Suffolk County  »  11706  »  Costello Ave  »  15 Costello Ave

15 Costello Avenue, Bay Shore, NY 11706 - Property report

Also known as: 15 Costello Ave

Property image for 15 Costello Avenue, Bay Shore, NY 11706
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Property type

Two Family Year-Round Residence (220)

Year built

1974

Acreage

0.25

Sale price

$130,000

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
15 Costello Avenue
ZIP code
11706
County
Suffolk
Village (SWIS code)
472889
Parcel ID
291-1-51

Owner

Find out who owns 15 Costello Avenue, Bay Shore, NY 11706. Uncover corporate and individual owners with a free account.

Sales
Sale date
08/04/1999
Sale price
$130,000
Arm's length
Tax
Tax year
2025-2026
Current property tax
$12,756
Zoning & Use
Zoning
Residential (A)
Building
Property type
Two Family Year-Round Residence (220)
Building sq. ft.
2,212
Year built
1974
Lot
Acreage
0.25

Area overview

Walk score
33 /100.  Car-Dependent
Transit score
0 /100.  Minimal Transit
Bike score
45 /100.  Somewhat Bikeable
School district
472801

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

Ownership

Ownership information for 15 Costello Avenue, Bay Shore, NY

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

Sales history for 15 Costello Avenue, Bay Shore, NY 11706

Sale date Sale price Buyer name Seller name
08/04/1999 $130,000 XXXXX XXXXXX X XXXXXXXX XXXXXXXX

*Most recent sale on record for this property.

More about Suffolk County property records.

Title documents

Date Type Amount Party 1 Party 2
10/30/2017 - R
06/08/2017 - D		 Deed XXXXX XXXXX XXXXX XXXXX
09/01/2016 - R
07/14/2016 - D		 Deed XXXXX XXXXX XXXXX XXXXX
09/23/2014 - R
09/04/2014 - D		 Deed XXXXX XXXXX XXXXX XXXXX
08/26/1999 - R
08/04/1999 - D		 Deed XXXXXXXX XXXXXXXX XXXXX XXXXXX X

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 15 Costello Avenue, Bay Shore, 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
$12,756
Recent tax assessments
Market value
$587,324
Assessed value
$41,700

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 $587,324 $41,700 30.589 $12,756 +4.40%
2024-2025 $587,324 $41,700 29.299 $12,218 +4.40%
2023-2024 $572,802 $41,700 28.063 $11,702 -0.15%
2022-2023 $503,623 $41,700 28.104 $11,719 +0.31%
2021-2022 $449,354 $41,700 28.016 $11,683 +2.87%
2020-2021 $429,897 $41,700 27.234 $11,357 -23.68%
2019-2020 $367,401 $41,700 35.683 $14,880 +46.21%
2018-2019 $367,401 $41,700 24.405 $10,177 +1.99%
2017-2018 $344,059 $41,700 23.928 $9,978 -2.03%
2016-2017 $328,346 $41,700 24.423 $10,184 +3.10%
Permits

Permit information for 15 Costello Avenue, Bay Shore, 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
View daily traffic map

Access the detailed traffic volume map for 15 Costello Avenue, Bay Shore, NY 11706 to see estimated average daily traffic on streets surrounding the property as well as the types of properties in its vicinity.

Schools

Nearest elementary schools

Name Rating Type Grade range No of students Distance (miles)
Mary G Clarkson School NR Public K-2 446 0.36
Brook Avenue Elementary School NR Public K-2 400 0.65
St Patrick School NR Private PK-8 534 0.67
St Patrick School NR Private PK-8 534 0.67
Heritage Christian Academy NR Private PK-5 41 0.70
Heritage Christian Academy NR Private PK-5 41 0.70
Fifth Avenue School NR Public K-2 383 0.84
Oak Park Elementary School 2 Public K-5 711 1.46
Hemlock Elementary School 3 Public K-5 617 1.56
Commack Road Elementary School 3 Public 2-5 397 1.60
Nearest middle schools

Name Rating Type Grade range No of students Distance (miles)
Bay Shore Middle School 5 Public 6-8 1,298 0.10
St Patrick School NR Private PK-8 534 0.67
Islip Middle School 4 Public 6-8 641 1.73
South Middle School 3 Public 6-8 1,033 1.78
MDQ Academy NR Private PK-12 412 2.24
West Middle School 4 Public 6-8 848 2.53
Udall Road Middle School 6 Public 6-8 445 2.55
Our Lady Of Lourdes School NR Private PK-8 209 2.89
St Peters By The Sea Episcopal Day School NR Private PK, K-8 176 2.89
East Middle School 4 Public 6-8 1,159 2.94
Nearest high schools

Name Rating Type Grade range No of students Distance (miles)
Bay Shore Senior High School 5 Public 9-12 1,910 0.73
Islip High School 9 Public 9-12 892 1.70
Brentwood High School 3 Public 9-12 4,641 2.19
MDQ Academy NR Private PK-12 412 2.24
Freshman Center NR Public 9 1,247 3.13
Ascent School for Individuals With Autism NR Private 4-12 24 3.31
East Islip High School 8 Public 9-12 1,145 3.65
West Islip Senior High School 9 Public 9-12 1,262 3.87
St John The Baptist Diocesan High School NR Private 9-12 1,335 3.88
North Babylon High School 6 Public 9-12 1,506 3.98

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

Neighbors for 15 Costello Avenue, Bay Shore, NY

46 Loraine St, Brentwood 6 Winfield Ave, Brentwood 176 Giller Ave, Holbrook 59 Bark Ave, Central Islip 8 W Pine St, Islip 759 Ferndale Blvd, Central Islip 21 Broadlawn Dr, Central Islip 250 Greenbelt Pkwy, Holbrook 234 G Springmeadow Dr, Holbrook 98 Grant Ave, Islip 38 Broadway, Ronkonkoma 36 Lexington Ave, Brentwood 80 Princess Ave, Bay Shore 1077 Nugent Ave, Bay Shore 143 Tahlulah Ln, West Islip 12 Beverly St, Islip 381 Hunter Ave, West Islip 59 White St, Brentwood 3 Tower Mews, Oakdale 777 Tanglewood Rd, West Islip

Nearby ZIP codes for 15 Costello Avenue, Bay Shore, NY

11702, Suffolk County, NY 11703, Suffolk County, NY 11704, Suffolk County, NY 11716, Suffolk County, NY 11717, Suffolk County, NY 11718, Suffolk County, NY 11722, Suffolk County, NY 11729, Suffolk County, NY 11730, Suffolk County, NY 11739, Suffolk County, NY 11749, Suffolk County, NY 11751, Suffolk County, NY 11752, Suffolk County, NY 11769, Suffolk County, NY 11770, Suffolk County, NY 11779, Suffolk County, NY 11782, Suffolk County, NY 11788, Suffolk County, NY 11795, Suffolk County, NY 11796, Suffolk County, NY

Frequently asked questions

What is the year built for 15 Costello Avenue, Bay Shore, NY 11706?

The development at 15 Costello Avenue, Bay Shore, NY 11706 was built in 1974.

What is the total square footage of 15 Costello Avenue, Bay Shore, NY 11706?

15 Costello Avenue, Bay Shore, NY 11706 has a total of 2,212 square feet.

When was 15 Costello Avenue, Bay Shore, NY 11706 last sold and what was the sale price?

15 Costello Avenue, Bay Shore, NY 11706 was last sold on 08/04/1999 for $130,000.

What is the assessed value of 15 Costello Avenue, Bay Shore, NY 11706?

15 Costello Avenue, Bay Shore, NY 11706 is currently assessed at $41,700.

What are the property taxes for 15 Costello Avenue, Bay Shore, NY 11706?

The property taxes for 15 Costello Avenue, Bay Shore, NY 11706 total $12,755.

How many residential units does this building have?

This building has 2 residential unit(s).

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