Suffolk County  »  11755  »  Fir St  »  21 Fir St

21 Fir Street, Lake Grove, NY 11755 - Property report

Also known as: 21 Fir St

Property image for 21 Fir Street, Lake Grove, NY 11755
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Property type

One Family Year-Round Residence with Accessory Apartment (215)

Year built

1960

Acreage

0.51

Sale price

$740,000

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
21 Fir Street
ZIP code
11755
County
Suffolk
Village (SWIS code)
472217
Parcel ID
8020901

Owner

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Sales
Sale date
02/21/2025
Sale price
$740,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$8,080
Building
Property type
One Family Year-Round Residence with Accessory Apartment (215)
Building sq. ft.
2,434
Year built
1960
Lot
Acreage
0.51

Area overview

Walk score
14 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
32 /100.  Somewhat Bikeable
School district
472205

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

Ownership

Ownership information for 21 Fir Street, Lake Grove, NY

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

Sales history for 21 Fir Street, Lake Grove, NY 11755

Sale date Sale price Buyer name Seller name
02/21/2025 $740,000 XXXXXXXX XXXXXXXXX XXXXXX XXXXX XXXX XXXXX
07/29/2019 $500,000 XXXXXX XXXXX; XXXXXX XXXXX XXXXXX XX XXX
02/25/2019 $285,000 XXXXXX XX XXX XXXXX XXXXXX XXXXXXX XXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
03/10/2025 - R
02/21/2025 - D		 Deed XXXX XXXXX XXXXXXXXX XXXXXXXX
03/10/2025 - R Mortgage
(New Conventional (Fannie/Freddie))		 XXXXXXXXX XXXXXXXX XXX XXXXXXXX XXX
03/10/2025 - R Mortgage
(New Conventional (Fannie/Freddie))		 XXXXXXXXX XXXXXXXX XXX XXXXXXXX XXX
10/05/2021 - R
06/15/2021 - D		 Deed XXXXX XXXXXX XXXX XXXXXX, XX XXXXXXX X XXXXXX XXXXX XXXX
08/16/2019 - R
07/29/2019 - D		 Deed XXXXXX XX XXX XXXXXX XXXXX
05/15/2019 - R
02/25/2019 - D		 Deed XXXXX XXXXXX XXXXXXX XXXXX X XXXXXX XX XXX
01/30/2019 - R
01/04/2019 - D		 Deed XXXXXXX XXXXXXX X XXXXX XXXXXX XXXXXXX XXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 Fir Street, Lake Grove, NY

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

Current property tax
Tax year
2025-2026
Property tax
$8,080
Recent tax assessments
Market value
$457,547
Assessed value
$2,425

More about Suffolk 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
2025-2026 $457,547 $2,425 333.181 $8,080 +4.16%
2024-2025 $457,547 $2,425 319.873 $7,757 -18.87%
2023-2024 $449,074 $2,425 394.293 $9,562 +28.59%
2022-2023 $391,129 $2,425 306.626 $7,436 +3.91%
2021-2022 $327,702 $2,425 295.101 $7,156 +2.01%
2020-2021 $314,935 $2,425 289.278 $7,015 +2.07%
2019-2020 $281,977 $2,425 283.419 $6,873 +0.69%
2018-2019 $281,977 $2,425 281.474 $6,826 +3.81%
2017-2018 $269,444 $2,425 271.143 $6,575 +0.17%
2016-2017 $266,484 $2,425 270.674 $6,564 +2.64%
Permits

Permit information for 21 Fir Street, Lake Grove, 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)
Maimonides Day School NR Private PK, K-3 25 0.28
Maimonides Day School NR Private PK, K-3 25 0.28
Cayuga School 6 Public K-5 516 0.39
Wenonah School 6 Public K-5 479 0.94
Cleary School For The Deaf NR Private PK-12 79 1.20
Cleary School For The Deaf NR Private PK-12 79 1.20
St Joseph School NR Private PK, K-8 212 1.35
Tackan Elementary School 7 Public K-5 499 1.42
Hiawatha School 4 Public K-5 603 1.63
Holbrook Road School 4 Public K-5 367 1.72
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Samoset Middle School 6 Public 6-8 892 0.79
Lake Grove School NR Private 8-12 50 1.11
Cleary School For The Deaf NR Private PK-12 79 1.20
St Joseph School NR Private PK, K-8 212 1.35
Great Hollow Middle School 7 Public 6-8 828 2.42
Our Savior New American School NR Private PK, K-12 122 2.52
Ronkonkoma Middle School 8 Public 6-8 672 2.72
Dawnwood Middle School 5 Public 6-8 1,074 2.93
Jericho Elementary School 3 Public 1-5, 7 413 3.14
Sagamore Middle School 6 Public 6-8 933 3.16
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Sachem High School North 8 Public 9-12 1,923 0.76
Lake Grove School NR Private 8-12 50 1.11
Cleary School For The Deaf NR Private PK-12 79 1.20
Our Savior New American School NR Private PK, K-12 122 2.52
Centereach High School 6 Public 9-12 1,475 3.04
Smithtown High School East 10 Public 9-12 1,475 3.51
Newfield High School 8 Public 9-12 1,559 3.82
Long Island Baptist Academy NR Private 2-12 8 3.88
Connetquot High School 8 Public 9-12 1,757 3.89
Gersh Academy NR Private 6-12 0 4.03

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

Neighbors for 21 Fir Street, Lake Grove, NY

30 Swain CT, Lake Grove 83 Walnut St, Lake Grove 29 Ralph Ave, Lake Grove 20 Virginia Rd, Lake Grove 9 Lupin Ln, Lake Grove 35 Swain CT, Ronkonkoma 159 Smith Rd, Ronkonkoma 8 Lupine Ln, Lake Grove 28 Frederick Ave, Lake Grove 1013 Hawkins Ave, Lake Grove 847 Hawkins Ave, Lake Grove 18 Pine St, Lake Grove 12 Overton CT, Lake Grove 30 Henkel Dr, Lake Grove 30 St James Rd, Lake Grove 18 Virginia Rd, Lake Grove 89 Washburn St, Lake Grove 7 Laurelton Ave, Lake Grove 19 Pine St, Lake Grove 161 Smith Rd, Lake Grove

Nearby ZIP codes for 21 Fir Street, Lake Grove, NY

11716, Suffolk County, NY 11720, Suffolk County, NY 11722, Suffolk County, NY 11727, Suffolk County, NY 11733, Suffolk County, NY 11738, Suffolk County, NY 11741, Suffolk County, NY 11742, Suffolk County, NY 11749, Suffolk County, NY 11752, Suffolk County, NY 11767, Suffolk County, NY 11776, Suffolk County, NY 11777, Suffolk County, NY 11779, Suffolk County, NY 11780, Suffolk County, NY 11784, Suffolk County, NY 11787, Suffolk County, NY 11788, Suffolk County, NY 11790, Suffolk County, NY

Frequently asked questions

What is the year built for 21 Fir Street, Lake Grove, NY 11755?

The development at 21 Fir Street, Lake Grove, NY 11755 was built in 1960.

What is the total square footage of 21 Fir Street, Lake Grove, NY 11755?

21 Fir Street, Lake Grove, NY 11755 has a total of 2,434 square feet.

When was 21 Fir Street, Lake Grove, NY 11755 last sold and what was the sale price?

21 Fir Street, Lake Grove, NY 11755 was last sold on 02/21/2025 for $740,000.

What is the assessed value of 21 Fir Street, Lake Grove, NY 11755?

21 Fir Street, Lake Grove, NY 11755 is currently assessed at $2,425.

What are the property taxes for 21 Fir Street, Lake Grove, NY 11755?

The property taxes for 21 Fir Street, Lake Grove, NY 11755 total $8,079.

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