21 Alan Ct, Plainview, NY 11803 Property Records

Nassau County and Oyster Bay Town property record for 21 Alan Ct, Plainview, NY 11803

Property Summary

Property Type	Single Family Home
Details	1.5 ba · 1,610 sqft · built 1956
Lot Size	0.147 acres (6,400 sqft)
Owner	2 Individual Names on File
Last Sale	$575,000 (Oct 2017)
Tax Bill	$16,425 (2025)
Deeds & Mortgages	Oct 2017 Sale
Flood Zone	Zone X (minimal risk)
APN	`46-603-00-0003`

Property Details

APN / Parcel Number

Primary APN	`46-603-00-0003`
Alternative APNs	`2489-46-603-00-0003-0` `46603000003000000000` `282489 46.-603-3` `46603 00030`

Interior

Full Baths	1.5 Baths
Half Baths	1 Half Bath
Total Rooms	7 Rooms
Stories	1 Story
Building Area	1,610 sqft Living Area
1st Floor Area	1,008 sqft
Basement Area	504 sqft
Finished Basement	504 sqft
Fireplaces	1 Fireplace
Fireplace	Fireplace

Exterior

Year Built	Built 1956
Effective Year Built	Effective 1956
Architectural Style	Split Level
Exterior Material	Brick/Stone
Construction Type	Frame
Roof Material	Other
Lot Area	6,400 sqft (0.147 acres)
Lot Dimensions	100 ft deep x 73 ft wide
Deck Area	400 sqft
Patio Area	40 sqft
Balcony Area	66 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	46603 00030
Street Address	21 ALAN CT
City	PLAINVIEW
State	NY
Zip	11803-5301
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TOWN #3 SCH DIST 019
Legal Subdivision	MAP OF PLAINVIEW GARDENS SECTION 3
Legal Block	603
Legal Lot Number	3
Jurisdiction	NASSAU NY
Township / Civil Division	OYSTER BAY
Census Block Group	1
Census Block	1011
Census Tract	519801

Owner

Source: Nassau County and Oyster Bay Town records · APN 46-603-00-0003

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	21 ALAN CT, PLAINVIEW, NY 11803-5301
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Oct 04, 2017 · Amount on Record
Deed Sale	Oct 04, 2017 · Amount on Record
Deed Document Number	201799330
Deed Book / Page	13569 / 259
Record Updated	Sep 20, 2026

October 2017: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	NASSAU NY
Recording Date	Oct 04, 2017
Property Address	21 ALAN CT, PLAINVIEW, NY 11803-5301
Document Number	D135690259
Book / Page	D13569 / 0259
Map Reference	MAP 6251
Instrument Date	Aug 29, 2017
Instrument	201700099330
Transaction Type	Transfer
Record Updated	May 14, 2021

Transaction

Amount	Amount Recorded
Tax	$2,300.00
Amount Accuracy	Full Amount Stated
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name
Address	21 ALAN CT, 21, PLAINVIEW, NY 11803-5301

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	230-05 57TH RD 2, 2, OAK BEACH, NY 11702

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	Plainview-Old Bethpage 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		$572 (-) Land $269 Building $303	$572,000 (-)
2025	$16,425.00 (+12.45%)
2023	$14,606.00 Additional exemption filed	$572 Land $269 Building $303	$572,000

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	1 in force

Wildfire

Wildfire Risk	Not rated no burnable land within 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 · Fixed Wireless in parts of the area	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 597 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	PLAINVIEW WD public/private · serves 34,000 people
Water Source	Groundwater
Last State Inspection	Jun 2024
Lead	Under 1 ppb (2021–2023) action level 15 ppb

Violations Reported to EPA

Water Quality	Tetrachloroethylene resolved · Jul 2017 cis-1,2-Dichloroethylene resolved · Jul 2017
Treatment and Procedure	None last 10 years
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.