31 Diamond Dr, Plainview, NY 11803 Property Records

Nassau County and Oyster Bay Town property record for 31 Diamond Dr, Plainview, NY 11803

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,700 sqft · built 1953
Lot Size	0.29 acres (12,641 sqft)
Owner	2 Individual Names on File
Last Sale	$638,000 (Mar 2016)
Tax Bill	$16,455 (2025)
Flood Zone	Zone X (minimal risk)
APN	`12-372-00-0021`

Property Details

APN / Parcel Number

Primary APN	`12-372-00-0021`
Alternative APNs	`2489-12-372-00-0021-0` `12372000021000000000` `282489 12.-372-21` `12372 00210`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	6 Rooms
Stories	1 Story
Building Area	1,700 sqft Living Area
1st Floor Area	1,090 sqft
Game Room	Game Room

Exterior

Year Built	Built 1953
Effective Year Built	Effective 1953
Architectural Style	Ranch
Exterior Material	Aluminum/Vinyl
Construction Type	Frame
Roof Material	Other
Lot Area	12,641 sqft (0.29 acres)
Lot Dimensions	137 ft deep x 51 ft wide

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	12372 00210
Street Address	31 DIAMOND DR
City	PLAINVIEW
State	NY
Zip	11803-2103
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TOWN #3 SCH DIST 019
Legal Subdivision	MORTON VLG SEC 2
Legal Block	372
Legal Lot Number	21
Jurisdiction	NASSAU NY
Township / Civil Division	OYSTER BAY
Census Block Group	1
Census Block	1000
Census Tract	519704

Owner

Source: Nassau County and Oyster Bay Town records · APN 12-372-00-0021

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	31 DIAMOND DR, PLAINVIEW, NY 11803-2103
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Mar 08, 2016 · Amount on Record
Deed Sale	Mar 08, 2016 · Amount on Record
Prior Sale	Jul 01, 2015 · Amount on Record
Deed Document Number	201623012
Deed Book / Page	D13330 / 528
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	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 (-7.59%) Land $378 Building $194	$572,000 (-7.59%)
2025	$16,455.00 (-3.27%)
2023	$17,012.00 Additional exemption filed	$619 Land $410 Building $209	$619,000

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	2 in force
Nearby Flood Claims	4 (1979–2023)
Claims Outside the SFHA	4 of 4
Most Recent Claim	Sep 2023 · Severe Storm And Flooding

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 605 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.