210 Union Ave, Riverhead, NY 11901 Property Records

Suffolk County and Riverhead Town property record for 210 Union Ave, Riverhead, NY 11901

Property Summary

Property TypeDuplex
Details4 bd · 2 ba · 1,510 sqft · built 1910
Lot Size0.11 acres (4,792 sqft)
OwnerIndividual Name on Record
Tax Bill$6,670 (2024)
Deeds & MortgagesMar 2017 Transfer
Flood ZoneZone X (minimal risk)
APN473000 129.-3-2

Property Details

APN / Parcel Number

Primary APN473000 129.-3-2
Alternative APNs
  • 0600-129.00-03.00-002.000
  • 300012900000030020000000
  • 47300014427
  • 04

Interior

Bedrooms4 Beds
Full Baths2 Baths
Total Rooms7 Rooms
Units4 Units
Stories2 Stories
Building Area1,510 sqft Living Area
Gross Area1,744 sqft
1st Floor Area990 sqft
2nd Floor Area520 sqft

Exterior

Year BuiltBuilt 1910
Effective Year BuiltEffective 1910
Architectural StyleOld Style
Exterior MaterialComposition/Composite
Foundation TypeNo Foundation
Lot Area4,792 sqft (0.11 acres)
Lot Width52 ft Width
View / LotCanal
PorchEnclosed Porch
Porch Area234 sqft

Utilities, Heating & Cooling

Heating SystemHVAC
Heating FuelOil
Water SourceCommercial

Location & Zoning

Account Number04
Street Address210 UNION AVE
CityRIVERHEAD
StateNY
Zip11901-4730
Property CategoryResidential
Property TypeResidential > Multi-Unit > Duplex
Local Zoning Code08
Legal DescriptionNX HALNBCK EX GASCOYNE SX CRAYTON WX UNION AV 504 0000 1
Legal SubdivisionMAP OF OSTRANDER PROPERTY
Legal Block3
Legal Lot Number2
JurisdictionSUFFOLK NY
Township / Civil DivisionRIVERHEAD
Census Block Group4
Census Block4021
Census Tract169800

Historic Designation

Source: NPS National Register of Historic Places, as of August 1, 2026

Historic DistrictWithin the Second and Ostrander Historic District
listed 2017 · 220 contributing resources · NRIS 100001491

Federal listing alone does not restrict alterations; local historic district rules, which this data does not cover, may apply.

Owner

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

Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.

Owner of RecordIndividual Name on Record
Mailing Address112 ROBINSON PKWY, RIVERHEAD, NY 11901-2623
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed NamesName on Deed
Record UpdatedSep 20, 2026

March 2017: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSUFFOLK NY
Recording DateMar 17, 2017
Property Address210 UNION AVE, RIVERHEAD, NY 11901-4730
Document Number0129040935
Book / Page012904 / 000935
Instrument DateFeb 13, 2017
Transaction TypeTransfer
Record UpdatedSep 5, 2017

Transaction

Tax$0.00
Additional
  • Quitclaim

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address1579 MAPLE AVE PAOLI PA 193011249, PAOLI, PA 19301-1249

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionRiverhead Town
Unified School DistrictRiverhead Central School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$25,500 (-) Land $5,200 Building $20,300$312,500 (+13.85%) Land $63,725 Building $248,775
2024$6,670.00
2023$25,500 Land $5,200 Building $20,300$274,489 Land $55,974 Building $218,515

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

Flood

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

FEMA Flood ZoneZone X
minimal risk
Flood Insurance RequirementNot required
lenders may require it
Flood Insurance CostPremium on Record
median of 22 policies
Nearby Flood Policies22 in force
Nearby Flood Claims46 (1978–2020)
Claims Outside the SFHA21 of 46
Most Recent ClaimApr 2020 · other causes
Claims by Event
  • Hurricane Sandy, Oct 2012 · 15 claims
  • Coastal Storm, High Tides, Heavy Rain, & Flooding, Dec 1992 · 8 claims
  • Coastal Storms & Flooding, Mar 1984 · 7 claims

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

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

Wildfire RiskLow
lower than 80% of the US · above 54% of New York
Wildfire Likelihood0.01% annual chance
ExposureNone
beyond ember reach

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 SystemRIVERHEAD WATER DISTRICT
serves 35,000 people · EPA ID NY5103705
Water SourceGroundwater
Last State InspectionJul 2025
Lead2 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityNitrite
resolved · Jul 2023
Treatment and ProcedureNone
last 10 years
Monitoring and ReportingNone
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 244 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000

May also be available: T-Mobile, Verizon.

Nearby Properties on Union Ave

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