Building record from city data · BROOKLYN, NY

924 St Marks Ave

Printed 2026-10-21 from blueflo.tech/b/924-street-marks-avenue-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 1897 · 4 stories · 7 apartments · BIN 3031059 · BBL 3012300010

Checked in city records
Checked in city records: boiler filing with no defects (Sep 2026), outside FEMA flood zones and stormwater maps, no open housing-condition violations
Source: DOB NOW: Safety Boiler, FEMA National Flood Hazard Layer, Housing Maintenance Code Violations · as of 2026-10-19
Also on record
Clean in the records
Registered with the city

REDSTONE REALTY NYC, PROSPECT LEFFERTS LLC

Checked in city records
Checked in city records: boiler filing with no defects (Sep 2026), outside FEMA flood zones and stormwater maps, no open housing-condition violations
Source: DOB NOW: Safety Boiler, FEMA National Flood Hazard Layer, Housing Maintenance Code Violations · as of 2026-10-19

Apartments named in these records

Apt 2 1Apt 5 1Apt 6 4Apt G 1

4 of this building’s 7 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

1 complaint, 2026
What has happened here
2026 May
Heat or hot waterApt 2 complaint
2011 Mar
Heat or hot waterApt 6 class C · never closed · HPD violation
Boiler inspection filings

Latest accepted inspection Sep 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

1 heat or hot water complaint

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)

  • Heat sourceno recordNo boiler registration or district steam on record
  • Boiler work permitsno recordNo boiler work permits on record

Water and pipes

1 complaint, 2026
What has happened here
2026 Oct
PlumbingApt 5 complaint
2024 Mar
Plumbing permit
2020 Jul
Plumbing permit
1991 Sep
Plumbing permit
Water service line

Non-Lead (statistical analysis/predictive model)

Lead Service Line Location Coordinates, as of 2026-01-30

Pests and cleanliness

1 complaint, 2025
What has happened here
2025 Jan
PestsApt G complaint

Fire and safety

Older records on file
What has happened here
2011 Jun
Lead-based paintApt 6 class C · never closed · HPD violation
2011 Jun
Lead-based paintApt 6 class C · never closed · HPD violation
2011 Mar
Lead-based paintApt 6 class C · never closed · HPD violation

Structure and facade

No issues on record
What has happened here
2023 Oct
General construction permit
2021 Feb
General construction permit
1991 Jul
Alteration permit
Landmark statusWhole tax lot

In the Crown Heights North III Historic District

PLUTO (tax lot data), as of 2026-08-24
  • Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
  • Sidewalk shed and scaffoldingno recordNo sidewalk shed permits 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

BasementWhole tax lot

Above grade

PLUTO (tax lot data), as of 2026-08-24

Rent and tenancy

On the state list
Rent stabilizationWhole tax lot

On the state's list of buildings with at least one rent-stabilized apartment (2024 registrations); listed for this tax lot (1 addresses), not under this building's address

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

General condition and all records

Resident complaints to the city

1 heat or hot water, 1 pests, 1 plumbing

2026 Oct
PlumbingApt 5
2026 May
Heat or hot waterApt 2
2025 Jan
PestsApt G
Housing Maintenance Code Complaints and Problems, as of 2026-10-20 · See the complaints at HPD Online →
What this counts

HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years

Permit history

6 permits since 1990

2024 Mar
Plumbing permit
2023 Oct
General construction permit
2021 Feb
General construction permit
2020 Jul
Plumbing permit
1991 Sep
Plumbing permit, Alteration permit
and 1 more at the source
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

  • HPD violationsfound0 open. Also 4 older records from 2011 never closed. 76 violations on record in all, 2010–2022 — the 4 most recent are listed here
  • DOB violationsfound0 open

Nothing on record

Gasno record
  • Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

Sources

23 datasets

FEMA

NYC DCP

NYC DEP

NYC DEP / Mayor's Office

NYC DOB

NYC DOB / Mayor's Office

NYC HPD

NYC OTI

NYC Rent Guidelines Board / NYS HCR

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