550 East 21 Street
Brooklyn · 11226 · BBL 3051840031 · look up another building
A company took title here in June 30, 2026.
Most recent filing on this building: a violation, September 24, 2026
550 East 21 Street is a multi-family elevator building in Flatbush, Brooklyn, ZIP 11226. City records date it to 1952 and count 54 apartments. The city's property file lists the owner of record as 550 EAST 21 LLC. Its total assessed value is $1.4M, for the 2026 tax year.
DHCR registration lists 54 rent-stabilized units here in 2023, but that is the building and not your apartment. The state will send you your own rent history free, and it is the only binding answer on what you should be paying.
Who owns 550 East 21 Street
The most recent recorded deed is dated Jun 30, 2026, transferring the lot to MAK 2021 LLC. PulseCities holds 1 recorded deed for this lot. Deeds recorded through September 29, 2026, the most recent day the city has published.
A deed names a party of record. Stated consideration of $0 usually marks a transfer between related parties rather than a sale.
Know the month this building changes
Most buildings here are quiet. Two filings a year is normal, so most months there's nothing to report on 550 East 21 Street and we'll say so. The point is the month we do
Sales and ownership history at 550 East 21 Street
| Party recorded | Recorded | Amount |
|---|---|---|
| Mak 2021 LLCDEED from MK2021 LLC | Jun 30, 2026 |
Deeds and assignments recorded in ACRIS, one row per document. Amount is the stated consideration; $0 often marks a non-arms-length transfer. An assignment moves a lender's paper and is not a sale. Source: NYC ACRIS, current through September 29, 2026.
Taxes and assessed value for 550 East 21 Street
The city's Department of Finance assessed this lot at $1.4M for the 2026 tax year. That works out to $26K 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.
3 marshal evictions at 550 East 21 Street
City marshals executed 3 evictions at 550 East 21 Street in the record PulseCities holds, the most recent on Mar 25, 2025. The first fell on Aug 12, 2024, so the filings span 7 months. That is more than 8 in 10 buildings its size in 11226. Holding the marshal docket number or the court index number from one of these? Look up that case →
Rent stabilization at 550 East 21 Street
DHCR registration records list 54 rent-stabilized units at this building in 2023, the most recent year PulseCities holds. That is up from 53 units in 2018. Registration is building-level and does not settle the status of any single apartment; the rent history does. Checking your own apartment starts with the free rent history from the state. That is the only binding answer, and it takes time to come back. While you wait, you can get an email when the record here moves: a deed, an eviction, a permit or a violation filed on this building. How to check rent-stabilized status →
Open code violations at 550 East 21 Street
HPD and DOB inspectors have written 145 violations against this building, of which 13 remain unresolved. That is more than 6 in 10 buildings its size in 11226. The most serious open grade here is immediately hazardous, with 4 open violations.
Classes run A (non-hazardous) to C (immediately hazardous); DOB class I carries a vacate order. Source: NYC HPD violations, current through October 10, 2026.
Violation history at 550 East 21 Street
| Violation | Issued | Class |
|---|---|---|
| Properly repair or replace the broken or defective lower sash spring balance at west wall window in the 3rd ro…Violation Will Be Reinspected | Sep 24, 2026 | B |
| Repair the broken or defective plastered surfaces and paint in a uniform color at ceiling in the bathroomViolation Will Be Reinspected | Sep 24, 2026 | B |
| Properly repair or replace the broken or defective lower sash spring balance at west wall window in the 3rd ro…Violation Will Be Reinspected | Sep 24, 2026 | B |
| Properly repair the source and abate the evidence of a water leak at ceiling in the bathroomViolation Will Be Reinspected | Sep 24, 2026 | B |
| Abate the infestation consisting of mice in the entire apartmentNotice Of Issuance Sent To Tenant | May 26, 2026 | C |
| Repair the broken or defective plastered surfaces and paint in a uniform color at west walls in the bathroomNov Sent Out | May 26, 2026 | B |
| Properly repair the source and abate the evidence of a water leak at west wall in the bathroomNov Sent Out | May 26, 2026 | B |
| File annual bedbug report in accordance with hpd rule as described on the back of this notice of violation or…Nov Sent Out | May 4, 2026 | A |
The 8 most recent violations written against this building, newest first, 4 of them still open. Each row is the inspector's own wording with the statute citation removed. Source: NYC HPD violations, current through October 10, 2026.
311 complaint history at 550 East 21 Street
35 complaints in the past 12 months
NYC 311 housing and building complaints logged for this address. Source: NYC 311, current through October 10, 2026.
How 550 East 21 Street compares in 11226
PulseCities tracks 5,316 lots in 11226, of which 473 carry an executed eviction from the marshal record, which starts in April 2024, and 371 carry a deed from the shorter ACRIS window. This building is in that second group, which is 8.9% of the ZIP. 11226 scores 48.8 out of 100 for displacement pressure, 18 of 177 scored NYC ZIP codes. The full signal breakdown for Flatbush →
What else this owner holds
Mak 2021 LLC took title to 3 other buildings in the deed record. A shared buyer on a deed is a fact about the filing, not proof that one operation runs them all:
Other buildings on this block
The city's files carry a record for 4 other addresses on tax block 5184 in Brooklyn. They run in lot order, which is roughly the order you would walk them:
Questions about 550 East 21 Street
Who owns 550 East 21 Street?
The most recent deed on file for 550 East 21 Street names MAK 2021 LLC. Deeds record the party that took title, which is often a holding company rather than the operator managing the building. That deed was recorded Jun 30, 2026.
Has 550 East 21 Street changed hands recently?
PulseCities holds 1 recorded deed for this lot. Deeds appear here once the city publishes them to ACRIS, which runs behind the closing date.
Have there been evictions at 550 East 21 Street?
Yes. Three marshal-executed evictions at 550 East 21 Street appear in the NYC evictions dataset, the most recent on Mar 25, 2025. The dataset covers executed evictions only, so it undercounts housing court activity: cases that settle or end in a move-out never reach a marshal.
Is 550 East 21 Street rent stabilized?
DHCR registrations list 54 stabilized units at this building in 2023. Registration is building-level, so it does not settle whether one apartment is stabilized. The free rent history from NYS Homes and Community Renewal does.
What is 550 East 21 Street assessed at for property taxes?
The Department of Finance assessed the lot at $1.4M 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 550 East 21 Street?
11226 (Flatbush) scores 48.8 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.
Look up another building
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.