850 Thomas Ave, Baldwin, NY 11510 Property Records

Nassau County and Hempstead Town property record for 850 Thomas Ave, Baldwin, NY 11510

Property Summary

Property Type	Single Family Home
Details	2.5 ba · 2,386 sqft · built 1898
Lot Size	0.194 acres (8,448 sqft)
Owner	2 Individual Names on File
Last Sale	$800,000 (Jul 2021)
Tax Bill	$18,627 (2025)
Deeds & Mortgages	Jul 2021 Sale & Mortgage
Flood Zone	Zone X (minimal risk)
APN	`54-482-00-0215`

Property Details

APN / Parcel Number

Primary APN	`54-482-00-0215`
Alternative APNs	`2089-54-482-00-0215-0` `54482000215000000000` `282089 54.-482-215` `54482 02150`

Interior

Full Baths	2.5 Baths
Half Baths	1 Half Bath
Total Rooms	8 Rooms
Stories	2 Stories
Building Area	2,386 sqft Living Area
Gross Area	2,806 sqft
1st Floor Area	796 sqft
Game Room	Game Room

Exterior

Year Built	Built 1898
Effective Year Built	Effective 1898
Architectural Style	Colonial
Exterior Material	Aluminum/Vinyl
Lot Area	8,448 sqft (0.194 acres)
Lot Dimensions	168 ft deep x 83 ft wide
Garage Type	Attached
Garage Area	420 sqft
Parking Spaces	2 Parking Spaces

Exterior Amenities

Pool Area	416 sqft
Porch	Open Frame Porch
Porch Area	48 sqft
Patio Area	288 sqft
Balcony Area	44 sqft

Utilities, Heating & Cooling

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

Location & Zoning

Account Number	54482 02150
Street Address	850 THOMAS AVE
City	BALDWIN
State	NY
Zip	11510-3922
Property Category	Residential
Property Type	Residential > Single Family > Home
Legal Description	TOWN #1 SCH DIST 010
Legal Block	482
Legal Lot Number	215
Jurisdiction	NASSAU NY
Township / Civil Division	HEMPSTEAD
Census Block Group	3
Census Block	3008
Census Tract	413700

Owner

Source: Nassau County and Hempstead Town records · APN 54-482-00-0215

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	850 THOMAS AVE, BALDWIN, NY 11510-3922
Occupancy	Owner Occupied
Owner Type	Individual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Verified Names on Deed
Last Sale	Jul 30, 2021 · Amount on Record
Deed Sale	Jul 30, 2021 · Amount on Record
Prior Sale	Oct 22, 2014 · Amount on Record
Deed Document Number	2021-100819
Deed Book / Page	14116 / 67
Record Updated	Sep 20, 2026

July 2021: Bargain and Sale Deed, Transfer

Document Type	Bargain and Sale Deed
Jurisdiction	NASSAU NY
Recording Date	Jul 30, 2021
Property Address	850 THOMAS AVE, BALDWIN, NY 11510-3922
Document Number	0141160067
Book / Page	14116 / 67
Instrument Date	Jul 12, 2021
Instrument	2021-100819
Transaction Type	Transfer
Record Updated	Aug 25, 2021
Title Company	CHICAGO TITLE

Transaction

Amount	Amount Recorded
Downpayment	Downpayment on File
Loan-to-Value (LTV)	LTV on Record
Tax	$3,200.00
Amount Accuracy	Rounded by County
Additional	Arm's Length

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	8901 107TH ST, RICHMOND HILL, NY 11418-2219

Mortgage

Document Number	0456850449
Date	Jul 30, 2021
Book Page	45685/449
Instrument	2021-100820

Lender

Name	QUICKEN LOANS INC
Type	Funding / Finance Company

Agreement

Type	Conventional Mortgage
Amount	Amount Recorded
Term	360 Months
Due	Aug 01, 2051

Interest

Rate Type	Fixed Rate

Tax Assessment & Valuation

Source: Nassau County and Hempstead Town records · Assessment roll updated June 17, 2026 · Last verified June 2026

Property Jurisdictions

Type	Name
State	New York
County	Nassau County
County Subdivision	Hempstead Town
Unified School District	Baldwin Union Free 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		$604 (-) Land $211 Building $393	$604,000 (-)
2025	$18,627.00 (+25.76%)
2023	$14,812.00 Additional exemption filed	$604 Land $211 Building $393	$604,000

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	5 in force
Nearby Flood Claims	1 (2012)
Claims Outside the SFHA	1 of 1
Most Recent Claim	Oct 2012 · Hurricane Sandy

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	2,300 / 2,300
T-Mobile USA Fixed Wireless	100 / 20

Based on FCC filings for 702 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	LIBERTY UTILITIES NEW YORK - LYNBROOK private · serves 220,000 people
Water Source	Groundwater
Last State Inspection	Jul 2023
Lead	5 ppb (2026) action level 15 ppb

Violations Reported to EPA

Water Quality	None last 10 years
Treatment and Procedure	Corrosion control Jul 2025
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.