Suffolk County » 11770 » Seneca St » 18 Seneca St

18 Seneca Street, Ocean Beach, NY 11770 - Property report

Also known as: 18 Seneca St

Property image for 18 Seneca Street, Ocean Beach, NY 11770

Property type

One Family Year-Round Residence (210)

Year built

1945

Acreage

0.17

Sale price

$2,500,000

General information

Address

Primary address

18 Seneca Street

ZIP code

11770

County

Suffolk

Village (SWIS code)

472289

Parcel ID

3274880

Sales

Sale date

08/21/2025

Sale price

$2,500,000

Arm's length

Tax

Tax year

2025-2026

Current property tax

$5,543

Building

Property type

One Family Year-Round Residence (210)

Building sq. ft.

810

Year built

1945

Lot

Acreage

0.17

Area overview

Walk score

24 /100. Car-Dependent

Transit score

0 /100. Minimal Transit

Bike score

37 /100. Somewhat Bikeable

School district

472814

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

Ownership

Ownership information for 18 Seneca Street, Ocean Beach, NY

Property owner name

Registered owner

Source

Deed

Owner contact information

Phone number

Owner address

Documents

Sales history for 18 Seneca Street, Ocean Beach, NY 11770

Sale date	Sale price	Buyer name	Seller name
08/21/2025	$2,500,000	XXXXXX XXXXX, XX.; XXXXXX XXXXX	XXXXXXXX XXXXXXXX; XXXXXXXX XXXXXXXXX
10/19/2022	$3,050,000	XXXXXXXXX XXXXXXXX	XXXXXXXX XXX
05/14/2020	$660,000	XXXXXX XX XXX	XXXXX XXXXX X

*Most recent sales on record for this property.

More about Suffolk County property records.

Title documents

Date	Type	Party 1	Party 2
10/02/2025 - R 08/21/2025 - D	Deed	XXXXXXXX XXXXXXXX	XXXXXX XXXXX, XX.
12/21/2022 - R 10/19/2022 - D	Deed	XXXXXXXX XXX	XXXXXXXXX XXXXXXXX
08/21/2020 - R 05/14/2020 - D	Deed (Bargain and sale)	XXXXX XXXXX X	XXXXXX XX XXX

*Most recent recorded documents on file for this property.

R: Recorded date
D: Document date

Tax

Property taxes for 18 Seneca Street, Ocean Beach, 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

$5,543

Recent tax assessments

Market value

$924,529

Assessed value

$4,900

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	$924,529	$4,900	113.13	$5,543	+5.57%
2024-2025	$924,529	$4,900	107.159	$5,251	-11.76%
2023-2024	$907,408	$4,900	121.437	$5,950	+109.88%
2022-2023	$451,613	$2,800	101.257	$2,835	+2.10%
2021-2022	$378,379	$2,800	99.176	$2,777	+1.74%
2020-2021	$363,636	$2,800	97.477	$2,729	+6.34%
2019-2020	$325,581	$2,800	91.666	$2,567	-5.56%
2018-2019	$325,581	$2,800	97.063	$2,718	+2.75%
2017-2018	$311,111	$2,800	94.464	$2,645	-3.18%
2016-2017	$307,692	$2,800	97.568	$2,732	+4.58%

Permits

Permit information for 18 Seneca Street, Ocean Beach, NY

No recently recorded permits for this property.

Neighborhood

Brookhaven residential market stats

Access a detailed real estate market overview of Brookhaven so you can assess current trends, home values, types of properties sold and transaction volume. View the median home sale price in Brookhaven and compare it to other neighborhoods in Suffolk.

Median sale price

$575,000

4.5% Y-o-Y

Median price/sq. ft.

$348

2.4% Y-o-Y

Suffolk county median sale price

$677,000

5.9% Y-o-Y

Risk

Create a free account to unlock expanded risk information, such as crime incidents in the area, tsunami and landslides risks, or its location relative to FEMA flood zones and the Coastal Barriers Resources System Area (COBRA).

FEMA flood zones

FEMA flood zones

Transportation

Daily traffic map

View daily traffic map

Access the detailed traffic volume map for 18 Seneca Street, Ocean Beach, NY 11770 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)
Timber Point Elementary School	NR	Public	PK, K-2	345	5.35
Timber Point Elementary School	NR	Public	PK, K-2	345	5.35
John F Kennedy Elementary School	5	Public	3-5	450	5.76
West Sayville Christian School	NR	Private	K-9	37	5.92
Idle Hour Elementary School	8	Public	PK, K-5	190	5.97
Idle Hour Elementary School	8	Public	PK, K-5	190	5.97
Maud S Sherwood Elementary School	6	Public	2-5	335	6.26
St Mary School	NR	Private	PK-8	413	6.31
St Mary School	NR	Private	PK-8	413	6.31
Connetquot Alternative Preschool At Premm	NR	Public		0	6.33

Nearest middle schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
West Sayville Christian School	NR	Private	K-9	37	5.92
St Mary School	NR	Private	PK-8	413	6.31
Connetquot Alternative Preschool At Premm	NR	Public		0	6.33
Prince Of Peace Regional School	NR	Private	PK, K-8	194	6.40
Oakdale Bohemia Middle School	6	Public	6-8	634	6.71
Islip Middle School	4	Public	6-8	641	7.09
East Islip Middle School	6	Public	6-8	804	7.26
Sayville Middle School	7	Public	6-8	619	7.98
St Peters By The Sea Episcopal Day School	NR	Private	PK, K-8	176	8.02
St Patrick School	NR	Private	PK-8	534	8.08

Nearest high schools

Name	Rating	Type	Grade range	No of students	Distance (miles)
Sayville High School	9	Public	9-12	880	6.28
Connetquot Alternative Preschool At Premm	NR	Public		0	6.33
Islip High School	9	Public	9-12	892	7.15
East Islip High School	8	Public	9-12	1,145	7.37
Bayport Blue Point High School	9	Public	9-12	664	7.74
Bay Shore Senior High School	5	Public	9-12	1,910	8.35
St John The Baptist Diocesan High School	NR	Private	9-12	1,335	8.71
Connetquot High School	8	Public	9-12	1,757	9.22
West Islip Senior High School	9	Public	9-12	1,262	9.38

Neighbors for 18 Seneca Street, Ocean Beach, NY

195 Oneida St, Ocean Beach 16 Seneca St, Ocean Beach 10 Oneida St, Ocean Beach 20 Ocean Bay Blvd, Ocean Beach 13 Cayuga St, Ocean Beach 12 Seneca St, Ocean Beach 63 E Thompson Ave, Ocean Beach 17 Oneida St, Ocean Beach 19 Champlain St, Ocean Beach 19 Cayuga St, Ocean Beach 15 Oneida St, Ocean Beach 19 Seneca St, Ocean Beach 15 Seneca St, Ocean Beach 14 Champlain St, Ocean Beach 20 Sececa St, Ocean Beach 20 Cayuga St, Ocean Beach 79 Thompson Ave, Ocean Beach 20 Oneida St, Ocean Beach

Frequently asked questions

What is the year built for 18 Seneca Street, Ocean Beach, NY 11770?

The development at 18 Seneca Street, Ocean Beach, NY 11770 was built in 1945.

What is the total square footage of 18 Seneca Street, Ocean Beach, NY 11770?

18 Seneca Street, Ocean Beach, NY 11770 has a total of 810 square feet.

When was 18 Seneca Street, Ocean Beach, NY 11770 last sold and what was the sale price?

18 Seneca Street, Ocean Beach, NY 11770 was last sold on 08/21/2025 for $2,500,000.

What is the assessed value of 18 Seneca Street, Ocean Beach, NY 11770?

18 Seneca Street, Ocean Beach, NY 11770 is currently assessed at $4,900.

What are the property taxes for 18 Seneca Street, Ocean Beach, NY 11770?

The property taxes for 18 Seneca Street, Ocean Beach, NY 11770 total $5,543.

Disclaimer

All data comes from government sources. No attempt has been made to validate it. No attempt has been made to validate the accuracy of the programming of this website.

Do not rely on this report to support investment decisions. The only authoritative source for the information in this report is the government agencies from which the data was acquired.