Nassau County  »  9 Bel Air CT

9 Bel Air Court, Oyster Bay, NY 11771 - Property report

Also known as: 9 Bel Air CT

Property image for 9 Bel Air Court, Oyster Bay, NY 11771
static Mapbox map

Property type

One Family Year - Round Residence (210.01)

Year built

1997

Acreage

5.058

Sale price

$5,750,000

General information

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Address
Primary address
9 Bel Air Court
ZIP code
11771
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
Upper Bookville
Parcel ID
24-27-6

Owner

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Sales
Sale date
06/16/2021
Sale price
$5,750,000
Arm's length
Tax
Tax year
2026
Current property tax
$80,407
Tax class
Zoning & Use
Zoning
OP1
Building
Property type
One Family Year - Round Residence (210.01)
Building sq. ft.
11,668
Buildings on lot
1
Stories
2
Year built
1997
Rooms
15
Bathrooms
7
Half bathrooms
2
Exterior wall
Brick
Building style
Mansion, Estate
Basement
Full
Attic
Partial
Fireplaces
5
Heating type
Central/AC
Heating system
Central w ac
Lot
Acreage
5.058
Topography
Level
Land
Primary site

Area overview

Walk score
4 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
23 /100.  Somewhat Bikeable
School district
3003

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

Ownership

Ownership information for 9 Bel Air Court, Oyster Bay, NY

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

Sales history for 9 Bel Air Court, Oyster Bay, NY 11771

Sale date Sale price Buyer name Seller name
06/16/2021 $5,750,000 XXX XXXXX; XXX XXXXXXX XXXXXXXXX XXXXX; XXXXXXXXX XXXXX
01/17/1996 $495,000 XXXXXXXXX XXXXX/XXXXX XXXXXX XXXXXXX XXX

*Most recent sales on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
01/18/2022 - R Other
(Mortgage Satisfaction)		 XXX XXXXX XXXXXXXX XXXXX XXXX XX
07/07/2021 - R
06/16/2021 - D		 Deed XXXXXXXXX XXXXX XXX XXXXX
07/07/2021 - R
06/16/2021 - D		 Mortgage
(Adjustable Rate (Arm))		 XXX XXXXX XXXXXXXX XXXXX XXXX
01/24/1996 - R
01/17/1996 - D		 Deed XXXXXX XXXXXXX XXX XXXXXXXXX XXXXX/XXXXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 9 Bel Air Court, 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
$80,407
Current school tax
Recent tax assessments
Market value
$4,290,000
Assessed value
$4,290
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 $4,290,000 $4,290 1874.298 $80,407 +1.16%
2025 $4,295,000 $4,295 1850.662 $79,486 -12.92%
2024 $4,626,000 $4,600 1984.228 $91,274 -9.57%
2023 $4,903,000 $4,903 2058.674 $100,937 -2.40%
2022 $4,626,000 $4,626 2235.491 $103,414 -5.30%
2021 $4,365,000 $4,365 2501.874 $109,207 +99.32%
2020 $2,108,000 $5,270 1039.633 $54,789 +6.55%
2019 $2,108,000 $5,270 975.707 $51,420 -6.95%
2018 $2,400,000 $6,000 921.001 $55,260 -12.75%
2017 $2,856,000 $7,140 887.004 $63,332 -14.18%
Permits

Permit information for 9 Bel Air Court, 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)
The Green Vale School NR Private PK-8 417 1.47
The Green Vale School NR Private PK-8 417 1.47
Vernon School 6 Public 3-6 434 1.54
Portledge School NR Private PK-12 522 2.10
Portledge School NR Private PK-12 522 2.10
Friends Academy NR Private PK-12 765 2.19
Connolly School 3 Public 3-5 305 2.38
Theodore Roosevelt School NR Public PK, K-2 325 2.60
Theodore Roosevelt School NR Public PK, K-2 325 2.60
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
The Green Vale School NR Private PK-8 417 1.47
Harmony Heights School NR Private 8-12 74 1.59
Harmony Heights School NR Private 8-12 0 1.60
Long Island Lutheran Middle & High School NR Private 6-12 439 1.92
Portledge School NR Private PK-12 522 2.10
OYSTER BAY MIDDLE SCHOOL 5 Public 7-8 217 2.79
Jericho Middle School 9 Public 6-8 810 3.27
Locust Valley Middle School 8 Public 6-8 472 3.39
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Harmony Heights School NR Private 8-12 74 1.59
Harmony Heights School NR Private 8-12 0 1.60
Long Island Lutheran Middle & High School NR Private 6-12 439 1.92
Portledge School NR Private PK-12 522 2.10
Friends Academy NR Private PK-12 765 2.19
Oyster Bay High School 7 Public 9-12 415 2.79
Jericho Senior High School 10 Public 9-12 1,258 3.27
Locust Valley High School 9 Public 9-12 629 3.39
North Shore Senior High School 9 Public K-5, 9-12 764 3.49
Glen Cove High School 5 Public 9-12 1,050 4.16

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

Neighbors for 9 Bel Air Court, Oyster Bay, NY

692 Donna Dr, Oyster Bay 1 Bel Air CT, Oyster Bay 9 Donna Dr, Oyster Bay 11 Donna Dr, Oyster Bay 3 Donna Dr, Oyster Bay 5 Bel Air CT, Oyster Bay 4 Fairway CT, Oyster Bay 5 Fairway CT, Oyster Bay 10 Bel Air CT, Oyster Bay 6 Bel Air CT, Oyster Bay 5 Donna Dr, Oyster Bay 8 Fairway CT, Glen Head 7 Bel Aire CT, Oyster Bay 7 Fairway CT, Oyster Bay 3 Fairway CT, Oyster Bay 2 Bel Air CT, Oyster Bay 2 Fairway CT, Oyster Bay 6 Fairway CT, Oyster Bay 1 Donna Dr, Oyster Bay 7 Donna Dr, Oyster Bay

Nearby ZIP codes for 9 Bel Air Court, 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 9 Bel Air Court, Oyster Bay, NY 11771?

The development at 9 Bel Air Court, Oyster Bay, NY 11771 was built in 1997.

What is the total square footage of 9 Bel Air Court, Oyster Bay, NY 11771?

9 Bel Air Court, Oyster Bay, NY 11771 has a total of 11,668 square feet.

When was 9 Bel Air Court, Oyster Bay, NY 11771 last sold and what was the sale price?

9 Bel Air Court, Oyster Bay, NY 11771 was last sold on 06/16/2021 for $5,750,000.

What is the assessed value of 9 Bel Air Court, Oyster Bay, NY 11771?

9 Bel Air Court, Oyster Bay, NY 11771 is currently assessed at $4,290.

What are the property taxes for 9 Bel Air Court, Oyster Bay, NY 11771?

The property taxes for 9 Bel Air Court, Oyster Bay, NY 11771 total $80,407.

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