Suffolk County  »  11755  »  Ralph Ave  »  21 Ralph Ave

21 Ralph Avenue, Lake Grove, NY 11755 - Property report

Also known as: 21 Ralph Ave

Property image for 21 Ralph Avenue, Lake Grove, NY 11755
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Property type

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

Year built

1970

Acreage

0.23

General information

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Address
Primary address
21 Ralph Avenue
ZIP code
11755
County
Suffolk
Village (SWIS code)
472217
Parcel ID
8019190

Owner

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Tax
Tax year
2025-2026
Current property tax
$8,897
Building
Property type
One Family Year-Round Residence with Accessory Apartment (215)
Building sq. ft.
2,564
Year built
1970
Lot
Acreage
0.23

Area overview

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

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

Ownership

Ownership information for 21 Ralph Avenue, Lake Grove, NY

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

Sales history for 21 Ralph Avenue, Lake Grove, NY 11755

No recently recorded sales for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
06/27/2025 - R
05/14/2025 - D		 Deed
(Correction deed)		 XXXXX XXX XXX XXXXX XXXXXXXXXXX XXXXX
10/16/2013 - R
09/26/2013 - D		 Deed

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 21 Ralph Avenue, 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
Current property tax
$8,897
Base tax
$10,995
Recent tax assessments
Market value
$622,642
Assessed value
$3,300

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 $622,642 $3,300 333.181 $10,995 +4.16%
2024-2025 $622,642 $3,300 319.873 $10,556 -18.87%
2023-2024 $611,111 $3,300 394.293 $13,012 +28.59%
2022-2023 $532,258 $3,300 306.626 $10,119 +3.91%
2021-2022 $445,946 $3,300 295.101 $9,738 +2.01%
2020-2021 $428,571 $3,300 289.278 $9,546 +2.07%
2019-2020 $383,721 $3,300 283.419 $9,353 +0.69%
2018-2019 $383,721 $3,300 281.474 $9,289 +3.81%
2017-2018 $366,667 $3,300 271.143 $8,948 +0.17%
2016-2017 $362,637 $3,300 270.674 $8,932 +2.64%
Permits

Permit information for 21 Ralph Avenue, 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)
Cayuga School 6 Public K-5 516 0.19
Maimonides Day School NR Private PK, K-3 25 0.23
Maimonides Day School NR Private PK, K-3 25 0.23
Wenonah School 6 Public K-5 479 0.69
Cleary School For The Deaf NR Private PK-12 79 1.37
Cleary School For The Deaf NR Private PK-12 79 1.37
Tackan Elementary School 7 Public K-5 499 1.47
Holbrook Road School 4 Public K-5 367 1.58
Eugene Auer Memorial School 4 Public 1-5 317 1.60
St Joseph School NR Private PK, K-8 212 1.68
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Lake Grove School NR Private 8-12 50 0.79
Samoset Middle School 6 Public 6-8 892 0.88
Cleary School For The Deaf NR Private PK-12 79 1.37
St Joseph School NR Private PK, K-8 212 1.68
Our Savior New American School NR Private PK, K-12 122 2.24
Great Hollow Middle School 7 Public 6-8 828 2.44
Dawnwood Middle School 5 Public 6-8 1,074 2.62
Jericho Elementary School 3 Public 1-5, 7 413 2.91
Ronkonkoma Middle School 8 Public 6-8 672 3.05
Sagamore Middle School 6 Public 6-8 933 3.19
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Sachem High School North 8 Public 9-12 1,923 0.71
Lake Grove School NR Private 8-12 50 0.79
Cleary School For The Deaf NR Private PK-12 79 1.37
Our Savior New American School NR Private PK, K-12 122 2.24
Centereach High School 6 Public 9-12 1,475 2.73
Smithtown High School East 10 Public 9-12 1,475 3.35
Newfield High School 8 Public 9-12 1,559 3.57
Long Island Baptist Academy NR Private 2-12 8 3.97
Gersh Academy NR Private 6-12 0 4.21
Connetquot High School 8 Public 9-12 1,757 4.22

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

Neighbors for 21 Ralph Avenue, Lake Grove, NY

959 Hawkins Ave, Lake Grove 15 Smith St, Lake Grove 6 Beverly Rd, Lake Grove 18 Beverly Rd, Lake Grove 19 St James Rd, Lake Grove 910 Hawkins Ave, Lake Grove 19 Cedar Grove Ave, Lake Grove 73 Smith St, Lake Grove 841 Hawkins Ave, Lake Grove 3 Lupine Ln, Lake Grove 23 Alma Ave, Lake Grove 87 Hudson Ave, Lake Grove 69 Walnut St, Lake Grove 65 Smith St, Lake Grove 20 Alma Ave, Lake Grove 78 Washburn St, Lake Grove 53 Walnut St, Lake Grove 904 Hawkins Ave, Lake Grove 69 Washburn St, Lake Grove 34 Frederick Ave, Lake Grove

Nearby ZIP codes for 21 Ralph Avenue, 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 Ralph Avenue, Lake Grove, NY 11755?

The development at 21 Ralph Avenue, Lake Grove, NY 11755 was built in 1970.

What is the total square footage of 21 Ralph Avenue, Lake Grove, NY 11755?

21 Ralph Avenue, Lake Grove, NY 11755 has a total of 2,564 square feet.

What is the assessed value of 21 Ralph Avenue, Lake Grove, NY 11755?

21 Ralph Avenue, Lake Grove, NY 11755 is currently assessed at $3,300.

What are the property taxes for 21 Ralph Avenue, Lake Grove, NY 11755?

The property taxes for 21 Ralph Avenue, Lake Grove, NY 11755 total $10,994.

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