CarolineBaker
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Property Description

Beautifully maintained and move-in ready, this 3-bedroom, 2.5-bath home is nestled on a peaceful 0.43-acre property in the heart of Stony Brook, north of 25A. Designed for both everyday living and entertaining, the home features an inviting open floor plan with vaulted ceilings, hardwood floors throughout (including beneath the bedroom carpeting), abundant storage, and a spacious primary suite with an ensuite bath and organized walk-in closets. The thoughtfully designed kitchen offers radiant heated floors, a skylight, granite countertops, custom cabinetry, and a new LG stainless steel refrigerator. Recent updates include central air (2024), roof, siding, and gutters (2018), a new washing machine, and a new refrigerator.Additional highlights include an in-ground sprinkler system 8-zone, generator transfer switch, retractable electric awning, and exceptional storage throughout. Private backyard featuring a spacious deck, bluestone patio, and an in-ground pool with a waterfall and newer liner-perfect for summer entertaining or relaxing at home. Pull-down attic storage, 2 car garage, extended Belgian block-lined driveway with ample parking. Located in the highly regarded Three Village School District (Setauket Elementary, Gelinas Middle School, and Ward Melville High School), this home is just minutes from Stony Brook University, Stony Brook Village, West Meadow Beach, the Port Jefferson Ferry, parks, shopping, restaurants, and major commuter routes. Experience the perfect combination of comfort, convenience, and North Shore living.

12 William Penn Drive | MLS# 1031434

This single family home located at 12 William Penn Drive , Stony Brook, NY 11790 is currently listed for sale with an asking price of $769,000. This property was built in 1958 and has 3 bedrooms and 2 full and 1 partial baths with 1711 sq. ft. William Penn Drive is located within the Three Village school district. Search Stony Brook real estate on caroline-baker.coldwellbankerprime.com today.

Upcoming Open Houses

Open House Friday July 31st, 4:00pm - 6:00pm
Open House Saturday August 1st, 12:00pm - 2:00pm
Open House Sunday August 2nd, 12:00pm - 2:00pm

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Property Features

Property Type: Residential - Single Family
Basement: Finished, Storage Space
Basement: Yes
Cooling: Central Air
Fenced: Yes
Fireplaces: 1
Garage: 2
Heating: Baseboard, Oil, Radiant, Radiant Floor
Home Style: Split Level
Lot Size: 0.43 Acres
Taxes: $17,634
Year Built: 1958

Amenities

Built-in Features
Cathedral Ceiling(s)
Crown Molding
Formal Dining
Granite Counters
High Ceilings
His and Hers Closets
Open Floorplan
Primary Bathroom
Master Downstairs
Recessed Lighting
Speakers
Storage
Walk-In Closet(s)
Washer/Dryer Hookup
Wired for Sound
Awning(s)

Feature Descriptions

Appliances: Cooktop, Dishwasher, Dryer, Oven, Refrigerator, Stainless Steel Appliance(s), Washer
Attic: Pull Stairs
Exterior: Frame
Fireplace Features: Wood Burning
Fireplace Y/N: Yes
Flooring: Hardwood
Formal Dining: Yes
GarageY/N: Yes
Heating Zones: 2
Laundry: In Basement
Number Of Kitchens: 1
On Market Date: 2026-07-30
Parcel Number: 0200-154-00-03-00-004-000
Parking Features: Driveway
Patio And Porch: Patio, Porch
Pool Features: Fenced, In Ground
Rental Term: Monthly
Rooms Total: 7
Security: yes
Security Features: Security System
Sewer: Cesspool
Swimming Pool: Yes
Utilities: Cable Connected, Electricity Connected, Water Connected
Water: Public

Local Schools

High School: Ward Melville Senior High School
Middle School: Paul J Gelinas Junior High School
Elementary School: Setauket Elementary School
School District: Three Village

Estimate Your Payment

Estimated Payment

$ 3,405.25 per month $1,711.46 Principal & Interest $1,469.50 Property Tax $224.29 Homeowner's Insurance

Change Payment Information

%
years/fixed
yearly
yearly (est.)
(Payments are an estimate and may vary by lender)

Demographics

Listed By / Shown By

Listing By

Agency Name: Real Broker NY LLC
Agency Contact: 516-972-0051

Shown By

Agent Name: Caroline Baker
Agent Phone: (518) 502-4186 Cell
Agency Title: Coldwell Banker Prime Properties

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Disclaimer: All information deemed reliable but not guaranteed. All properties are subject to prior sale, change or withdrawal. Neither listing broker(s) or information provider(s) shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. Listing(s) information is provided 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. Information on this site was last updated 07/31/2026. The listing information on this page last changed on 07/31/2026. The data relating to real estate for sale on this website comes in part from the Internet Data Exchange program of Delta Media Group MLS (last updated Fri 07/31/2026 12:00:43 AM EST) or Global MLS (last updated Thu 07/30/2026 11:52:35 PM EST) or New York State Alliance MLS (last updated Thu 07/30/2026 11:59:25 PM EST) or Hudson Valley Catskill Region MLS (last updated Thu 07/30/2026 11:51:22 PM EST) or Berkshire MLS (last updated Thu 07/30/2026 8:13:22 PM EST) or OneKey MLS (last updated Thu 07/30/2026 11:53:35 PM EST). Real estate listings held by brokerage firms other than Coldwell Banker Prime Properties may be marked with the Internet Data Exchange logo and detailed information about those properties will include the name of the listing broker(s) when required by the MLS. All rights reserved.

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C.B. Prime Properties, Inc. fully supports the principles of the Fair Housing Act and the Equal Opportunity Act. Each franchise is independently owned and operated.

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