16 William Ave, Glen Head, NY 11545 Property Records

Nassau County and Oyster Bay Town property record for 16 William Ave, Glen Head, NY 11545 · Last verified June 2026

Property Highlights

Property Type	Residential > Single Family > Home
Bathrooms	1.5 Baths
Year Built	Built 1954
Square Footage	1,458 sqft Living Area
Lot Size	11,199 sqft (0.257 acres)
Garage	Attached, 322 sqft
Occupancy	Owner Occupied
Last Sale	$250,000 (1997)
Tax Bill	$12,999.00 (2025)

Property Details

APN / Parcel Number

Primary APN	`21-228-00-0006`
Alternative APNs	`2489-21-228-00-0006-0` `21228000006000000000` `282489 21.-228-6` `21228 00060`

Interior

Full Baths	1.5 Baths
Partial Baths	1 Partial Baths
Total Rooms	6 Rooms
Building Area	1,458 sqft Living Area
Gross Area	2,044 sqft Gross Area
1st Floor	1,150 sqft 1st Floor
Basement Area	264 sqft Basement
Stories	1 Stories
Fireplace	Fireplace
Fireplaces	1 Fireplaces

Exterior

Year Built	Built 1954
Effective Year Built	Effective 1954
Architectural Style	Cape Cod Style
Exterior Material	Wood Exterior
Construction Type	Frame Construction
Roof Material	Other (not Classified) Roof
Lot Area	11,199 sqft (0.257 acres)
Depth X Width	149 ft x 83 ft Depth x Width
Parking Spaces	1 Parking Spaces
Garage Type	Attached Garage
Garage Area	322 sqft Garage
Patio Area	143 sqft Patio
Porch Area	25 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	21228 00060
Street Address	16 WILLIAM AVE
City	GLEN HEAD
State	NY
Zip	11545-1442
Property Usage	Residential Property Usage
Type	Residential > Single Family > Home
Legal Description	TOWN #3 SCH DIST 001
Legal Block	228
Legal Lot Number	6
Jurisdiction	NASSAU NY
Minor Civil Division	OYSTER BAY
Census Blockgroup	4
Census Block	4000
Census Tract	517600

Owner

Source: Nassau County and Oyster Bay Town records · APN 21-228-00-0006

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	16 WILLIAM AVE, GLEN HEAD, NY 11545-1442
Occupancy	Owner Occupied
Owner Type	Owner is an Individual, Couple or Unincorporated Entity

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 19, 1997 · Amount on Record
Deed Sale	Mar 19, 1997 · Amount on Record
Deed Book / Page	10758 / 559
Record Refreshed	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	North Shore Central School District (KG - 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		$566 (-10.44%) Land $257 Building $309	$566,000 (-10.44%)
2025	$12,999.00 (+5.29%)
2023	$12,346.00 Homeowner's exemption	$632 Land $287 Building $345	$632,000

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	Not rated no burnable land in reach
Wildfire Likelihood	Negligible
Exposure	None beyond ember reach

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