819 Union Ave, Riverhead, NY 11901 Property Records

Suffolk County and Riverhead Town property record for 819 Union Ave, Riverhead, NY 11901

Property Summary

Property Type	Single Family Home
Details	3 bd · 2 ba · 1,875 sqft · built 1974
Lot Size	0.46 acres (20,038 sqft)
Owner	2 Individual Names on File
Tax Bill	$8,922 (2024)
Deeds & Mortgages	Aug 2017 Transfer
Flood Zone	Zone X (minimal risk)
APN	`473000 66.-1-10`

Property Details

APN / Parcel Number

Primary APN	`473000 66.-1-10`
Alternative APNs	`0600-066.00-01.00-010.000` `300006600000010100000000` `4730006268` `23`

Interior

Bedrooms	3 Beds
Full Baths	2 Baths
Total Rooms	8 Rooms
Stories	1 Story
Building Area	1,875 sqft Living Area
1st Floor Area	1,230 sqft
Basement Area	645 sqft
Finished Basement	645 sqft

Exterior

Year Built	Built 1974
Effective Year Built	Effective 1974
Architectural Style	Raised Ranch
Exterior Material	Wood
Lot Area	20,038 sqft (0.46 acres)
Lot Dimensions	200 ft deep x 100 ft wide
View / Lot	Canal
Garage Type	Basement
Porch	Open Porch
Porch Area	288 sqft

Utilities, Heating & Cooling

Heating System	HVAC
Heating Fuel	Oil

Location & Zoning

Account Number	23
Street Address	819 UNION AVE
City	RIVERHEAD
State	NY
Zip	11901-1919
Property Category	Residential
Property Type	Residential > Single Family > Home
Local Zoning Code	04
Legal Description	W& NX NELSEN X UNION AVE S X ZAHLER
Legal Block	1
Legal Lot Number	10
Jurisdiction	SUFFOLK NY
Township / Civil Division	RIVERHEAD
Census Block Group	2
Census Block	2009
Census Tract	169906

Owner

819 Union Ave is owned and occupied by two individuals who acquired it in July 2017.

Source: Suffolk County and Riverhead Town records, as of August 11, 2026

Owner of Record	2 Individual Names on File
Mailing Address	819 UNION AVE, RIVERHEAD, NY 11901-1919
Occupancy	Owner Occupied
Owner Type	Individual

Owner names and exact recorded amounts are on file and can be viewed instantly on this page with a free 10-day trial.

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names	2 Names on Deed
Last Transfer Date	Jul 6, 2017
Transfer Doc	0129250803
Record Updated	Sep 20, 2026

August 2017: Quit Claim Deed, Transfer

Document Type	Quit Claim Deed
Jurisdiction	SUFFOLK NY
Recording Date	Aug 18, 2017
Property Address	819 UNION AVE, RIVERHEAD, NY 11901-1919
Document Number	0129250803
Book / Page	012925 / 000803
Instrument Date	Jul 6, 2017
Transaction Type	Transfer
Record Updated	Oct 5, 2017

Transaction

Tax	$0.00
Additional	Quitclaim

Transferred From (Grantor/Seller)

Name	Verified Name

Transferred To (Grantee/Buyer)

Name	Verified Name
Address	819 UNION AVE RIVERHEAD NY 119011919, RIVERHEAD, NY 11901-1919

Tax Assessment & Valuation

Source: Suffolk County and Riverhead Town assessment roll, as of August 11, 2026

Property Jurisdictions

Type	Name
State	New York
County	Suffolk County
County Subdivision	Riverhead Town
Unified School District	Riverhead Central School District (PK - 12)

Tax Bill & Assessment History

Year	Tax Bill	Assessed Value	Assessed Market Value
2025		$43,200 Land $8,900 Building $34,300	$529,412 Land $109,069 Building $420,343
2024	$8,922.00
2023		$43,200 Land $8,900 Building $34,300	$465,016 Land $95,802 Building $369,214

Assessed value and assessed market value are set for property tax purposes and are not market price estimates.

Flood

FEMA maps place 819 Union Ave in Zone X, an area of minimal flood risk.

Source: FEMA National Flood Hazard Layer, effective September 18, 2026 · OpenFEMA NFIP redacted claims and policies, as of September 2026

FEMA Flood Zone	Zone X minimal risk
Flood Insurance Requirement	Not required lenders may require it
Nearby Flood Policies	8 in force

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.

Wildfire

Wildfire risk around 819 Union Ave is low, with a 0.02% annual chance of wildfire.

Source: USDA Forest Service Wildfire Risk to Communities (2nd edition), as of 2024

Wildfire Risk	Low lower than 93% of the US · lower than 89% of New York
Wildfire Likelihood	0.02% annual chance
Exposure	Direct burnable vegetation

Values cover an area roughly 900 ft across, not the parcel itself; insurers use their own ratings.

Drinking Water

Source: EPA Safe Drinking Water Information System, as of September 2026

Water System	RIVERHEAD WATER DISTRICT serves 35,000 people · EPA ID NY5103705
Water Source	Groundwater
Last State Inspection	Jul 2025
Lead	2 ppb (2025–2027) action level 15 ppb

Violations Reported to EPA

Water Quality	Nitrite resolved · Jul 2023
Treatment and Procedure	None last 10 years
Monitoring and Reporting	None last 3 years

Results are for the whole water system, not water tested at this address; lead at the tap also depends on the building's own pipes.

Internet Providers

Source: FCC Broadband Data Collection, based on 37 locations within half a mile, as of December 31, 2025

Provider	Max Down / Up (Mbps)
Optimum Cable · Fiber in parts of the area	940 / 35
T-Mobile Fixed Wireless	100 / 20