6521 20 Avenue
Brooklyn · 11204 · BBL 3055560002
6521 20 Avenue is a mixed residential and commercial building in Borough Park, Brooklyn, ZIP 11204. City records date it to 1931 and count 4 residential units of 5 total. The city's property file lists the owner of record as R&D Brothers Creation LLC. Its most recent total assessed value is $322K.
Taxes and assessed value
The city's Department of Finance assessed this lot at $322K for the 2026 tax year. That works out to $80K per residential unit. Assessed value is what the city taxes, not what the building would sell for, and the two routinely differ by a wide margin. The bill itself turns on the tax class rate and on any exemptions or abatements attached to the lot, neither of which is published here.
What the eviction record shows
No executed eviction is on record at 6521 20 Avenue in the citywide marshal file, which runs from April 2024.
Rent stabilization at this address
No DHCR rent-stabilization registration is on file for 6521 20 Avenue in the years PulseCities holds. Absence is not proof: an owner who stops registering leaves the same gap as a building that never had stabilized units. Checking your own apartment starts with the free rent history. How to check rent-stabilized status →
Open code violations
HPD and DOB inspectors have written 28 violations against this building, of which 2 remain unresolved. The most serious open grade here is non-hazardous, with 2 open violations.
Classes run A (non-hazardous) to C (immediately hazardous); DOB class I carries a vacate order. Source: NYC HPD violations, current through August 26, 2026.
311 complaint history
1 complaints in the past 12 months
NYC 311 housing and building complaints logged for this address. Source: NYC 311, current through August 26, 2026.
How 6521 20 Avenue compares in 11204
PulseCities tracks 9,955 lots in 11204, of which 76 carry an executed eviction from the marshal record, which starts in April 2024, and 661 carry a deed from the shorter ACRIS window. 11204 scores 32.6 out of 100 for displacement pressure, 80 of 177 scored NYC ZIP codes. The full signal breakdown for Borough Park →
Watch 6521 20 Avenue
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Questions about 6521 20 Avenue
Who owns 6521 20 Avenue?
The most recent deed on file for 6521 20 Avenue names R&D Brothers Creation LLC. Deeds record the party that took title, which is often a holding company rather than the operator managing the building.
Has 6521 20 Avenue changed hands recently?
No deed for 6521 20 Avenue appears in the ACRIS records PulseCities holds. That means no transfer has been published for this lot in the current window, not that the building has never been sold.
Have there been evictions at 6521 20 Avenue?
No executed eviction at 6521 20 Avenue appears in the NYC evictions dataset, which PulseCities holds from April 2024 forward. Executed evictions are the end of the process, so a building with none may still have active housing court cases.
Is 6521 20 Avenue rent stabilized?
No DHCR registration for 6521 20 Avenue appears in the years PulseCities holds. That is a gap in the registration record rather than an answer about any apartment, and the free rent history from NYS Homes and Community Renewal is what settles it.
What is 6521 20 Avenue assessed at for property taxes?
The Department of Finance assessed the lot at $322K for the 2026 tax year. That is the figure the city taxes rather than a sale price, and the bill depends on the tax class rate and on any exemptions on the lot.
What is the displacement risk around 6521 20 Avenue?
11204 (Borough Park) scores 32.6 out of 100 on the PulseCities displacement index. The score reads five ZIP-level signals: LLC acquisition rate, permit intensity, 311 complaint volume, executed evictions, and serious HPD violations. It describes the area around the building, not the building itself.
Sourced from NYC public records: ACRIS deeds, DOB permits, the NYC evictions dataset, and 311. Records reflect what agencies have published and can lag events.