100 Northgate Dr, Syosset, NY 11791 Property Records

Nassau County and Oyster Bay Town property record for 100 Northgate Dr, Syosset, NY 11791

Property Summary

Property Type	Single Family Home
Details	5 ba · 4,251 sqft · built 1968
Lot Size	1 acres (43,560 sqft)
Owner	2 Individual Names on File
Last Sale	$485,000 (Dec 1997)
Tax Bill	$45,442 (2025)
Flood Zone	Zone X (minimal risk)
APN	`25-055-00-0010`

Property Details

APN / Parcel Number

Primary APN	`25-055-00-0010`
Alternative APNs	`2489-25-055-00-0010-0` `25055000010000000000` `282489 25.-55-10` `25055 00100`

Interior

Full Baths	5 Baths
Half Baths	2 Half Baths
Plumbing Fixtures	4 Plumbing Fixtures
Total Rooms	7 Rooms
Stories	2 Stories
Building Area	4,251 sqft Living Area
Gross Area	4,755 sqft
1st Floor Area	1,752 sqft
Game Room	Game Room
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1968
Effective Year Built	Effective 1968
Architectural Style	Ranch
Exterior Material	Wood
Construction Type	Frame
Roof Material	Other
Lot Area	43,560 sqft
Garage Type	Attached
Garage Area	504 sqft
Parking Spaces	2 Parking Spaces
Porch	Open Frame Porch
Porch Area	77 sqft
Balcony Area	19 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	25055 00100
Street Address	100 NORTHGATE DR
City	SYOSSET
State	NY
Zip	11791-1608
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TOWN #3 SCH DIST 012
Legal Subdivision	MAP OF SAGAMORE AT SYOSSET SECTION #3
Legal Block	55
Legal Lot Number	10
Jurisdiction	NASSAU NY
Township / Civil Division	OYSTER BAY
Census Block Group	3
Census Block	3001
Census Tract	518300

Owner

Source: Nassau County and Oyster Bay Town records · APN 25-055-00-0010

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	2 Individual Names on File
Mailing Address	100 NORTHGATE DR, SYOSSET, NY 11791-1608
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Dec 09, 1997 · Amount on Record
Deed Sale	Dec 09, 1997 · Amount on Record
Deed Book / Page	10854 / 489
Record Updated	Sep 20, 2026

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		$1,500 (-) Land $611 Building $889	$1,500,000 (-)
2025	$45,442.00 (+11.18%)
2023	$40,871.00 Homeowner's exemption	$1,500 Land $611 Building $889	$1,500,000

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	None beyond ember reach

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)
Optimum Communications Fiber · Cable	8,000 / 8,000
Verizon Fiber	2,300 / 2,300

Based on FCC filings for 128 locations within half a mile of this property.

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.