OPEN SUN, 12PM TO 3PM

For sale

$2,499,000

Est. $17,104/mo —

•

6,050

sq ft

301 Old Mill Rd, Saint James, NY 11780

About this home

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. Available color upgrade through builder.

Single-familyProperty Type

2026Year Built

1.17 acresLot Size

$413Price/Sq.Ft.

3 car garageParking

Listing by Gregory Masaitis • Keller Williams Realty Elite

Contact: 516-795-6900

Listing updated: Sep 29, 2026 at 03:59pm

Redfin checked: 3 minutes ago

•Source:OneKey® MLS as Distributed by MLS Grid #1019623

Payment calculator

$17,104 per month

Principal and interest$13,979

Property taxes

$2,750

HOA dues

Home insurance

$375

Utilities

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Open houses

Sunday, Oct 4

12:00pm - 3:00pm

Nearby open houses (10)

OPEN TODAY, 3:30PM TO 5:30PM
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3 beds2 baths1,756 sq ft
16 Bridle Path Ln, Port Jefferson, NY 11777
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OPEN TODAY, 4:30PM TO 6:30PM
$819,000
4 beds2.5 baths2,178 sq ft
181 Cirrus Rd, Holbrook, NY 11741
Listing by Douglas Elliman Real Estate
OPEN SAT, 1PM TO 3PM
$900,000
4 beds2.5 baths2,232 sq ft
18 Robert Townsend Dr, Setauket, NY 11733
Listing by BH&G R E Realty Connect
OPEN SAT, 1PM TO 2:30PM
$299,999
1 bed1 bath874 sq ft
263 River Ave #19, Patchogue, NY 11772
Listing by Exit Realty Achieve
OPEN SAT, 2:30PM TO 4PM
$825,000
5 beds3 baths2,600 sq ft
22 S 19th St, Wyandanch, NY 11798
Listing by Property Professionals Realty
REDFIN OPEN SUN, 11AM TO 1PM3D & VIDEO TOUR
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5 beds2 baths2,500 sq ft
16 Obermueller Dr, Melville, NY 11747
Listing by Redfin Real Estate
OPEN SUN, 11:30AM TO 1PM
$699,000
4 beds2 baths1,438 sq ft
7 Don Ln, Hauppauge, NY 11788
Listing by Signature Premier Properties
OPEN SUN, 12PM TO 2PM3D WALKTHROUGH
$549,000
3 beds2 baths1,237 sq ft
66 Ontario St, Port Jefferson Station, NY 11776
Listing by Howard Hanna Coach
OPEN SUN, 12PM TO 1:30PM
$649,999
3 beds2.5 baths1,570 sq ft
3 Plantation Dr, Hauppauge, NY 11788
Listing by Signature Premier Properties
REDFIN OPEN SUN, 2PM TO 4PM
$1,350,000
5 beds3 baths3,256 sq ft
155 Little Plains Rd, Huntington, NY 11743
Listing by Redfin Real Estate

Around this home

Schools

K - 12
Preschool & daycare

Saint James Elementary School

Public K-5 • Assigned • 1.3mi

6/10

Nesaquake Middle School

Public 6-8 • Assigned • 0.9mi

7/10

Smithtown High School East

Public 9-12 • Assigned • 1.4mi

10/10

Provided by GreatSchools

About Long

Island

Long Island, located between New York Harbor and the Atlantic Ocean, is a coastal and suburban New York neighborhood with barrier beaches and commuter rail hubs. The neighborhood’s energy concentrates around the Jamaica Station complex, where LIRR platforms, bus bays, and street-level storefronts create a constant current of movement. Housing shifts from compact prewar village centers to postwar capes and split-levels, with marinas and bayfront parks shaping daily routines. Jones Beach State Park and the Long Island Aquarium serve as signature day-trip anchors. The Paramount in Huntington and the Nassau County Museum of Art add a cultural throughline beyond the shoreline. Farm stands, delis, and small main streets stitch together a landscape defined by parkways, dunes, and bays.

Provided by Walk Score and Local Logic

Offer insights

301 Old Mill Rd · $2,499,000

Strong offer

$2.48M and above

75% chance or better to win

Why $2.48M+ is a strong offer

DAYS ON MARKET

The average home goes pending in 31 days.

SALE-TO-LIST

Most homes are selling 2% above list price.

About offer insights

Property details

Interior
Exterior
Finance

Kitchen

Bathroom

Bedroom

Living

Interior features
Eat-in kitchen
Formal dining room
Pantry
Quartz/Quartzite counters
Tray ceilings
Walk-in closets
Full unfinished basement
Attic with pull-down stairs

Bedrooms
Two-level home (total rooms: 10)

Bathrooms
4 full bathrooms

Kitchen
Dishwasher
Range
Refrigerator
Eat-in kitchen with pantry and quartz/quartzite counters

Laundry & utility
Dedicated laundry room
Washer
Dryer

Heating & cooling
Forced air heating
Central air conditioning
Electric fireplace

Sale and tax history for 301 Old Mill Rd

Sale History
Tax History

Public record

Beds

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Baths

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Lot width

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Lot depth

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Lot size

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Year renovated

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Finished Sq. Ft.

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Unfinished Sq. Ft.

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Total Sq. Ft.

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Year built

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Style

Single Family Residential

County

Suffolk County

APN

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Parking Spaces

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Basement

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Accessible

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HOA Dues

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Garage

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Features

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Last updated by owner on Jun 29, 2026.

Climate risks

1/10 Flood Factor

Minimal risk of a flood reaching the building in the next 30 years

1/10 Fire Factor

Unlikely to be in a wildfire in next 30 years

4/10 Heat Factor

6 days above 95° expected this year, 14 days in 30 years

8/10 Wind Factor

80% chance of strong winds in next 30 years

4/10 Air Factor

3 unhealthy days expected this year, 5 days in 30 years

Provided by First Street

Historical weather

Saint James, NY • 11780

Average low and high temperatures (°F)

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Sun exposure

54/ 100

Moderate sunlight

Sunscore

There appears to be some shading by surrounding buildings, terrain, and vegetation.

6.3 hrs

3 hrs

JuneDecember

Provided by Shadowmap

Redfin Estimate for 301 Old Mill Rd

We cannot show automated home-value estimates for this home.

Nearby homes have recently sold between $920,000 and $1,750,000.

Nearby comparable homes

The Redfin Estimate uses 6 recent nearby sales, priced between $920K to $1.8M.

SOLD AUG 11, 2026
$1,225,000 Last sold price
5 beds4.5 baths3,937 sq ft
144 Landing Meadow Rd, Smithtown, NY 11787
Listing by Pinnacle R E Consulting Inc
$102/sq ft
40 years older
SOLD SEP 14, 2026
$1,600,000 Last sold price
6 beds4.5 baths5,500 sq ft
2 Spring Hill Rd, Saint James, NY 11780
Listing by Real Broker NY LLC
$122/sq ft
larger lot
24 years older
SOLD MAR 20, 2026
$1,400,000 Last sold price
4 beds3.5 baths3,598 sq ft
30 Cordwood Path, Saint James, NY 11780
Listing by The Agency Northshore NY
$24/sq ft
larger lot
57 years older
SOLD FEB 9, 2026
$1,750,000 Last sold price
6 beds5 baths4,479 sq ft
142 Landing Meadow Rd, Smithtown, NY 11787
Listing by Pinnacle R E Consulting Inc
$22/sq ft
smaller lot
40 years older
SOLD JUN 9, 2026
$1,600,000 Last sold price
4 beds5 baths3,856 sq ft
37 Bridle Path, Saint James, NY 11780
Listing by Daniel Gale Sothebys Intl Rlty
$2/sq ft
larger lot
49 years older
SOLD JUN 9, 2026
$920,000 Last sold price
5 beds3 baths3,600 sq ft
1 Spring Hollow Rd, Saint James, NY 11780
Listing by Douglas Elliman Real Estate
$157/sq ft
larger lot
54 years older

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