For sale

$2,699,000

301 Old Mill Road, Saint James, NY 11780

6beds

6,050sqft

Single Family Residence, Residential

Built in 2026

1.17 Acres Lot

$-- Zestimate^®

$446/sqft

$-- HOA

What's special

Soaring ceilingsElegant living spacesDistinctive copper roof accentsImpeccable craftsmanship throughoutRefined modern luxuryTimeless architectureThoughtfully curated finishes

Welcome to 301 Old Mill Road, a masterfully crafted custom-built new construction nestled on a private lot backing directly to protected preserve land, offering exceptional privacy in the heart of Saint James. Designed with extraordinary attention to detail, this exceptional 6-bedroom, 4-bath residence blends timeless architecture with refined modern luxury, showcasing soaring ceilings, elegant living spaces, thoughtfully curated finishes, distinctive copper roof accents, and impeccable craftsmanship throughout. Additional highlights include a gourmet chef’s kitchen and an expansive lower level with 9-foot ceilings and egress, offering endless possibilities. Every detail reflects quality, comfort, and thoughtful design, creating a truly one-of-a-kind home that must be experienced in person.

21 days

2,349

113

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Facts & features

Interior

Bedrooms & bathrooms

Bedrooms: 6
Bathrooms: 4
Full bathrooms: 4

Primary bedroom

Level: Second

Bedroom 1

Level: First

Bedroom 2

Level: First

Bedroom 3

Level: Second

Bedroom 4

Level: Second

Bedroom 5

Level: Second

Heating

Forced Air

Cooling

Central Air

Appliances

Included: Dishwasher, Dryer, Range, Refrigerator, Washer
Laundry: Laundry Room

Features

Eat-in Kitchen, Formal Dining, Pantry, Quartz/Quartzite Counters, Tray Ceiling(s), Walk-In Closet(s)
Basement: Full,Unfinished
Attic: Full,Pull Stairs,See Remarks
Has fireplace: Yes
Fireplace features: Electric

Interior area

Total structure area: 6,050
Total interior livable area: 6,050 sqft

Property

Parking

Total spaces: 3
Parking features: Private
Garage spaces: 3

Features

Levels: Two

Lot

Size: 1.17 Acres

Details

Special conditions: None

Construction

Type & style

Home type: SingleFamily
Architectural style: Colonial
Property subtype: Single Family Residence, Residential

Materials

Foam Insulation, HardiPlank Type, Stone

Condition

Year built: 2026

Utilities & green energy

Sewer: Cesspool
Water: Public
Utilities for property: See Remarks

Community & HOA

HOA

Has HOA: No

Location

Region: Saint James

Financial & listing details

Price per square foot: $446/sqft
Annual tax amount: $33,000
Date on market: 6/29/2026
Cumulative days on market: 21 days
Listing agreement: Exclusive Right To Sell

Estimated market value

Not available

Estimated sales range

Not available

Price history

Date	Event	Price
6/29/2026	Listed for sale	$2,699,000$446/sqft
Source: OneKey® MLS as distributed by MLS GRID #1019623 Report a problem

Public tax history

Tax history is unavailable.

Monthly payment

Estimated monthly payment$1,822

Principal & interest
$1,547
Mortgage insurance
$0
Property taxes
$170
Home insurance
$105
HOA fees
$0
Utilities
Not included

All calculations are estimates and provided by Zillow, Inc. for informational purposes only. Actual amounts may vary.

HOA fees may include property taxes on listings classified as Co-Ops. Contact the listing agent and/or owner for fee details.

Mortgage interest rates are dependent on a number of factors, including credit score, down payment, and repayment length. Interest rate data provided by Zillow Group Marketplace, Inc. as of 1/1/1970 from various mortgage lenders with which we have lead or other similar arrangements; the Estimated Payment is an average of those rates.

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Climate risks

Neighborhood: 11780

Getting around

1 / 100

Car-Dependent

2 / 100

Somewhat Bikeable

Nearby schools

GreatSchools rating

6/10
Saint James Elementary School
Grades: K-5Distance: 1.3 mi
7/10
Nesaquake Middle School
Grades: 6-8Distance: 0.8 mi
10/10
Smithtown High School East
Grades: 9-12Distance: 1.3 mi

Schools provided by the listing agent

Elementary: St James Elementary School
Middle: Nesaquake Middle School
High: Smithtown High School-East

Source: OneKey® MLS as distributed by MLS GRID. This data may not be complete. We recommend contacting the local school district to confirm school assignments for this home.