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21 Greis Ave, Nesconset, NY 11767 Property Records

Suffolk County and Smithtown Town property record for 21 Greis Ave, Nesconset, NY 11767

Property Summary

Property TypeSingle Family Home
Details3 bd · 1 ba · 1,290 sqft · built 1997
Lot Size0.23 acres (10,019 sqft)
OwnerIndividual Name on File
Last Sale$389,000 (Jun 2016)
Tax Bill$12,154 (2024)
Deeds & MortgagesMay 2018 Transfer
Flood ZoneZone X (minimal risk)
APN473489 169.-2-33

Property Details

APN / Parcel Number

Primary APN473489 169.-2-33
Alternative APNs
  • 0800-169.00-02.00-033.000
  • 348916900000020330000000
  • 47340039337

Interior

Bedrooms3 Beds
Full Baths1 Bath
Stories1 Story
Building Area1,290 sqft Living Area
Gross Area1,846 sqft
1st Floor Area1,290 sqft
Fireplaces1 Fireplace
FireplaceFireplace

Exterior

Year BuiltBuilt 1997
Effective Year BuiltEffective 1997
Architectural StyleRanch
Exterior MaterialAluminum/Vinyl
Lot Area10,019 sqft (0.23 acres)
View / LotSuburban
Garage TypeAttached
Garage Area556 sqft
Parking Spaces2 Parking Spaces

Utilities, Heating & Cooling

Heating SystemHot Water
Heating FuelOil
SewerConnected
Water SourceCommercial

Location & Zoning

Street Address21 GREIS AVE
CityNESCONSET
StateNY
Zip11767-3009
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal Description19-767476 TC-58 *1174 LOTS 17 TO 21 INSTEUBEN PARK SEC A BLK 1
Legal SubdivisionSTEUBEN PK
Legal Block2
Legal Lot Number33
JurisdictionSUFFOLK NY
Township / Civil DivisionSMITHTOWN
Census Block Group2
Census Block2015
Census Tract135403

Owner

21 Greis Ave is owned and occupied by an individual who bought it in June 2016.

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

Owner of RecordIndividual Name on File
Mailing Address21 GREIS AVE, NESCONSET, NY 11767-3009
OccupancyOwner Occupied
Owner TypeIndividual

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 NamesName on Deed
Last SaleJun 15, 2016 · Amount on File
Deed SaleJun 15, 2016 · Amount on File
Prior SaleOct 20, 2005 · Amount on File
Deed Book / Page12867 / 955
Prior Transfer DateJun 4, 1994
Prior Transfer Doc1167000856
Record UpdatedOct 29, 2026

May 2018: Quit Claim Deed, Transfer

Document TypeQuit Claim Deed
JurisdictionSUFFOLK NY
Recording DateMay 18, 2018
Property Address21 GREIS AVE, NESCONSET, NY 11767-3009
Document Number0129620319
Book / Page012962 / 000319
Instrument DateApr 25, 2018
Transaction TypeTransfer
Record UpdatedJul 9, 2018

Transaction

Tax$0.00
Additional
  • Quitclaim
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address21 GREIS AVE NESCONSET NY 117673009, NESCONSET, NY 11767-3009

Tax Assessment & Valuation

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

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionSmithtown Town
Unified School DistrictSachem Central School District (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2025$5,175 Land $250 Building $4,925$646,875 Land $31,250 Building $615,625
2024$12,154.00
2023$5,175 Land $250 Building $4,925$5,948 Land $287 Building $5,661

Assessed value is set for property tax purposes, not a market price estimate; it is a fraction of this property's market value.

Flood

FEMA maps place 21 Greis Ave in Zone X, an area of minimal flood risk, though there have been 8 flood claims nearby since 1979.

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
Nearby Flood Claims8 (1979–2010)
Claims Outside the SFHA8 of 8
Most Recent ClaimMar 2010 · Severe Storms And Flooding

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 21 Greis Ave is low, with less than a 0.01% annual chance of wildfire.

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

Wildfire RiskLow
lower than 96% of the US · lower than 95% of New York
Wildfire LikelihoodUnder 0.01% 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 SystemSUFFOLK COUNTY WATER AUTHORITY
serves 1,100,000 people · EPA ID NY5110526
Water SourceGroundwater
Last State InspectionJan 2024
Lead1 ppb (2025–2027)
action level 15 ppb

Violations Reported to EPA

Water QualityAsbestos
resolved · Jul 2020
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 318 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable		8,000 / 8,000
Verizon
Fiber		2,300 / 2,300

Cell Coverage

5G (outdoors only) and 4G LTE

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