Building record from city data · BROOKLYN, NY

520 Crown St

Printed 2026-10-21 from blueflo.tech/b/520-crown-street-brooklyn, where it is kept current. These are city records, not an inspection by Blueflo. Every item shows its source and the date it was last checked. Not a warranty. May not be used for tenant screening (terms of use).

built 1921 · 4 stories · 35 apartments · BIN 3034322 · BBL 3013000021

Worth knowing
1 open immediately hazardous (class C) HPD violation about heat or hot water
Source: Housing Maintenance Code Violations · as of 2026-10-19
Worth knowing
Also on record
Clean in the records
Registered with the city

MDAYS REALTY LLC, 520 CROWN LLC

Heat or hot water: 8 reports to the city since 2024
2024Heat or hot water · Jan 2024 · 1 report (2 complaints)Jan 5, 2024Jan 9, 2024Heat or hot water · Dec 2024 · 2 reports (3 complaints)Dec 2, 2024Dec 21, 2024Dec 24, 2024
2025Heat or hot water · Jan 2025 · 1 report (3 complaints)Jan 4, 2025Jan 7, 2025Jan 9, 2025Heat or hot water · Feb 2025 · 1 report (1 complaint)Feb 17, 2025Heat or hot water · Dec 2025 · 1 report (1 complaint)Dec 3, 2025
2026Heat or hot water · Jan 2026 · 1 report (1 complaint)Jan 25, 2026Heat or hot water · Oct 2026 · 1 report (1 complaint)Oct 18, 2026
Source: HPD Complaints and Problems · as of 2026-10-21

Also reported

2024 – 2026

A filled month had a report to HPD; darker means more than one, and the past year is brightest. Tap one to read it. Complaints within a week count as one report. Records list complaints filed, not conditions found.

Apartments named in these records

7 of this building’s 35 apartments are named in a city record. The rest have no record naming them, which is the usual case.

These are city records about an apartment, not about anyone who lives or lived there. They may not be used to screen a tenant.

Heat and hot water

10 complaints, 2024–2026 · 3 in the past year
Heat source

Boiler burning natural gas (Rockmills MP-60), registration current since Jan 2025

Clean Air Tracking System (boiler registrations), as of 2026-10-20 · See this building's boiler registrations on NYC Open Data →
Boiler inspection filings

Latest accepted inspection Mar 2026, defects reported: no

DOB NOW: Safety Boiler, as of 2026-10-19 · See the boiler filings at DOB →
What this counts

Accepted annual boiler inspection filings, any date

Heat and hot water complaints

2 heat or hot water complaints

Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →
What this counts

HPD complaints, heat season 2025–26 (Oct 1–May 31)

  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

Older records on file

Pests and cleanliness

1 complaint, 2026

Fire and safety

Issues on record, most recently 2024

Electrical

1 complaint, 2025

Structure and facade

Older records on file
What has happened here
2025 Dec
Walls, floors and stairsApt B7 class A · closed · HPD violation
2025 Dec
Walls, floors and stairsApt B125 class A · closed · HPD violation
2024 Aug
Walls, floors and stairsApt B125 class B · closed · HPD violation
2024 Aug
Walls, floors and stairsApt B125 class A · closed · HPD violation
2024 Aug
Walls, floors and stairsApt B125 class B · closed · HPD violation
2024 Aug
Walls, floors and stairsApt B125 class B · closed · HPD violation
Show 25 more
2024 Aug
Walls, floors and stairsApt B125 class B · closed · HPD violation
2024 Aug
Doors and windowsApt B125 class B · closed · HPD violation
2024 Aug
Walls, floors and stairsApt B125 class B · closed · HPD violation
2024 Aug
Doors and windowsApt B125 class B · closed · HPD violation
2024 Aug
Walls, floors and stairsApt B125 class B · closed · HPD violation
2024 Jul
Walls, floors and stairs class A · closed · HPD violation
2024 May
Walls, floors and stairsApt A7 class A · closed · HPD violation
2024 Apr
Doors and windowsApt B125 class B · closed · HPD violation
2024 Apr
Walls, floors and stairsApt B125 class B · closed · HPD violation
2024 Apr
Walls, floors and stairsApt B125 class A · closed · HPD violation
2016 Nov
General construction permit
2016 Oct
General construction permit
2016 Oct
General construction permit
2016 Feb
General construction permit
2014 Aug
Doors and windowsApt A4 class A · never closed · HPD violation
2014 Aug
Doors and windowsApt A4 class B · never closed · HPD violation
2014 Aug
Doors and windowsApt A4 class A · never closed · HPD violation
2014 Aug
Walls, floors and stairsApt A4 class B · never closed · HPD violation
2014 Aug
Doors and windowsApt A4 class A · never closed · HPD violation
2014 Aug
Doors and windowsApt A4 class B · never closed · HPD violation
2014 Mar
Walls, floors and stairsApt B2 class B · never closed · HPD violation
2013 Jun
Doors and windowsApt B2 class B · never closed · HPD violation
2013 Jun
Doors and windowsApt B2 class B · never closed · HPD violation
2013 Mar
Doors and windowsApt B2 class A · never closed · HPD violation
2013 Mar
Walls, floors and stairsApt B2 class B · never closed · HPD violation
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingno recordNo sidewalk shed permits on record
  • Landmark statusno recordNot in a historic district on record

Flooding

No issues on record
FEMA flood zone

Outside FEMA's 1% annual-chance flood zone: X

FEMA National Flood Hazard Layer, as of 2026-10-20
What this counts

Effective FIRM zones touching the building footprint

Stormwater flooding

Extreme storm, 2080 sea levels: Not in mapped flooding; Moderate storm, 2050 sea levels: Not in mapped flooding; Moderate storm, today's sea levels: Not in mapped flooding; Limited storm, today's sea levels: Not loaded (file format unreadable)

NYC Stormwater Flood Maps, as of 2024-07-03
What this counts

Mapped ponding touching the building footprint

  • BasementfoundNo basement

Rent and tenancy

On the state list
Rent stabilization

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)

Rent Stabilized Building Lists (2024 HCR registrations), as of 2025-11-30
What this counts

The list doesn't say which apartments are stabilized, and being listed isn't proof of current status. For a specific apartment, request its rent history from HCR

Energy

Energy

ENERGY STAR score 75 (2024 report)

Energy and Water Data Disclosure (Local Law 84), as of 2025-11-25
What this counts

Letter grades are issued by the city under Local Law 33 and posted near the building entrance; Blueflo shows the reported score only

General condition and all records

HPD violations

3 open: 3 about building conditions — fire safety (1), heat or hot water (1), other conditions (1); 1 immediately hazardous (class C). Also 19 older records from 2013–2015 never closed. 25 further violations from 2024–2025 were closed. 196 violations on record in all, 1998–2025 — the 59 most recent are listed here

2025 Dec
Fire safetyApt B7 class C · closed
2025 Dec
PestsApt B7 class C · closed
2025 Dec
Walls, floors and stairsApt B7 class A · closed
2025 Dec
Walls, floors and stairsApt B125 class A · closed
2025 Dec
MoldApt B125 class A · closed
2024 Aug
Walls, floors and stairsApt B125 class B · closed
2024 Aug
Walls, floors and stairsApt B125 class A · closed
2024 Aug
ElectricalApt B125 class B · closed
Show 39 more
2024 Aug
Walls, floors and stairsApt B125 class B · closed
2024 Aug
Walls, floors and stairsApt B125 class B · closed
2024 Aug
Walls, floors and stairsApt B125 class B · closed
2024 Aug
Doors and windowsApt B125 class B · closed
2024 Aug
Walls, floors and stairsApt B125 class B · closed
2024 Aug
Doors and windowsApt B125 class B · closed
2024 Aug
Walls, floors and stairsApt B125 class B · closed
2024 Jul
Other conditions class B
2024 Jul
Walls, floors and stairs class A · closed
2024 Jul
Fire safety class B · closed
2024 Jul
Heat or hot waterApt B125 class C · closed
2024 May
Walls, floors and stairsApt A7 class A · closed
2024 May
PlumbingApt A7 class B · closed
2024 May
PestsApt A7 class C · closed
2024 Apr
Fire safetyApt B125 class B
2024 Apr
PlumbingApt B125 class B · closed
2024 Apr
Doors and windowsApt B125 class B · closed
2024 Apr
Walls, floors and stairsApt B125 class B · closed
2024 Apr
Walls, floors and stairsApt B125 class A · closed
2016 Nov
Heat or hot waterApt B2 class C
2015 May
LeaksApt A1 class B · never closed
2014 Aug
Smoke or CO detectorsApt A4 class B · never closed
2014 Aug
Smoke or CO detectorsApt A4 class B · never closed
2014 Aug
Doors and windowsApt A4 class A · never closed
2014 Aug
Doors and windowsApt A4 class B · never closed
2014 Aug
Doors and windowsApt A4 class A · never closed
2014 Aug
Walls, floors and stairsApt A4 class B · never closed
2014 Aug
Doors and windowsApt A4 class A · never closed
2014 Aug
PestsApt A4 class B · never closed
2014 Aug
Doors and windowsApt A4 class B · never closed
2014 Mar
Walls, floors and stairsApt B2 class B · never closed
2013 Oct
Other conditionsApt A1 class B · never closed
2013 Oct
ElectricalApt A1 class B · never closed
2013 Oct
LeaksApt A1 class B · never closed
2013 Jun
Doors and windowsApt B2 class B · never closed
2013 Jun
PlumbingApt B2 class B · never closed
2013 Jun
Doors and windowsApt B2 class B · never closed
2013 Mar
Doors and windowsApt B2 class A · never closed
2013 Mar
Walls, floors and stairsApt B2 class B · never closed
Housing Maintenance Code Violations, as of 2026-10-19 · Read these violations in full at HPD Online →
What this counts

Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify

DOB violations

2 open: 1 about filings or paperwork, 1 older than 10 years

DOB Violations, as of 2026-10-19 · Read these violations in full at DOB →
What this counts

Open DOB, ECB and DOB NOW Safety violations, any date, one per violation. ECB class 1 = hazardous, class 2 = major

Permit history

23 permits since 1990

DOB NOW: Build – Approved Permits, as of 2026-10-19 · See every permit at DOB →
What this counts

DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

Sources

23 datasets

Each date is when we last checked that dataset, not when the record itself was created.