Nassau County  »  45 Mill Riv

45 Mill Riv, Oyster Bay, NY 11771 - Property report

Also known as: 45 Mill Riv

Property image for 45 Mill Riv, Oyster Bay, NY 11771
static Mapbox map

Property type

Estates - Luxurious Residence (250.01)

Year built

1924

Acreage

15.54

Sale price

$6,300,000

General information

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Address
Primary address
45 Mill Riv
ZIP code
11771
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
Upper Bookville
Parcel ID
24-E-6

Owner

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Sales
Sale date
02/24/2023
Sale price
$6,300,000
Arm's length
Tax
Tax year
2026
Current property tax
$15,350
Tax class
Zoning & Use
Zoning
OP1
Building
Property type
Estates - Luxurious Residence (250.01)
Building sq. ft.
6,386
Buildings on lot
1
Stories
2
Year built
1924
Rooms
20
Bathrooms
6
Half bathrooms
1
Exterior wall
Brick
Building style
Colonial
Basement
1/2 Bsmt/Crawl
Attic
Unfinished
Fireplaces
6
Heating type
Central
Heating system
Steam and vapor
Lot
Acreage
15.54
Topography
Level
Land
Primary site

Area overview

Walk score
10 /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 45 Mill Riv, Oyster Bay, NY

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

Sales history for 45 Mill Riv, Oyster Bay, NY 11771

Sale date Sale price Buyer name Seller name
02/24/2023 $6,300,000 XXXX XXXXX XXXXXXXX XXX X/X XXXXX XXXXXX XXXXXX XXXX XX XXXX XXXXX XXX XXX X/X XXXXXXXXX XXXXXXX, XXX
12/29/2003 $3,300,000 XXXX XXXXXXX XXXXXX XXXXXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
03/14/2023 - R
02/24/2023 - D		 Deed XXXX XX XXXX XXXXX XXX XXX XXXX XXXXX XXXXXXXX XXX
07/02/2018 - R Other
(Mortgage Satisfaction)		 XXXX XX XXXX XXXXX XXX XXX XXXXXXXX XXXXXXX XXXXXX XXXXX
02/11/2010 - R
01/15/2010 - D		 Deed XXXX XX XXXX XXXXX XXX
07/10/2009 - R
06/22/2009 - D		 Deed XXXX XXXXXXX
01/07/2004 - R
12/29/2003 - D		 Deed XXXXXX XXXXXX XXXX XXXXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 45 Mill Riv, 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
$15,350
Current school tax
Recent tax assessments
Market value
$925,000
Assessed value
$925
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 $925,000 $925 1659.435 $15,350 -55.72%
2025 $2,132,000 $2,132 1626.006 $34,666 -7.01%
2024 $2,132,000 $2,132 1748.58 $37,280 -8.94%
2023 $2,259,000 $2,259 1812.244 $40,939 -2.35%
2022 $2,132,000 $2,132 1966.355 $41,923 -46.86%
2021 $3,616,000 $3,616 2181.608 $78,887 -10.44%
2020 $3,873,600 $9,684 909.527 $88,079 +7.07%
2019 $3,873,600 $9,684 849.455 $82,261 +5.71%
2018 $3,873,600 $9,684 803.609 $77,821 +2.91%
2017 $3,873,600 $9,684 780.864 $75,619 +7.25%
Permits

Permit information for 45 Mill Riv, 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 1.02
Theodore Roosevelt School NR Public PK, K-2 325 1.22
Theodore Roosevelt School NR Public PK, K-2 325 1.22
St Dominic High School NR Private PK-12 603 1.35
St Dominic High School NR Private PK-12 603 1.35
St Dominic Elementary School NR Private PK-8 218 1.35
St Dominic Elementary School NR Private PK-8 218 1.35
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 1.79
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
St Dominic High School NR Private PK-12 603 1.35
St Dominic Elementary School NR Private PK-8 218 1.35
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 1.50
Harmony Heights School NR Private 8-12 74 1.56
Harmony Heights School NR Private 8-12 0 1.58
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 1.79
Locust Valley Middle School 8 Public 6-8 472 2.87
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
St Dominic High School NR Private PK-12 603 1.35
Oyster Bay High School 7 Public 9-12 415 1.50
Harmony Heights School NR Private 8-12 74 1.56
Harmony Heights School NR Private 8-12 0 1.58
Mill Neck Manor School for Deaf Child NR Private PK, K-12 0 1.79
Mill Neck Manor School for the Deaf NR Private PK-12 106 1.80
Locust Valley High School 9 Public 9-12 629 2.87
Syosset Senior High School 10 Public 9-12 2,266 4.13
Glen Cove High School 5 Public 9-12 1,050 4.23
P.S. 256 NR Public PK, K-12 500 4.24

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

Neighbors for 45 Mill Riv, Oyster Bay, NY

75 Mill River Rd, Oyster Bay 136 Mill River Rd, Oyster Bay 453 Remsens Ln, Oyster Bay 123 Mill River Rd, Oyster Bay 185 Lawn Ln, Oyster Bay 99 Mill River Rd, Oyster Bay 89 Mill River Rd, Oyster Bay 57 Mill Riv, Oyster Bay 69 Mill River Rd, Oyster Bay 1395 Planting Fields Rd, Oyster Bay 63 Mill River Rd, Glen Head 111 Mill River Rd, Oyster Bay 184 Lawn Ln, Oyster Bay 87 Mill River Rd, Oyster Bay 321 Mill River Rd, Oyster Bay 327 Mill River Rd, Oyster Bay 447 Remsens Ln, Oyster Bay 55 Mill River Rd, Oyster Bay 93 Mill River Rd, Oyster Bay 67 Mill River Rd, Oyster Bay

Nearby ZIP codes for 45 Mill Riv, 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 45 Mill Riv, Oyster Bay, NY 11771?

The development at 45 Mill Riv, Oyster Bay, NY 11771 was built in 1924.

What is the total square footage of 45 Mill Riv, Oyster Bay, NY 11771?

45 Mill Riv, Oyster Bay, NY 11771 has a total of 6,386 square feet.

When was 45 Mill Riv, Oyster Bay, NY 11771 last sold and what was the sale price?

45 Mill Riv, Oyster Bay, NY 11771 was last sold on 02/24/2023 for $6,300,000.

What is the assessed value of 45 Mill Riv, Oyster Bay, NY 11771?

45 Mill Riv, Oyster Bay, NY 11771 is currently assessed at $925.

What are the property taxes for 45 Mill Riv, Oyster Bay, NY 11771?

The property taxes for 45 Mill Riv, Oyster Bay, NY 11771 total $15,349.

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