515 Split Rock Rd, Syosset, NY 11791 Property Records

Nassau County and Oyster Bay Town property record for 515 Split Rock Rd, Syosset, NY 11791

Property Summary

Property Type	Single Family Home
Details	5.5 ba · 6,243 sqft · built 1938
Lot Size	2.78 acres (121,184 sqft)
Owner	2 Individual Names on File
Last Sale	$1,515,000 (Aug 2002)
Tax Bill	$53,543 (2025)
Deeds & Mortgages	Apr 2023 Line of Credit
Flood Zone	Zone X (minimal risk)
APN	`25-058-00-0105`

Property Details

APN / Parcel Number

Primary APN	`25-058-00-0105`
Alternative APNs	`2489-25-058-00-0105-0` `25058000105000000000` `282489 25.-58-105` `25058 01050`

Interior

Full Baths	5.5 Baths
Half Baths	3 Half Baths
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	6,243 sqft Living Area
Gross Area	8,531 sqft
1st Floor Area	1,468 sqft
Attic	Attic
Attic Area	1,064 sqft
Basement Area	1,224 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1938
Effective Year Built	Effective 1938
Architectural Style	Colonial
Exterior Material	Brick/Stone
Construction Type	Frame
Roof Material	Slate
Lot Area	121,184 sqft
Garage Type	Attached
Garage Area	1,064 sqft
Parking Spaces	4 Parking Spaces

Exterior Amenities

Porch	Open Frame Porch
Porch Area	99 sqft
Patio Area	1,166 sqft
Shed	1 Shed
Shed Area	140 sqft

Utilities, Heating & Cooling

Cooling System	Central
Heating System	Central
Heating Fuel	Oil
Sewer	Municipal
Water Source	Commercial

Location & Zoning

Account Number	25058 01050
Street Address	515 SPLIT ROCK RD
City	SYOSSET
State	NY
Zip	11791-1511
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TOWN #3 SCH DIST 012
Legal Block	58
Legal Lot Number	105
Jurisdiction	NASSAU NY
Township / Civil Division	OYSTER BAY
Census Block Group	3
Census Block	3006
Census Tract	518300

Owner

Source: Nassau County and Oyster Bay Town records · APN 25-058-00-0105

Assessment roll updated June 17, 2026 · Last verified July 2026

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of Record	2 Individual Names on File
Mailing Address	515 SPLIT ROCK RD, SYOSSET, NY 11791-1511
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Aug 28, 2002 · Amount on Record
Deed Sale	Aug 28, 2002 · Amount on Record
Prior Sale	Aug 25, 1995 · Amount on Record
Deed Book / Page	11520 / 339
Record Updated	Sep 20, 2026

April 2023: Deed of Trust, Mortgage

Document Type	Deed of Trust
Jurisdiction	NASSAU NY
Property Address	515 SPLIT ROCK RD, SYOSSET, NY 11791-1511
Transaction Type	Mortgage
Record Updated	Apr 12, 2023
Title Company	ACCURATE GROUP, ACCURATE GROUP LLC

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	515 SPLIT ROCK RD, SYOSSET, NY 11791-1511

Mortgage

Document Number	M471040800
Date	Apr 07, 2023
Book Page	M47104/800
Instrument	2023-20761

Lender

Name	CITIZENS BANK NA
Type	Bank
Address	PROVIDENCE, RI 02903

Agreement

Type	Line of Credit
Amount	Amount Recorded
Term	299 Months
Due	Mar 27, 2048

Interest

Rate Type	Adjustable Rate
Change Frequency	Monthly

Tax Assessment & Valuation

Source: Nassau County and Oyster Bay Town records · Assessment roll updated June 17, 2026 · Last verified July 2026

Property Jurisdictions

Type	Name
State	New York
County	Nassau County
County Subdivision	Oyster Bay Town
Unified School District	Syosset Central School District (PK - 12)

Tax Bill & Assessment History

Assessed value and assessed market value are set for property tax purposes, not market price estimates; both are a fraction of this property's market value.

Year	Tax Bill	Assessed Value	Assessed Market Value
2026		$1,904 (+5.95%) Land $984 Building $920	$2,052,000 (+14.19%)
2025	$53,543.00 (+21.21%)	$1,797 (+2.39%) Land $862 Building $935	$1,797,000 (+2.39%)
2023	$44,172.00 Homeowner's exemption	$1,755 Land $842 Building $913	$1,755,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer as of April 5, 2023 · FEMA NFIP claims and policies as of September 2026 · USDA Forest Service Wildfire Risk to Communities as of 2024 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 in force

Wildfire

Wildfire Risk	Low lower than 80% of the US · above 54% of New York
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.

Internet Providers

Source: FCC Broadband Data Collection as of December 31, 2025 · Last verified October 2026

Provider	Max Down / Up (Mbps)
Verizon Fiber	2,300 / 2,300
Optimum Communications Cable · Fiber in parts of the area	940 / 35

Based on FCC filings for 63 locations within half a mile of this property.

Cell Coverage

5G (outdoors only) and 4G LTE

Drinking Water

Source: EPA Safe Drinking Water Information System as of 2026 Q3 · EPA water system boundaries as of March 2026 · Last verified October 2026

Water System	JERICHO WD public/private · serves 58,000 people
Water Source	Groundwater
Last State Inspection	Oct 2023
Lead	2 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Corrosion control Jul 2023
Monitoring and Reporting	None last 3 years

Results are for the whole water system as reported to EPA, not water tested at this address; lead at the tap also depends on the building's own pipes. The full violation and enforcement history is in the system's EPA record.