× Home › Property records › Kings County › Brooklyn › Avenue T › 6409 Avenue T6409 Avenue TBrooklyn · Kings County · 11234
Owner of record
Owner Harnach, Diane L
Assessment · 2025 roll
Land assessed $8,520
Total assessed $39,780
Est. annual tax $6,383 (2027, excl. special districts)
Building
Style Converted (From One Family)
Year built 1920
Living area 1,296 sq ft
Lot
Size 0.05 acres (GIS)
Frontage × depth 20 × 100 ft
Lot sq ft 2,000
Zoning
District R3-2
FAR 0.65 built · 0.75 max residential · 1.0 max facility
Zoning map 23b
Recorded documents · 1
DEED
Feb 2, 2007
grantor/seller Seifert Surviving Spouse , Louise; Seifert, Rudolph
grantee/buyer Harnach, Diane L; Seifert , Louise
View on ACRIS ↗
DOB complaints — total 1 · open 0 · closed 1
Zoning – non-conforming
Closed
Apr 4, 2023
Complaint 3899788
View on BIS ↗ No DOB violations or HPD violations on file.
Deed & identifiers
SBL 3083860007
SWIS 610100
Parcel ID 6101003083860007
Who owns 6409 Avenue T? 6409 Avenue T, Brooklyn is owned by Harnach, Diane L per the 2025 NYS assessment roll.
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Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it.
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