6505 20th Ave, Brooklyn, NY 11204 Property Records

New York City property record for 6505 20th Ave, Brooklyn, NY 11204

Property Summary

Property TypeMixed Use Commercial Office / Residential
Details3,300 sqft · built 1931
Lot Size0.042 acres (1,810 sqft)
OwnerIndividual Name on File
Tax Bill$11,725 (2025)
APN05556-0008

Property Details

APN / Parcel Number

Primary APN05556-0008
Alternative APNs
  • 1704055560008
  • 3-05556-0008

Interior

Units10 Units
Stories3 Stories
Building Area3,300 sqft Gross Area
1st Floor Area1,100 sqft

Exterior

Year BuiltBuilt 1931
Effective Year BuiltEffective 1931
Lot Area1,810 sqft (0.042 acres)
Lot Dimensions90.5 ft deep x 20 ft wide

Location & Zoning

Account Number3-05556-0008
Street Address6505 20TH AVE
CityBROOKLYN
StateNY
Zip11204-3962
Property CategoryCommercial
Property TypeCommercial > Office > Mixed Use Commercial Office / Residential
Local Zoning CodeR5
Legal Block5556
Legal Lot Number8
JurisdictionKINGS (BROOKLYN) NY
Township / Civil DivisionBROOKLYN
Census Block Group2
Census Block2003
Census Tract25600

Owner

6505 20th Ave, a commercial property, is owned by an individual.

Source: New York City records, as of May 4, 2026

Owner of RecordIndividual Name on File
Mailing Address985 CENTRAL DR, MATTITUCK, NY 11952-1089
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
Record UpdatedJun 8, 2026

Tax Assessment & Valuation

The 2025 property tax bill for 6505 20th Ave was $11,725.

Source: New York City assessment roll, as of May 4, 2026

Property Jurisdictions

TypeName
StateNew York
CountyKings County
MunicipalityNew York City
Unified School DistrictNew York City Department Of Education (PK - 12)

Tax Bill & Assessment History

YearTax BillAssessed ValueAssessed Market Value
2026$497,700 Land $95,400 Building $402,300$1,106,000 Land $212,000 Building $894,000
2025$11,725.00
2023$10,519.00$319,500 Land $95,400 Building $224,100$710,000 Land $212,000 Building $498,000

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

Flood

FEMA has no flood map on file for 6505 20th Ave.

Source: FEMA National Flood Hazard Layer

FEMA Flood ZoneNot on file

Values are read at the parcel center point; lenders make the official flood determination.

Wildfire

The area around 6505 20th Ave has no burnable land within ember reach, so its wildfire risk is not rated.

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 SystemNEW YORK CITY SYSTEM
serves 8,271,000 people · EPA ID NY7003493
Water SourceSurface water
Last State InspectionDec 2025
Lead10 ppb (2024)
action level 15 ppb

Violations Reported to EPA

Water QualityNone
last 10 years
Treatment and ProcedureUncovered finished water reservoir
currently in violation since Feb 2017
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 2,047 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

May also be available: Skywire Networks, Starry, T-Mobile.

Nearby Properties on 20th Ave

Nearby Streets

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