 2026 occupancy, this exceptional offering combines location, luxury, and lifestyle.

Listing snapshot

Days on site
59 days
Listed on MLS
Apr 23, 2026
Full baths
5
Half baths
0
Annual property tax (MLS)
$8,928
Tax year
2025
Area source (MLS)
Plans
Listing brokerage
Brown Harris Stevens W Hampton
MLS ID
KEY989909
Last updated
Oct 28, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1989
Garage
Yes
Garage spaces
1
Parking
Driveway
Water source
Public
Sewer
Cesspool
Utilities
Propane

Interior features

Basement
Finished
Heating
Hydro Air
Cooling
Central Air
Interior
First Floor Bedroom, First Floor Full Bath, Eat-in Kitchen, Quartz/Quartzite Counters
Appliances
Dishwasher, Dryer, Gas Range, Microwave, Refrigerator, Stainless Steel Appliance(s), Tankless Water Heater, Washer
Flooring
Hardwood
Fireplace
No

Exterior features

Architectural style
Colonial
Construction materials
Cedar, Frame
Private pool
Yes

Schools (MLS)

Elementary school
Westhampton Beach Elem School
Elementary school district
Westhampton Beach
Middle school
Westhampton Middle School
Middle school district
Westhampton Beach
High school
Westhampton Beach Senior High Sch
High school district
Westhampton Beach

School information is provided by the MLS. Confirm attendance eligibility with the school district.

Recent activity

  1. Listing updated from MLS
  2. First seen on this site
  3. MLS status changed

Location

Southampton · Suffolk County, NY 11978Show interactive map
7 Mortimer Street

Southampton · Suffolk County, NY 11978

Google Maps directions

Estimate monthly payment

Loan detailsFixed-rate, fully amortizing loan. Edit the assumptions below; no market rate is supplied.
Property expenses (USD)
MLS amounts are prefilled when available and can be edited. Confirm what fees include. Unknown fee frequencies cannot be converted automatically.Property expenses: MLS values where available; missing values stay blank.

Estimated monthly principal & interest—

Monthly property taxNot provided

Monthly association / maintenance feesNot provided

Estimated monthly total of entered costs—

Excludes insurance, mortgage insurance, special assessments and lender fees. MLS taxes may reflect abatements or exemptions and can change.

Listing data is supplied by the MLS and may change without notice.