Nassau County  »  11791  »  The Knoll  »  147 The Knoll

147 The Knoll, Syosset, NY 11791 - Property report

Also known as: 147 The Knoll

Property image for 147 The Knoll, Syosset, NY 11791

Property type

Residential Condominiums (412.21)

Year built

1982

Sale price

$810,000

General information

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Access up-to-date information from property owner names to sales history, deeds, tax info, mortgages, development data, planimetric maps and more.

Address
Primary address
147 The Knoll
ZIP code
11791
County
Nassau
Town/City
Oyster Bay
Village (SWIS code)
None (unincorporated town)
Parcel ID
15-F-1452.U-147

Owner

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Sales
Sale date
12/15/2025
Sale price
$810,000
Arm's length
Tax
Tax year
2026
Current property tax
$15,063
Tax class
Building
Property type
Residential Condominiums (412.21)
Condo building
CA0053
Unit sq. ft.
1,970
Buildings on lot
1
Stories
2
Year built
1982
Rooms
7
Bathrooms
2
Half bathrooms
1
Exterior wall
Brick
Building style
Condo
Attic
None
Fireplaces
1
Heating type
Central/AC
Heating system
Central w ac
Lot
Topography
Level

Area overview

School district
3014

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

Ownership

Ownership information for 147 The Knoll, Syosset, NY

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

Sales history for 147 The Knoll, Syosset, NY 11791

Sale date Sale price Buyer name Seller name
12/15/2025 $810,000 XXXX XXXXXXX XXXXX X XXXXXXX XXX; XXXXXX & XXXXX XXXXXXX XXXXXX XXXXX

*Most recent sale on record for this property.

More about Nassau County property records.

Title documents

Date Type Amount Party 1 Party 2
12/30/2025 - R
12/15/2025 - D		 Deed
(Deed-Deed)		 XXXXX X XXXXXXX XXX XXXX XXXXXXX
12/30/2025 - R
12/15/2025 - D		 Mortgage
(Adjustable Rate (Arm))		 XXXX XXXXXXX XXXX XX XXXX
01/22/2024 - R
12/14/2023 - D		 Deed XXXXXXX XXXXX XXXXX X XXXXXXX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 147 The Knoll, Syosset, 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
$15,063
Current school tax
Recent tax assessments
Market value
$479,000
Assessed value
$479
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 $479,000 $479 3144.736 $15,063 -1.34%
2025 $504,000 $504 3029.48 $15,269 -12.08%
2024 $604,000 $536 3239.864 $17,366 -14.89%
2023 $607,000 $607 3361.225 $20,403 -8.15%
2022 $604,000 $604 3677.723 $22,213 -11.91%
2021 $611,000 $611 4127.125 $25,217 +54.65%
2020 $360,000 $900 1811.769 $16,306 +6.92%
2019 $360,000 $900 1694.551 $15,251 +5.72%
2018 $360,000 $900 1602.9 $14,426 +4.50%
2017 $360,000 $900 1533.829 $13,804 +5.92%
Permits

Permit information for 147 The Knoll, Syosset, NY

No recently recorded permits for this property.

Neighborhood

Risk

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FEMA flood zones

FEMA flood zones
-

Transportation

Daily traffic map
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Access the detailed traffic volume map for 147 The Knoll, Syosset, NY 11791 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Neighbors for 147 The Knoll, Syosset, NY

18 Jericho Tpke, Syosset 30 Pine Rd, Syosset 6 A Pine Rd, Syosset 12 A Pine Rd, Syosset 275 Oak Dr, Syosset 573 Jericho Tpke, Syosset 22 Pine Rd, Syosset 14 Pine Rd, Syosset 200 Oak Dr, Syosset 601-641 Jericho Tpke, Syosset 75 Hasket Dr, Syosset 6 Pine Rd, Syosset 136 Oak Dr, Syosset 42 Jericho Tpke, Syosset 8 Pine Rd, Syosset 160 Oak Dr, Syosset 571 Jericho Tpke, Syosset 7627 Jericho Tpke, Woodbury 565-567 Jericho Tpke, Syosset 20 Pine Rd, Syosset

Nearby ZIP codes for 147 The Knoll, Syosset, NY

11545, Nassau County, NY 11548, Nassau County, NY 11554, Nassau County, NY 11560, Nassau County, NY 11568, Nassau County, NY 11590, Nassau County, NY 11709, Nassau County, NY 11714, Nassau County, NY 11724, Suffolk County, NY 11732, Nassau County, NY 11743, Suffolk County, NY 11747, Suffolk County, NY 11753, Nassau County, NY 11756, Nassau County, NY 11765, Nassau County, NY 11797, Nassau County, NY 11801, Nassau County, NY 11804, Nassau County, NY

Frequently asked questions

What is the year built for 147 The Knoll, Syosset, NY 11791?

The development at 147 The Knoll, Syosset, NY 11791 was built in 1982.

What is the total square footage of 147 The Knoll, Syosset, NY 11791?

147 The Knoll, Syosset, NY 11791 has a total of 1,970 square feet.

When was 147 The Knoll, Syosset, NY 11791 last sold and what was the sale price?

147 The Knoll, Syosset, NY 11791 was last sold on 12/15/2025 for $810,000.

What is the assessed value of 147 The Knoll, Syosset, NY 11791?

147 The Knoll, Syosset, NY 11791 is currently assessed at $479.

What are the property taxes for 147 The Knoll, Syosset, NY 11791?

The property taxes for 147 The Knoll, Syosset, NY 11791 total $15,063.

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