91 Derby St, Valley Stream, NY 11581 Property Records

Nassau County and Hempstead Town property record for 91 Derby St, Valley Stream, NY 11581

Property Summary

Property TypeSingle Family Home
Details1 ba · 1,129 sqft · built 1923
Lot Size0.092 acres (4,000 sqft)
Owner2 Individual Names on Record
Last Sale$300,000 (Feb 2011)
Tax Bill$7,794 (2025)
Flood ZoneZone X (minimal risk)
APN39-394-00-0009

Property Details

APN / Parcel Number

Primary APN39-394-00-0009
Alternative APNs
  • 2035-39-394-00-0009-0
  • 39394000009000000000
  • 282035 39.-394-9
  • 39394 00090

Interior

Full Baths1 Bath
Total Rooms8 Rooms
Stories2 Stories
Building Area1,129 sqft Living Area
Gross Area1,179 sqft
1st Floor Area480 sqft
Basement Area50 sqft

Exterior

Year BuiltBuilt 1923
Effective Year BuiltEffective 1923
Architectural StyleOld Style
Exterior MaterialAluminum/Vinyl
Construction TypeFrame
Roof MaterialOther
Lot Area4,000 sqft (0.092 acres)
Lot Dimensions100 ft deep x 40 ft wide
Garage TypeDetached
Garage Area324 sqft
Parking Spaces1 Parking Space

Utilities, Heating & Cooling

Cooling SystemCentral
Heating SystemCentral
Heating FuelOil
SewerMunicipal
Water SourceCommercial

Location & Zoning

Account Number39394 00090
Street Address91 DERBY ST
CityVALLEY STREAM
StateNY
Zip11581-1817
Property CategoryResidential
Property TypeResidential > Single Family > Home
Legal DescriptionTOWN #1 SCH DIST 024
Legal SubdivisionGIBSON CORPORATION/VLY STRM MA
Legal Block394
Legal Lot Number9
JurisdictionNASSAU NY
Township / Civil DivisionHEMPSTEAD
Census Block Group4
Census Block4014
Census Tract410800

Owner

Source: Nassau County and Hempstead Town records, as of June 17, 2026

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

Owner of Record2 Individual Names on Record
Mailing Address91 DERBY ST, VALLEY STREAM, NY 11581-1817
OccupancyOwner Occupied
Owner TypeIndividual

Deeds, Mortgages & Sale History

Assessor's Deed Record

Deed Names2 Names on Deed
Last SaleFeb 23, 2011 · Amount on Record
Deed SaleFeb 23, 2011 · Amount on Record
Prior SaleMay 6, 2010 · Amount on Record
Deed Document Number2011630
Deed Book / Page12696 / 410
Record UpdatedSep 20, 2026

Tax Assessment & Valuation

Source: Nassau County and Hempstead Town assessment roll, as of June 17, 2026

Property Jurisdictions

TypeName
StateNew York
CountyNassau County
County SubdivisionHempstead Town
MunicipalityValley Stream Village
Elementary School DistrictValley Stream Union Free School District 24 (KG - 06)
Secondary School DistrictValley Stream Central High School District (07 - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$419 (-) Land $170 Building $249$419,000 (-)
2025$7,794.00 (+6.93%)
2023$7,289.00 Homeowner's exemption$419 Land $170 Building $249$419,000

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.

Flood

Source: FEMA National Flood Hazard Layer, effective April 5, 2023 · 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 17 policies
Nearby Flood Policies17 in force
Nearby Flood Claims12 (1980–2023)
Claims Outside the SFHA6 of 12
Most Recent ClaimSep 2023 · Severe Storm And Flooding
Claims by Event
  • Hurricane Irene, Aug 2011 · 4 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 RiskNot rated
no burnable land within 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 SystemLIBERTY UTILITIES NEW YORK - LYNBROOK
private · serves 220,000 people · EPA ID NY2902835
Water SourceGroundwater
Last State InspectionJul 2023
Lead5 ppb (2026)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureCorrosion control
Jul 2025
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 761 locations within half a mile, as of December 31, 2025

ProviderMax Down / Up (Mbps)
Optimum
Fiber · Cable
8,000 / 8,000
Verizon
Fiber · Fixed Wireless in parts of the area
2,300 / 2,300
T-Mobile
Fixed Wireless
100 / 20

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