James Karpowicz
Property Description
Rare North Fork Beachfront estate, shy 3.25 acre compound! The main house features over 3,000 sq. ft. of living space and the beach house offers approximately 1,600 sq. ft. A powder white sandy path leads to a gorgeous private beach with 116+ ft. of waterfront. Enjoy panoramic water views of the sparkling Long Island Sound and enchanting sunsets with this incredible property that presents a multitude of opportunities for its next owner. Listed as a compound but also separately: see 3645 Soundview Ave - the main house (MLS #1007876) and 3651 Soundview Ave - the beach house (MLS #1009245). Please note that this compound listing reflects 3645 Soundview Avenue in fields where only one property's information can be displayed. Please note that combined information of both properties is also displayed where permissible.
3645 And 3651 Soundview Avenue | MLS# 1049858
This single family home located at 3645 And 3651 Soundview Avenue, Peconic, NY 11958 is currently listed for sale with an asking price of $6,200,000. This property was built in 1986 and has 7 bedrooms and 4 full and 1 partial baths with 4628 sq. ft. And 3651 Soundview Avenue is located within the Mattituck-Cutchogue school district. Search Peconic real estate on james-karpowicz.timberlandproperties.com today.
Gallery
Property Features
Property Type: Residential - Single Family
Basement: Yes
Basement: Full
Cooling: Central Air, Ductless, Multi Units
Garage: 3
Heating: Electric, Heat Pump, Oil
Home Style: Colonial
Lot Size: 3.24 Acres
Taxes: $29,067
Year Built: 1986
Amenities
First Floor Bedroom
Feature Descriptions
Appliances: Dishwasher, Dryer, Freezer, Range, Refrigerator, Washer
Attic: Full
Beach Rights: Y
Days on Site: 19
Exterior: Frame, Stucco
Fireplace Y/N: Yes
Flooring: Hardwood, Tile
Frontage: 116
GarageY/N: Yes
Number Of Kitchens: 2
On Market Date: 2026-09-24
Parcel Number: 1000-068-00-01-00-014-001
Parking Features: Attached, Detached, Driveway
Rental Term: Monthly
Rooms Total: 14
Sewer: Cesspool
Special View Info: Open, Panoramic, Trees/Woods, Water
Utilities: Electricity Connected, Trash Collection Private, Water Connected
Water: Well
Waterfront Features: Beach Access, Beach Front, Sound, Water Access, Waterfront
Local Schools
High School: Mattituck Junior-Senior High School
Middle School: Mattituck Junior-Senior High School
Elementary School: Mattituck-Cutchogue Elementary Sch
School District: Mattituck-Cutchogue
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3645 And 3651 Soundview Avenue, Peconic, NY 11958
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Estimated Payment
$ 18,029.10 per month $13,798.51 Principal & Interest $2,422.25 Property Tax $1,808.33 Homeowner's InsuranceChange Payment Information
Demographics
Listed By / Shown By
Listing By
Agency Name: Compass Greater NY LLC
Agency Contact: 516-214-7761
Shown By
Agent Name: James Karpowicz
Agent Phone: (646) 942-8421 Cell
Agency Title: Timberland Properties
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3645 And 3651 Soundview Avenue, Peconic, NY 11958
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