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506 Riverdale Avenue

853Records
17City systems
16Open violations
259.3Penalty rate
Brooklyn · ZIP 11207 · Neighborhood: East New York-New Lots
Open in the map

853 recorded events, 1975–2026, from 17 city data systems. The city's paper trail here is mostly 291 HPD complaints, 267 311 service requests, 168 HPD housing violations.

BoroughBrooklyn 11207
Built1930
Floors3
Res. units9
ClassC1
Owner (PLUTO)HPENY HOUSING DEVELOPMENT FUND COMPANY, INC.
BBL3038360025
BIN3085432, 3394182

Full record, year by year   Support this site

GRADE C

A meaningful record of code violations or complaints relative to its peers. More recorded distress than 93% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 259.3. In ZIP 11207, 62% of residential buildings hold an A and 13% grade D or F. How grades work

this building
A
B
C

Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations16 total — 4 class C (immediately hazardous), 11 class B, 1 class A. Oldest open since 2018-08-14.

status snapshot refreshed weekly from HPD records

Patterns

12 heat or hot-water complaints in the last three years (winter 2025–26: 12).

No bedbug-infested units reported in the last three years of filings.

What 311 hears from this address

62 service requests in the last three years. Most common: PAINT/PLASTER (16) · DOOR/WINDOW (11) · FLOORING/STAIRS (7) · PLUMBING (5) · UNSANITARY CONDITION (5) · HEAT/HOT WATER (5).

Filed construction activity

No permitted work with a declared cost filed in the last decade. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.

Rent-stabilization signals

YesBuilt before 1974 (1930)
YesSix or more residential units (9)
No421-a / J-51 tax benefit on the current tax roll

2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).

Registered with HPD — the names behind the building

Registered owner(s)ENY DEVELOPMENT LLC
Head officerMEREDITH MARSHALL
Managing agentGREEN CEDAR MANAGEMENT, LLC
Last registered2026-02-13

as filed by the owner in the building's HPD registration

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$1,214,000 $546,300
2026$1,299,000 $584,550
2027$1,559,000 $701,550

The city's market estimate has risen 28% between tax years 2025 and 2027.

Tax exemptions on the roll: 420C

Building systems

Heating fuelNATURALGAS

Flood exposure

Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).

Hurricane evacuation zone 5 of 6 — zone 1 evacuates first.

Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.

No street-flooding or sewer-backup complaints on record at this address.

Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.

Getting around

SubwayLivonia Av — L · 0.2 mi straight-line (about a 5-minute walk) · station accessibility: full
Pennsylvania Av — 3 · 0.2 mi straight-line (about a 5-minute walk) · station accessibility: none
BusNearest boarding stop: New Lots Av / Malta St — B15 · 800 ft
Citi BikeHinsdale St & Newport St · 600 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 190 Sheffield. Confirm with the DOE's school search.

Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.

Report a problem to 311

506 Riverdale Avenue

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Anything elseAnything else

62 311 service requests from this address in the last three years — 5 of them about heat or hot water.

311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.

The landlord's report card

Managed by GREEN CEDAR MANAGEMENT, LLC — 59 buildings, 2,268 units. Grades across the portfolio: A9 · B22 · C14 · D8 · F4. See the whole portfolio

BuildingBoroughUnitsGrade
166-20 90 Avenue QN614 A
163-05 Archer Avenue QN605 A
43 Albany Avenue BK105 C
500 Livonia Avenue BK90 A
487 Livonia Avenue BK90 A
1600 Fulton Street BK78 A
453 Hinsdale Street BK60 B
379 Myrtle Avenue BK52 B
1577 Fulton Street BK50 A
122 Doscher Street BK39 A
970 Belmont Avenue BK28 A
385 Cleveland Street BK24 B
1163 Sutter Avenue BK23 B
316 New Lots Avenue BK23 C
518 Pennsylvania Avenue BK19 B
973 Dumont Avenue BK19 B
539 Alabama Avenue BK18 D
508 Williams Avenue BK16 B
532 Williams Avenue BK16 C
317 Elton Street BK16 C
514 Williams Avenue BK16 B
526 Williams Avenue BK16 B
520 Williams Avenue BK16 B
336 New Lots Avenue BK16 B
611 Pennsylvania Avenue BK15 C
496 Williams Avenue BK13 B
502 Williams Avenue BK13 B
490 Williams Avenue BK13 C
486 Williams Avenue BK13 C
2451 Pitkin Avenue BK13 C
474 Riverdale Avenue BK12 C
439 Montauk Avenue BK11 B
584 Williams Avenue BK10 B
2299 Pitkin Avenue BK10 B
506 Riverdale Avenue BK9 C
505 Williams Avenue BK8 B
332 New Lots Avenue BK8 C
542 Williams Avenue BK6 D
596 Logan Street BK6 A
300 New Lots Avenue BK6 B
520 Riverdale Avenue BK6 B
643 New Jersey Avenue BK6 B
673 New Jersey Avenue BK4 D
523 Hinsdale Street BK4 D
306 New Lots Avenue BK3 D
2307 Pitkin Avenue BK3 B
526 Riverdale Avenue BK3 F
660 New Jersey Avenue BK3 F
325 New Lots Avenue BK3 C
633 New Jersey Avenue BK3 B
620 Riverdale Avenue BK3 F
692 Georgia Avenue BK3 F
614 Riverdale Avenue BK3 D
653 Georgia Avenue BK2 C
645 Georgia Avenue BK2 C
847 St. Nicholas Avenue MN1 D
1320 Fulton Street BK1 D
123 West 125th Street MN— —
148- 10 Archer Avenue QN— —

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $18,720,000 on 2014-01-15 (lender: New York City Housing Development Corporation), covering 50 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2016-05-11Agreement $18,720,000 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to DEPARTMENT OF HOUSING PRESERVATION AND D $18,720,000
2014-01-16Agreement $9,533,032 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to DEPARTMENT OF HOUSING PRESERVATION AND D; THE CITY OF NEW YORK $9,533,032
2014-01-15Mortgage $18,720,000 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to NEW YORK CITY HOUSING DEVELOPMENT CORPOR $18,720,000
2014-01-15Mortgage $17,121,139 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to NEW YORK CITY HOUSING DEVELOPMENT CORPOR $17,121,139
2014-01-15Mortgage $8,178,889 — from HPENY HOUSING DEVELOPMENT FUND COMPANY, ; ENY DEVELOPMENT LLC to NEW YORK CITY HOUSING DEVELOPMENT CORPOR $8,178,889
2014-01-15Mortgage $44,821,111 — from HPENY HOUSING DEVELOPMENT FUND COMPANY, ; ENY DEVELOPMENT LLC to NEW YORK CITY HOUSING DEVELOPMENT CORPOR $44,821,111
2014-01-14Mortgage $1,443,766 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to EAST NEW YORK URBAN YOUTH CORPS,INC. $1,443,766
2014-01-14M&CON $2,902,945 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to BRP ENY LLC $2,902,945
2014-01-14Mortgage $25,228 — from ENY DEVELOPMENT LLC; HPENY HOUSING DEVELOPMENT FUND COMPANY, to RIVERDALE ASSOCIATES $25,228
2014-01-08Deed $4,057,406 — from RIVERDALE ASSOCIATES, L.P. to HPENY HOUSING DEVELOPMENT FUND COMPANY, $4,057,406
2014-01-08RPTT&RET $4,057,406 — from NEW YORK EQUITY FUND 1990 LIMITED PARTNE to HPENY HOUSING DEVELOPMENT FUND CO., INC. $4,057,406
2002-09-16Mortgage $812,000 — from SOFA REALTY CORP to ASTORIA FEDERAL SAVINGS AND LOAN ASSOCIA $812,000
1991-10-17Mortgage $4,041,241 — from RIVERDALE ASSOCIATES to NYC HPD $4,041,241

Ten-year activity

2001000
2017
2018
2019
2020
2021
2022
2023
118
2024
2025
2026
EnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
201701113
20180120113
201905005
20200140014
20210850186
20220920193
2023490114
2024011611118
20251180120
20264750079
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The full timeline

Construction 18Enforcement 39Housing & tenants 747Ownership & money 38Health & systems 11

Every one of the 853 recorded events, 1975–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11207 · Landlord rankings · How grades work · The map · The Mice Map