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644 Classon Avenue

103Records
9City systems
1Open violations
24.7Penalty rate
Brooklyn · ZIP 11238 · Neighborhood: Crown Heights (North)
Open in the map

103 recorded events, 1966–2026, from 9 city data systems. The city's paper trail here is mostly 33 311 service requests, 28 ACRIS deeds & mortgages, 16 HPD housing violations.

BoroughBrooklyn 11238
Built1920
Floors3
Res. units2
ClassB1
Owner (PLUTO)MHANY 2002 HOUSING DEVELOPMENT FUND CORP ORATION
BBL3011410049
BIN3027995

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 89% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 24.7. In ZIP 11238, 51% of residential buildings hold an A and 10% grade D or F. How grades work

this building
A
C

Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations1 total — 1 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 2025-05-19.

status snapshot refreshed weekly from HPD records

Patterns

No heat or hot-water complaints in the last three years.

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

What 311 hears from this address

11 service requests in the last three years. Most common: Noise (8) · Abandoned Vehicle (1) · DOOR/WINDOW (1) · Plumbing (1).

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 (1920)
NoSix or more residential units (2)
No421-a / J-51 tax benefit on the current tax roll

1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. 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)MHANY 2002 HDFC
Head officerISMENE SPELIOTIS
Managing agentMHANY MANAGEMENT, INC.
Last registered2025-07-24

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$1,500,000 $90,000
2026$1,526,000 $91,560
2027$1,329,000 $79,740

The city's market estimate has fallen 11% between tax years 2025 and 2027.

Tax exemptions on the roll: 420C

Flood exposure

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

Not in a hurricane evacuation zone.

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

SubwayPark Pl — S · 0.2 mi straight-line (about a 5-minute walk) · station accessibility: full
Franklin Av — C S · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: full
BusNearest boarding stop: Classon Av / Bergen St — B48 · 100 ft
Citi BikePacific St & Classon Ave · 500 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: Brooklyn Arts and Science Elementary School
Middle: Ebbets Field Middle School. 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

644 Classon 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

11 311 service requests from this address in the last three years.

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 MHANY MANAGEMENT, INC. — 204 buildings, 2,858 units. Grades across the portfolio: A49 · B77 · C36 · D26 · F16. See the whole portfolio

BuildingBoroughUnitsGrade
110 Dinsmore Place BK274 B
720 Tiffany Street BX183 B
1825 Atlantic Avenue BK150 B
587 East 139 Street BX90 A
445 Thomas S Boyland St BK88 B
54 Bristol Street BK80 B
1921 Cortelyou Road BK76 B
730 Rockaway Avenue BK64 B
530 West 178 Street MN55 B
674 East 136 Street BX43 C
664 Beck Street BX42 C
672 Beck Street BX41 B
2709 Pitkin Avenue BK40 B
671 Manida Street BX39 B
721 Van Siclen Avenue BK38 B
717 Coster Street BX37 A
428 East 117 Street MN37 A
2001 Marmion Avenue BX35 C
2170 Atlantic Avenue BK35 B
1682 Sterling Place BK33 A
234 East 119 Street MN30 B
226 East 119 Street MN30 B
575 West 155 Street MN28 C
124-20 Jamaica Avenue QN26 A
9 Ft Washington Avenue MN26 A
609 West 158 Street MN25 A
1141 Tiffany Street BX25 B
739 Coster Street BX25 C
741 Coster Street BX25 B
1024 Glenmore Avenue BK24 B
518 West 161 Street MN24 B
263 Parkside Avenue BK23 C
180 Grafton Street BK23 B
1035 Hall Place BX22 C
1036 Intervale Avenue BX21 B
1434 Morris Avenue BX21 B
15 Stratford Road BK21 A
1039 Intervale Avenue BX21 B
544 West 163 Street MN20 A
184 Monroe Street BK20 B
1350 Park Place BK19 D
1493 Park Place BK19 B
1158 Intervale Avenue BX18 C
446 East 117 Street MN18 C
917 Eagle Avenue BX16 C
1346 Bergen Street BK16 B
2323 Newkirk Avenue BK16 D
1055 Bergen Street BK16 F
494 East 138 Street BX15 C
492 East 138 Street BX15 C
107-04 150 Street QN13 D
89-06 138 Street QN12 C
497 Newport Street BK12 B
720 Snediker Avenue BK10 B
726 Snediker Avenue BK10 B
251 Mother Gaston Boulevard BK10 C
781 Belmont Avenue BK10 B
1354 East New York Avenue BK10 A
964 Dumont Avenue BK10 B
743 Cleveland Street BK9 C

showing 60 of 204 buildings

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $142,063 on 2014-06-30 (lender: New York City Housing Development Corporation), covering 21 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
2014-06-30Mortgage $142,063 — from MHANY 2002 HOUSING DEVELOPMENT FUND CORP to NEW YORK CITY HOUSING DEVELOPMENT CORPOR $142,063
2014-06-30Mortgage $6,053,963 — from MHANY 2002 HOUSING DEVELOPMENT FUND CORP to THE CITY OF NEW YORK, A MUNICIPAL CORPOR $6,053,963
2014-06-30RPTT&RET $5,942,670 — from NEW YORK EQUITY FUND 1993 LIMITED PARTNE to MHANY 2002 HOUSING DEVELOPMENT FUND CORP $5,942,670
2014-06-30AL&R $1,407,267 — from MHANY 2002 HOUSING DEVELOPMENT FUND CORP to NEW YORK CITY HOUSING DEVELOPMENT CORPOR; THE CITY OF NEW YORK, A MUNICIPAL CORPOR $1,407,267
2014-06-30Mortgage $1,265,204 — from MHANY 2002 HOUSING DEVELOPMENT FUND CORP to THE CITY OF NEW YORK, A MUNICIPAL CORPOR $1,265,204
1997-02-12Mortgage $7,196,748 — from ACORN HOUSING 2 ASSOCIATES LP to NYC HPD $7,196,748
1994-07-20Mortgage $208,418 — from MUTUAL HOUSING ASSOCIATION OF NEW YORK I to NYC HPD $208,418

Ten-year activity

1050
2017
2018
2019
2020
2021
2022
2023
2024
9
2025
2026
EnforcementHousing & tenantsHealth & systems
Show as table
YearEnforcementHousing & tenantsHealth & systemsTotal
20170000
20180101
20190000
20200404
20210303
20220303
20230112
20240617
20250819
20261315
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The full timeline

Construction 7Enforcement 1Housing & tenants 63Ownership & money 28Health & systems 4

Every one of the 103 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11238 · Landlord rankings · How grades work · The map · The Mice Map