Nassau County  »  393 Mill River Rd

393 Mill River Road, Oyster Bay, NY 11771 - Property report

Also known as: 393 Mill River Rd

Property image for 393 Mill River Road, Oyster Bay, NY 11771
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Property type

Estates - Luxurious Residence (250.01)

Year built

1916

Acreage

8.17

Sale price

$7,300,000

General information

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Address
Primary address
393 Mill River Road
ZIP code
11771
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
Muttontown
Parcel ID
24-F-68

Owner

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Sales
Sale date
12/16/2024
Sale price
$7,300,000
Arm's length
Tax
Tax year
2026
Current property tax
$84,332
Tax class
Zoning & Use
Zoning
A-1
Building
Property type
Estates - Luxurious Residence (250.01)
Building sq. ft.
13,058
Buildings on lot
1
Stories
2
Year built
1916
Rooms
22
Bathrooms
8
Half bathrooms
4
Exterior wall
Brick
Building style
Mansion, Estate
Basement
3/4 Bsmt
Attic
Partial
Fireplaces
7
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
8.17
Topography
Level
Land
Primary site

Area overview

Walk score
20 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
24 /100.  Somewhat Bikeable
School district
3008

View more such as transportation, nearby schools and risk designations.

Ownership

Ownership information for 393 Mill River Road, Oyster Bay, NY

Property owner name
Registered owner
Source
Deed
Owner contact information
Phone number
Owner address
Documents

Sales history for 393 Mill River Road, Oyster Bay, NY 11771

Sale date Sale price Buyer name Seller name
12/16/2024 $7,300,000 XXX XXXXXXXX XX X XXX XXXXXXX XXXXXXX XXX; XXXXXXX XXXXX XXX
02/27/2003 $2,985,000 XXXXXX XXXXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
11/17/2025 - R
10/28/2025 - D		 Deed
(Deed-deed)		 XXX XXXXXXXX XX X XXX XXXXXXXX XXXXXX
11/17/2025 - R
10/28/2025 - D		 Mortgage
(Fixed rate)		 XXXXXXXX XXXXXX XXXX
01/06/2025 - R
12/16/2024 - D		 Deed
(Deed-deed)		 XXXXXXX XXXXXXX XXX XXX XXXXXXXX XX X XXX
04/30/2003 - R
02/27/2003 - D		 Deed XXXXXX XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 393 Mill River Road, Oyster Bay, NY

Property tax data includes tax amount, market value and assessed value, exemptions, abatements and assessment history.

Current property tax
Tax year
2026
Property tax
$84,332
Current school tax
Recent tax assessments
Market value
$5,082,000
Assessed value
$5,082
Transitional assessed value

More about Nassau County property taxes

Assessment history

See the assessment and property tax history, including the evolution of the total tax rate and corresponding property tax amount.

Tax year Market value Assessed value Tax rate Property tax Y-o-Y change
2026 $5,082,000 $5,082 1659.435 $84,332 -13.80%
2025 $6,017,000 $6,017 1626.006 $97,837 -11.78%
2024 $6,342,000 $6,342 1748.58 $110,895 -3.51%
2023 $6,342,000 $6,342 1812.244 $114,933 -15.11%
2022 $6,885,000 $6,885 1966.355 $135,384 -4.47%
2021 $6,496,000 $6,496 2181.608 $141,717 +56.05%
2020 $3,994,000 $9,985 909.527 $90,816 +3.52%
2019 $4,131,200 $10,328 849.455 $87,732 +5.71%
2018 $4,131,200 $10,328 803.609 $82,997 -22.81%
2017 $5,508,000 $13,770 780.864 $107,525 -9.98%
Permits

Permit information for 393 Mill River Road, Oyster Bay, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
X

Transportation

Daily traffic map
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Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Vernon School 6 Public 3-6 434 0.50
St Dominic High School NR Private PK-12 603 1.77
St Dominic High School NR Private PK-12 603 1.77
St Dominic Elementary School NR Private PK-8 218 1.86
St Dominic Elementary School NR Private PK-8 218 1.86
Theodore Roosevelt School NR Public PK, K-2 325 1.99
Theodore Roosevelt School NR Public PK, K-2 325 1.99
East Woods School NR Private PK, K-8 226 2.34
Berry Hill Elementary School 8 Public K-5 450 2.79
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Harmony Heights School NR Private 8-12 74 0.61
Harmony Heights School NR Private 8-12 0 0.63
St Dominic High School NR Private PK-12 603 1.77
St Dominic Elementary School NR Private PK-8 218 1.86
Long Island Lutheran Middle & High School NR Private 6-12 439 1.96
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 1.98
South Woods Middle School 8 Public 6-8 746 3.21
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Harmony Heights School NR Private 8-12 74 0.61
Harmony Heights School NR Private 8-12 0 0.63
St Dominic High School NR Private PK-12 603 1.77
Long Island Lutheran Middle & High School NR Private 6-12 439 1.96
Oyster Bay High School 7 Public 9-12 415 1.98
Portledge School NR Private PK-12 522 2.62
Jericho Senior High School 10 Public 9-12 1,258 3.23
Syosset Senior High School 10 Public 9-12 2,266 3.41
P.S. 256 NR Public PK, K-12 500 3.42

Data provided by GreatSchools.org © 2026. All rights reserved.

Neighbors for 393 Mill River Road, Oyster Bay, NY

24 Linden Ln, East Norwich 6193 D Northern Blvd, East Norwich 3 Meadow View Ln, East Norwich 4 Woodstock CT, Oyster Bay 10 Linden Ln, East Norwich 489 Remsens Ln, Oyster Bay 375 Mill River Rd, Oyster Bay 6 Linden Ln, East Norwich 20 Linden Ln, East Norwich 14 Linden Ln, East Norwich 535 Hunter Ln, Oyster Bay 1 Meadow View Ln, East Norwich 541 Hunter Ln, Oyster Bay 16 Linden Ln, East Norwich 537 Hunter Ln, Oyster Bay 22 Linden Ln, East Norwich 450 Remsens Ln, Oyster Bay 395 Mill River Rd, Oyster Bay 8 Linden Ln, East Norwich 12 Linden Ln, East Norwich

Nearby ZIP codes for 393 Mill River Road, Oyster Bay, NY

11542, Nassau County, NY 11545, Nassau County, NY 11547, Nassau County, NY 11548, Nassau County, NY 11560, Nassau County, NY 11568, Nassau County, NY 11576, Nassau County, NY 11579, Nassau County, NY 11590, Nassau County, NY 11709, Nassau County, NY 11724, Suffolk County, NY 11732, Nassau County, NY 11743, Suffolk County, NY 11753, Nassau County, NY 11765, Nassau County, NY 11791, Nassau County, NY 11797, Nassau County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 393 Mill River Road, Oyster Bay, NY 11771?

The development at 393 Mill River Road, Oyster Bay, NY 11771 was built in 1916.

What is the total square footage of 393 Mill River Road, Oyster Bay, NY 11771?

393 Mill River Road, Oyster Bay, NY 11771 has a total of 13,058 square feet.

When was 393 Mill River Road, Oyster Bay, NY 11771 last sold and what was the sale price?

393 Mill River Road, Oyster Bay, NY 11771 was last sold on 12/16/2024 for $7,300,000.

What is the assessed value of 393 Mill River Road, Oyster Bay, NY 11771?

393 Mill River Road, Oyster Bay, NY 11771 is currently assessed at $5,082.

What are the property taxes for 393 Mill River Road, Oyster Bay, NY 11771?

The property taxes for 393 Mill River Road, Oyster Bay, NY 11771 total $84,332.

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