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17 Classon Ave, Mastic, NY 11950 Property Records

Suffolk County and Brookhaven Town property record for 17 Classon Ave, Mastic, NY 11950 · Last verified August 2026

Property Summary

Property TypeSingle Family Home
Details4 bd · 1 ba · 1,614 sqft · built 1950
Lot Size0.18 acres (7,841 sqft)
OwnerIndividual Name on File
Last Sale$400,000 (Dec 2023)
Tax Bill$6,834 (2024)
Deeds & MortgagesDec 2023 Sale & Mortgage
Dec 2022 Sale & Mortgage
Flood ZoneZone X (minimal risk)
APN0200-824.00-08.00-022.000

Property Details

APN / Parcel Number

Primary APN0200-824.00-08.00-022.000
Alternative APNs
  • 472289 824.00-08-022.000
  • 228982400000080220000000
  • 00004512690
  • 0004512690
  • 4512690

Interior

Bedrooms4 Beds
Full Baths1 Bath
Total Rooms7 Rooms
Stories2 Stories
Building Area1,614 sqft Living Area

Exterior

Year BuiltBuilt 1950
Effective Year BuiltEffective 1950
Architectural StyleCape Cod
Exterior MaterialBrick
Lot Area7,841 sqft (0.18 acres)
View / LotWaterfront

Utilities, Heating & Cooling

Heating SystemRadiant

Location & Zoning

Account Number4512690
Street Address17 CLASSON AVE
CityMASTIC
StateNY
Zip11950-3203
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionMASTIC PARK 275 SEC 4 3341 TO 3344
Legal SubdivisionMASTIC PARK
Legal Block4000
Legal Lot Number800
JurisdictionSUFFOLK NY
Township / Civil DivisionBROOKHAVEN
Census Block Group1
Census Block1009
Census Tract159416

Owner

Source: Suffolk County and Brookhaven Town records · APN 0200-824.00-08.00-022.000

Assessment roll updated August 11, 2026 · Last verified August 2026

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

Owner of RecordIndividual Name on File
Mailing Address548 HOWELL CT, RIVERHEAD, NY 11901-6211
Owner TypeIndividual
VestingIndividual(s)

Deeds, Mortgages & Sale History

DateDocument
Dec 01, 2023Deed, Transfer · Stand-Alone First Mortgage
UNITED MORTGAGE CORP
Dec 23, 2022Deed, Transfer · Stand-Alone First Mortgage
A & D MORTGAGE LLC

Assessor's Deed Record

Deed NamesVerified Name on Deed
Last SaleDec 01, 2023 · Amount on Record
Deed SaleDec 01, 2023 · Amount on Record
Prior SaleDec 23, 2022 · Amount on Record
Deed Book / Page13227 / 902
Record UpdatedSep 20, 2026

December 2023: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateDec 01, 2023
Property Address17 CLASSON AVE, MASTIC, NY 11950-3203
Document Number0132270902
Book / Page13227 / 902
Instrument DateSep 22, 2023
Transaction TypeTransfer
Record UpdatedMar 26, 2024
Title CompanyNOT AVAILABLE, WESTCORE TITLE

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address548 HOWELL CT, RIVERHEAD, NY 11901-6211

Mortgage

Document Number0023552161
DateDec 01, 2023
Instrument23552/161
Lender
NameUNITED MORTGAGE CORP
TypeMortgage Company
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

December 2022: Deed, Transfer

Document TypeDeed
JurisdictionSUFFOLK NY
Recording DateDec 23, 2022
Property Address17 CLASSON AVE, MASTIC, NY 11950-3203
Document Number0131820978
Book / Page13182 / 978
Instrument DateAug 31, 2022
Transaction TypeTransfer
Record UpdatedJan 09, 2024

Transaction

AmountAmount Recorded
DownpaymentDownpayment on File
Loan-to-Value (LTV)LTV on Record
Tax$0.00
Amount AccuracyFull Amount Stated
Additional
  • Arm's Length

Transferred From (Grantor/Seller)

NameVerified Name

Transferred To (Grantee/Buyer)

NameVerified Name
Address24 WISTERIA DR, REMSENBURG, NY 11960

Mortgage

Document Number0023469651
DateDec 23, 2022
Instrument23469/651
Lender
NameA & D MORTGAGE LLC
Agreement
TypeStand-Alone First Mortgage
AmountAmount Recorded

Tax Assessment & Valuation

Source: Suffolk County and Brookhaven Town records · Assessment roll updated August 11, 2026 · Last verified August 2026

Property Jurisdictions

TypeName
StateNew York
CountySuffolk County
County SubdivisionBrookhaven Town
Unified School DistrictWilliam Floyd Union Free School District (PK - 12)

Tax Bill & Assessment History

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

YearTax BillAssessed ValueAssessed Market Value
2025$1,680 (-) Land $160 Building $1,520$350,000 (+11,150.4%) Land $30,189 Building $286,792
2024$6,834.00
2023$1,680 (-) Land $160 Building $1,520$3,111 (+14.8%) Land $296 Building $2,815
2022$1,680 Land $160 Building $1,520$2,710 Land $258 Building $2,452

Flood & Wildfire

Source: FEMA National Flood Hazard Layer, Suffolk County (36103C), updated September 18, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 361031594161, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026

Flood

FEMA Flood ZoneZone X
Special Flood Hazard AreaNo
Flood HazardMinimal
500-Year FloodplainNo
Nearby Flood Policies2 in force

Wildfire

Wildfire RiskNot rated
no burnable land in reach
Wildfire LikelihoodNegligible
ExposureNone
beyond 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, availability as of December 31, 2025 · Published October 2026 · based on 531 locations within about half a mile of this property

ProviderTechnologyDownload / Upload (Mbps)
Optimum CommunicationsFiber8,000 / 8,000
Optimum CommunicationsCable940 / 35
VerizonFixed Wireless300 / 20
T-Mobile USAFixed Wireless100 / 20
StarlinkSatellite (low-earth orbit)280 / 30

Availability varies by address; speeds are provider-advertised maximums, not measured.

Mobile Coverage

5G and 4G LTE

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