421 Split Rock Rd, Syosset, NY 11791 Property Records

Nassau County and Oyster Bay Town property record for 421 Split Rock Rd, Syosset, NY 11791 · Last verified June 2026

Property Highlights

Property Type	Residential > Multi-Unit > Multi-Family Dwellings
Bathrooms	4.5 Baths
Year Built	Built 1937
Square Footage	4,117 sqft Living Area
Lot Size	2.03 acres
Garage	576 sqft
Occupancy	Owner Occupied
Last Sale	$1,450,000 (2022)
Tax Bill	$43,848.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`25-058-00-0109`
Alternative APNs	`2489-25-058-00-0109-0` `25058000109000000000` `282489 25.-58-109` `25058 01090`

Interior

Full Baths	4.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	16 Rooms
Units	4 Units
Building Area	4,117 sqft Living Area
Gross Area	4,185 sqft Gross Area
1st Floor	1,785 sqft 1st Floor
Basement Area	68 sqft Basement
Stories	2 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1937
Effective Year Built	Effective 1937
Architectural Style	Colonial Style
Exterior Material	Wood Exterior
Construction Type	Frame Construction
Lot Area	88,427 sqft
Garage Area	576 sqft Garage

Exterior Amenities

Pool Area	1,260 sqft Pool
Total Buildings	2 Total Buildings
Patio Area	800 sqft Patio
Porch Area	681 sqft Porch

Utilities and HVAC

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

Location & Zoning

Account Number	25058 01090
Street Address	421 SPLIT ROCK RD
City	SYOSSET
State	NY
Zip	11791-1509
Property Usage	Residential Property Usage
Type	Residential > Multi-Unit > Multi-Family Dwellings
Legal Description	TOWN #3 SCH DIST 012
Legal Block	58
Legal Lot Number	109
Jurisdiction	NASSAU NY
Minor Civil Division	OYSTER BAY
Census Blockgroup	3
Census Block	3006
Census Tract	518300

Owner

Source: Nassau County and Oyster Bay Town records · APN 25-058-00-0109

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

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

Owner of Record	Individual Name on File
Mailing Address	421 SPLIT ROCK RD, SYOSSET, NY 11791-1509
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	Verified Name on Deed
Last Sale	Jun 15, 2022 · Amount on Record
Deed Sale	Jun 15, 2022 · Amount on Record
Prior Sale	Jun 25, 2001 · Amount on Record
Deed Doc Number	202266060
Deed Book / Page	14258 / 955
Record Refreshed	Sep 20, 2026

June 2022: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	NASSAU NY
Recording Date	Jun 15, 2022
Property Address	421 SPLIT ROCK RD, SYOSSET, NY 11791-1509
Document Number	D142580955
Book / Page	D14258 / 955
Instrument Date	Jun 03, 2022
Instrument	2022-66060
Transaction Type	Transfer
Record Updated	Jun 23, 2022
Title Company	FEDERAL STANDARD ABSTRACT INC, FEDERAL STANDARD ABSTRACT IN

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$20,300.00
Amount Accuracy	Full Amount Stated
Additional	Arms Length Transaction

Transferred From (Grantor/Seller)

Name	Verified Name
Address	421 SPLIT ROCK RD, 421, SYOSSET, NY 11791-1509

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	4016 MURRAY ST, FLUSHING, NY 11354-4934

Mortgage

Document Number	0202266061
Date	Jun 15, 2022
Instrument	2022-66061

Lender

Name	EAST WEST BANK
Type	Bank

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	361 Months
Due	Jul 01, 2052

Tax Assessment & Valuation

Source: Nassau County and Oyster Bay Town records · Assessment roll updated June 17, 2026 · Last verified June 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		$1,386 (-7.78%) Land $804 Building $582	$1,386,000 (-7.78%)
2025	$43,848.00 (-18.05%)
2023	$53,507.00 Additional exemption filed	$1,503 Land $872 Building $631	$1,503,000

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Nassau County (36059C), updated April 5, 2023 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood Zone	Zone X
Flood Hazard	Minimal
500-Year Floodplain	No
Special Flood Hazard Area	No

Wildfire

Wildfire Risk	Low above 20% of the US · above 55% of New York
Wildfire Likelihood	About 1 in 10,000 per year
Exposure	Direct burnable vegetation at the parcel

Values are read at the parcel center point; lenders make the official flood determination.