Skip to main content

MLS ID KEY1007876Last updated Oct 27, 2026

Single Family

3645 Soundview Avenue

Active · Southold · Suffolk County, NY 11958

Bedrooms
4 Beds
Bathrooms
3 Baths
Year built
1986
Est. monthly taxes
$1,518.83
Property gallery0 / 40
Loading photo…Photo unavailable

About this home

North Fork retreat! A powder white sandy path leads to a gorgeous private beach offering 116 ft. of waterfrontage while incredible sparkling Sound views, sunsets, and lush greenery set this property apart. Enjoy water views from the open concept main level and the expansive 800+ sq. ft. rear deck - perfect for lounging, al fresco dining and taking in the fresh sea air. With over 3,000 sq. ft. of living space and an unfinished basement that offers an additional shy 1,000 sq. ft. without the 2-car attached garage, there is ample space for entertaining and to accommodate large gatherings. The first level includes a living/dining room and kitchen that flow seamlessly into one another while walls of glass allow natural light to saturate the space and provide access to the deck. There is also a bonus room conveniently located on the first floor. The second level boasts an oversized 800+ sq. ft. primary suite - also with gleaming water views, which can be divided into two ensuites. Two additional bedrooms and a full bath complete this level. All baths are updated and there are new HVAC and water filtrations systems in place. There is oil heat with the oil tank located in the basement. This property is also offered as a compound. See 3651 Soundview Ave.

Listing snapshot

Days on site
59 days
Listed on MLS
Aug 29, 2026
Full baths
2
Half baths
1
Annual property tax (MLS)
$18,226
Tax year
2026
Area source (MLS)
Other
Listing brokerage
Compass Greater NY LLC
MLS ID
KEY1007876
Last updated
Oct 27, 2026

General features

Property type
Single Family
Property subtype
Single Family Residence
Year built
1986
Garage
Yes
Garage spaces
2
Parking
Attached, Driveway
Water source
Well
Sewer
Cesspool
Utilities
Cable Available, Electricity Connected, Trash Collection Private, Water Connected

Interior features

Basement
Unfinished
Heating
Oil
Cooling
Central Air
Interior
First Floor Full Bath, Breakfast Bar, Entrance Foyer, Open Floorplan, Open Kitchen, Primary Bathroom
Appliances
Dishwasher, Dryer, Freezer, Range, Refrigerator, Washer
Flooring
Hardwood, Tile
Fireplace
Yes
Fireplaces
2

Exterior features

Architectural style
Colonial
Construction materials
Stucco
Exterior
Fire Pit
Private pool
No

Schools (MLS)

Elementary school
Mattituck-Cutchogue Elementary Sch
Elementary school district
Mattituck-Cutchogue
Middle school
Mattituck Junior-Senior High School
Middle school district
Mattituck-Cutchogue
High school
Mattituck Junior-Senior High School
High school district
Mattituck-Cutchogue

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

Southold · Suffolk County, NY 11958Show interactive map
3645 Soundview Avenue

Southold · Suffolk County, NY 11958

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.