317 Old Mill Road
Closed 9/24/25
Closed 9/24/25
Description
Welcome to "The Hill Valley House," where timeless design and modern luxury come together in perfect harmony. Completed in 2023 with no expense spared, this one-of-a-kind custom estate sits on 2.66 acres of lush, private grounds and offers an extraordinary blend of timeless design and cutting-edge innovation. Step inside to experience an ambiance of sophistication and comfort, with soaring 10' ceilings throughout, high-end custom treatments, and impeccable finishes. The grand great room is anchored...Welcome to "The Hill Valley House," where timeless design and modern luxury come together in perfect harmony. Completed in 2023 with no expense spared, this one-of-a-kind custom estate sits on 2.66 acres of lush, private grounds and offers an extraordinary blend of timeless design and cutting-edge innovation. Step inside to experience an ambiance of sophistication and comfort, with soaring 10' ceilings throughout, high-end custom treatments, and impeccable finishes. The grand great room is anchored by a stunning dual-sided gas stone fireplace and flows seamlessly into the heart of the home—a spectacular, state-of-the-art gourmet kitchen. Designed for both beauty and function, this culinary showpiece features rich custom wood cabinetry, sleek quartzite countertops with a dramatic waterfall edge, and a large center island with ample seating—perfect for casual dining or elegant entertaining. The kitchen is fully outfitted with top-tier stainless steel appliances, including a professional-grade six-burner gas stove, wine fridge, and an inviting dinette area that overlooks the tranquil backyard. The first-floor primary suite is a true sanctuary, boasting walls of glass that invite nature in and a spa-inspired ensuite with exquisite tilework, a soaking tub, walk-in shower, custom wood double vanity, and a spacious walk-in closet. A private first-floor office adds convenience and flexibility. Upstairs, three additional bedrooms each feature their own ensuite baths, including one with a private rooftop deck. A second-floor entertainment area with built in speakers and walk-in storage room or office complete the upper level. One of the crown jewels of "The Hill Valley House" is the screened-in porch—a luxurious outdoor haven designed for year-round enjoyment. Featuring double French doors, a dramatic dual stone gas fireplace, built-in infrared heaters, and a refined dining area, this exceptional space merges indoor elegance with outdoor serenity. The finished basement includes a dedicated home gym and a vast unfinished area with endless potential—ideal for a media room, wine cellar, or additional living space tailored to your lifestyle. Adding to the home’s long list of luxuries are a state-of-the-art solar panel system, whole-house water purification, advanced backup power system, smart home technologies, as well as an oversized three-car garage. Outside, your personal resort awaits—with a heated 19'x36' saltwater in-ground pool, cozy fire pit, and expansive patios—perfect for entertaining or peaceful relaxation. The Hill Valley House offers a lifestyle that feels like a permanent vacation—set on lush, resort-like grounds, yet just minutes from Long Island Sound beaches, local marinas, restaurants, charming town shops, and Stony Brook University. Truly, no detail was overlooked in the creation of this exceptional home. From its superior construction to its thoughtfully curated finishes, this is more than a home—it’s a lifestyle. Make this dream property yours today.
LISTING CLOSED: 09/24/2025 12:00 AM
- Listed by Bonnie Glenn • Daniel Gale Sothebys Intl RltyP: (631)-584-6600 C: (631)-921-1494 bonnieglenn@yahoo.com
Property Details for 317 Old Mill Road
Status
MLS #
878416
Days on Market
9
Taxes
$41,090 / year
HOA Fees
-
Condo/Co-op Fees
-
Property Type
MLS Type
Single Family
Year Built
2023
Lot Size
2.66 AC / 115,870 SF
County
City/Township
Smithtown
Architectural Style
Colonial, Farmhouse
Garage Spaces
3
Waterfront
No
Section Area
Moriches Rd.
Location
Listing Courtesy of Daniel Gale Sothebys Intl Rlty, Bonnie Glenn
Sold By Serhant LLC, Lawrence J. Burkhard
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Building Information for 317 Old Mill Road
Stories-Year Built2023Building Size-Lot Size2.66 AC / 115,870 SF
Payment Calculator
$17,651 per month
30 year fixed, 6.55% Interest
Principal and Interest
$14,227
Property Taxes
$3,424
HOA Dues
$0
The Payment Calculator is for illustrative purposes only.
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1Property Information for 317 Old Mill Road
Summary
Location and General Information
- Village: Nissequogue
- Senior Community YN: No
- MLS District Code: 802
- Directions: 25A to Moriches Rd./ Left on Old Mill Rd/ follow to #317 on left. OR Edgewood Ave to River Rd./ Bear right on Old Mill Rd. to #317 on right
- Tax Block: 1
- Tax Lot: 004.004
- Property Attached: No
- Structure Type: Detached
- Levels: Three Or More
- Property Condition: Actual
- State Or Province: NY
School Information
- School District: Smithtown
- Elementary School District: Smithtown
- Elementary School: St James Elementary School
- Middle Or Junior School District: Smithtown
- Middle Or Junior School: Nesaquake Middle School
- High School District: Smithtown
- High School: Smithtown High School-East
Rental
Rental
- Lease Considered: No
Unit Information
Unit Information
- Building Units Total: 1
Room Information
Room 1 Information
- Room Level: Basement
- Room Type: Basement
- RoomDescription 1: Full Basement with 10' Ceilings- gym, storage room, huge unfinished area, utilities
Room 2 Information
- Room Level: First
- Room Description: Entry foyer, formal dining room, Great Room with gas fireplace, Eat-in-Kitchen with center island & dinette, office, .5 bath, laundry
Room 3 Information
- Room Level: First
- Room Type: Primary Bedroom
- Room Description: Beautiful Primary Bedroom Suite with Wall of Windows Overlooking the Backyard and Pool, Large Walk In Closet
Room 4 Information
- Room Level: First
- Room Type: Primary Bathroom
- Room Description: Spa Like Full Primary Ensuite with Custom Vanity, Tub, Huge Walk In Shower
Room 5 Information
- Room Level: Second
- Room Description: 3 Additional Bedrooms- Each with their Own Private Bathrooms (3), Entertainment/Coffee Bar Lounge Area, Office or Walk in Storage Area. Small Private Deck
Taxes and HOA Information
Taxes and HOA Information
- Parcel Number: 0802-012-00-01-00-004-004
- Included In Taxes: Trash
- Tax Source: Municipality
- Tax Year: 2025
- Association: No
Interior and Exterior Features
Interior Features
- Amenities: 1st Floor Bedrm, Back Yard, Balcony, Bidet, Breakfast Bar, Built-in Features, Cathedral/Vaulted/High Ceiling, Ceiling Fan(s), Ceramic Tile, Chefs Kitchen, Colonial, Covered, Double Pane Windows, Double Vanity, ENERGY STAR Qualified Door(s), ENERGY STAR Qualified Windows, Eat in Kitchen, Electric Dryer Hookup, Entrance Foyer, Farmhouse, Fenced, Fire Pit, First Floor Full Bath, Formal Dining, Gas, Granite Counters, Hardwood Floors As Seen, High Ceilings, High Speed Internet, In Ground, Inside, Insulated Windows, Kitchen Island, Laundry Room, Living Room, Low Flow Plumbing Fixtures, Mailbox, Open Floorplan, Open Kitchen, Outdoor Pool, Pantry, Partial, Patio, Pool Cover, Porch, Primary Bathroom, Public, Quartz/Quartzite Counters, Rain Gutters, Recessed Lighting, Salt Water, Screened, Security System, Smart Thermostat, Smoke Detector(s), Soaking Tub, Storage, Video Cameras, Vinyl, Walk In Closet, Washer Hookup, Washer/Dryer Hookup, Wet Bar, Wired for Sound
- Interior Features: First Floor Bedroom, First Floor Full Bath, Bidet, Breakfast Bar, Built-in Features, Cathedral Ceiling(s), Ceiling Fan(s), Chefs Kitchen, Double Vanity, Eat-in Kitchen, ENERGY STAR Qualified Door(s), Entrance Foyer, Formal Dining, Granite Counters, High Ceilings, High Speed Internet, Kitchen Island, Low Flow Plumbing Fixtures, Primary Bathroom, 1st Fl Master Bedroom, Open Floorplan, Open Kitchen, Pantry, Quartz/Quartzite Counters, Recessed Lighting, Smart Thermostat, Soaking Tub, Storage, Walk-In Closet(s), Washer/Dryer Hookup, Wet Bar, Wired for Sound
- Appliances: Convection Oven, Dishwasher, Dryer, Electric Oven, Electric Water Heater, ENERGY STAR Qualified Appliances, Exhaust Fan, Gas Range, Humidifier, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer, Water Purifier Owned, Wine Refrigerator
- Number Of Kitchens: 1
- Total Rooms: 11
- Primary on Main: Yes
- Basement: Full, Partially Finished, Storage Space
- Attic Description: Partial,Pull Stairs
- Fireplace: Yes
- Fireplaces Total: 1
- Fireplace Features: Gas, Living Room
- Location Amenities: Stainless Steel Appliances, Balcony, Hardwood Floors As Seen, 1st Fl Master Bedroom, Bidet, Cathedral/Vaulted/High Ceiling, Chef's Kitchen, Dual Sinks, Eat in Kitchen, Entry Foyer, Foyer, Formal Dining Room, Granit Countertops, High Ceilings, High Speed Internet, Island Kitchen, Open Kitchen, Pantry, Soacking Tub, Storage, Walk In Closet, WD Hookup, Wetbar, Privacy, Patio, Porch, In Ground Pool, Pool Outdoor, Security System, Double Paned Windows, Energy Star Windows
- Laundry Features: Electric Dryer Hookup, Inside, Laundry Room, Washer Hookup
- Security Features: Security System, Smoke Detector(s), Video Cameras
- Window Features: Double Pane Windows, ENERGY STAR Qualified Windows, Insulated Windows
- Flooring: Ceramic Tile, Hardwood
- Living Area: 4250
- Foundation Details: Concrete Perimeter
- Basement: Yes
Exterior Features
- Exterior Features: Balcony, Fire Pit, Mailbox, Rain Gutters
- Exterior Property Features: Balcony, Fire Pit, Mailbox, Rain Gutters, Fenced, In Ground, Outdoor Pool, Pool Cover, Salt Water, Vinyl, Covered, Patio, Porch, Screened, Driveway, Garage, Garage Door Opener, Private, Back Yard, Partial, Double Pane Windows, ENERGY STAR Qualified Windows, Insulated Windows, Front Yard, Landscaped, Level, Part Wooded, Sprinklers In Front
- Elevation Certificate: No
- Fencing: Back Yard, Partial
- Patio And Porch Features: Covered, Patio, Porch, Screened
- Construction Materials: Advanced Framing Technique, Cedar, Frame, HardiPlank Type
- Road Responsibility: Public Maintained Road
- Horse: No
- Pool Private: Yes
- Pool Features: Fenced, In Ground, Outdoor Pool, Pool Cover, Salt Water, Vinyl
- Pool Details: Fenced,In Ground,Outdoor Pool,Pool Cover,Salt Water,Vinyl
Lot Information
- Lot Features: Back Yard, Front Yard, Landscaped, Level, Part Wooded, Private, Sprinklers In Front
- Additional Parcel: No
- Site Features: Back Yard, Front Yard, Landscaped, Level, Part Wooded, Private, Sprinklers In Front
- Building Area Units: Square Feet
Parking
- Parking Features: Driveway, Garage, Garage Door Opener, Private
- Garage: Yes
- Carport: No
Utilities
- Cooling: Central Air
- Heating: Electric, ENERGY STAR Qualified Equipment, Forced Air, Heat Pump, Propane, Solar
- Heat Fuel Type: Electric, ENERGY STAR Qualified Equipment, Forced Air, Heat Pump, Propane, Solar
- Number Of Heating Zones: 3
- Sewer: Septic Tank
- Water Source: Public
- Utilities: Cable Available, Electricity Available, Propane, Trash Collection Public, Water Available
Green Features
- Green Features: Double Pane Windows, ENERGY STAR Qualified Windows, Insulated Windows, Convection Oven, Dishwasher, Dryer, Electric Oven, Electric Water Heater, ENERGY STAR Qualified Appliances, Exhaust Fan, Gas Range, Humidifier, Microwave, Refrigerator, Stainless Steel Appliance(s), Washer, Water Purifier Owned, Wine Refrigerator, Electric, ENERGY STAR Qualified Equipment, Forced Air, Heat Pump, Propane, Solar, Balcony, Fire Pit, Mailbox, Rain Gutters, Fenced, In Ground, Outdoor Pool, Pool Cover, Salt Water, Vinyl
- Green Energy Generation: Solar
Virtual Tour
- Virtual Tour URL Unbranded: https://media.showingtimeplus.com/sites/jnwmokg/unbranded
- Virtual Tour URL Branded: https://media.showingtimeplus.com/sites/317-old-mill-rd-nissequogue-ny-11780-16636690/branded
Agent
Payment and Rate
- Down Payment Resource: No
Property History for 317 Old Mill Road
| Date | Event & Source | Price | Appreciation |
|---|---|---|---|
| Sep 24, 2025 | Sold ONEKEY #878416 | $2,799,000 | — |
| Jul 9, 2025 | Pending ONEKEY #878416 | — | |
| Jun 25, 2025 | Temporarily Off Market ONEKEY #878416 | $2,799,000 | — |
| Jun 16, 2025 | Listed (Active) ONEKEY #878416 | $2,799,000 | — |
| Aug 7, 2020 | Sold (Public Record) Public Record #685370457 | $400,000 | — |
| Date | Event & Source | Price |
|---|---|---|
| 09/24/2025 | Sold ONEKEY #878416 | $2,799,000 |
| 07/09/2025 | Pending ONEKEY #878416 | — |
| 06/25/2025 | Temporarily Off Market ONEKEY #878416 | $2,799,000 |
| 06/16/2025 | Listed (Active) ONEKEY #878416 | $2,799,000 |
| 08/07/2020 | Sold (Public Record) Public Record #685370457 | $400,000 |
For completeness, we often displays two records for one sale: the MLS record and the public record.
Public Records for 317 Old Mill Road
Taxable ValueLand$1,550Additions$15,805Total$17,355
Tax Record2024$35,933 ($2,994 / month)
Home Facts
Beds4Baths4.5Total Finished SqFt4,247 SqFtAbove Grade Finished SqFt4,247 SqFtStories2Lot Size115,870 SqFtStyleSingle Family ResidenceYear Built2023Year Renovated2023CountySUFFOLKAPN0802-012.00-01.00-004.004
Schools near 317 Old Mill Road
This home is within Smithtown Central School District.
Rating | School | Type | Grades | Distance |
|---|---|---|---|---|
| Public - | K to 5 | |||
| Public - | 6 to 8 | |||
| Public - | 9 to 12 | |||
| Public - | 6 to 8 |
Rating | School | Distance |
|---|---|---|
Saint James Elementary School PublicK to 5 | ||
Nesaquake Middle School Public6 to 8 | ||
Smithtown High School East Public9 to 12 | ||
Great Hollow Middle School Public6 to 8 |
School ratings and boundaries are provided by GreatSchools.org and Pitney Bowes. This information should only be used as a reference. Proximity or boundaries shown here are not a guarantee of enrollment. Please reach out to schools directly to verify all information and enrollment eligibility.
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Nearby home values
| Address | Sold price | Beds | Baths | Sqft | Lot (Sqft) |
|---|---|---|---|---|---|
This home: 317 Old Mill Road, Nissequogue, NY 11780 | $2,799,000 | 4 | 5 | 4,250 | 115,870 |
$400,000 | – | – | – | 115,870 | |
$2,350,000 | 5 | 6 | – | 118,483 | |
$532,000 | 3 | 3 | – | 104,980 | |
– | – | – | – | 95,832 | |
$625,000 | – | – | – | 108,900 | |
– | 4 | 2.5 | 2,616 | 84,506 | |
$750,000 | – | – | – | 103,237 | |
– | 4 | 2 | 1,920 | 109,336 | |
$1,070,000 | 4 | 4 | – | 123,710 | |
$7,400,000 | – | – | – | 100,188 | |
$999,000 | 4 | 5 | – | 87,120 | |
$835,000 | 5 | 4 | – | 98,010 | |
– | 4 | 3.5 | 4,025 | 107,593 | |
$780,000 | 4 | 3 | – | 90,000 |
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No guarantee, warranty or representation of any kind is made regarding the completeness or accuracy of any information, descriptions or measurements (including square footage measurements and property condition), such should be independently verified through appropriate means, including, but not limited to, in person inspection and public records, and Compass International Holdings, its subsidiaries, affiliates and independently owned and operated franchisees, and their affiliated agents and associated third parties expressly disclaim any liability in connection therewith. Photos may be virtually staged or digitally enhanced and may not reflect actual property conditions. Offers of compensation are subject to change at the seller's discretion. No financial or legal advice provided. Equal Housing Opportunity.
Listing Courtesy of Daniel Gale Sothebys Intl Rlty, Bonnie Glenn
Based on information submitted to the MLS GRID as of 09/25/2025 12:45 PM. All data is obtained from various sources and may not have been verified by broker or MLS GRID. Supplied Open House Information is subject to change without notice. All information should be independently reviewed and verified for accuracy. Properties may or may not be listed by the office/agent presenting the information. Properties displayed may be listed or sold by various participants in the MLS. IDX information is provided exclusively 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. The data is deemed reliable but is not guaranteed by MLS GRID. Use of the MLS GRID data may be subject to an end user license agreement prescribed by the applicable MLS of the Member Participant, if any, and as amended from time to time.
