Printed 2026-10-21 from blueflo.tech/b/573-11-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 1893 · 4 stories · 7 apartments · BIN 3026184 · BBL 3010950001
- 1 open immediately hazardous (class C) HPD violation about heat or hot water
- 5 heat or hot water complaints filed with the city last winter
- On the state's list of buildings with rent-stabilized apartments (2024 registrations)
- In the Park Slope Historic District Extension: exterior changes need Landmarks Commission approval
- Water service line on record as non-lead (field inspection)
- Boiler inspection filed Aug 2026 with no defects reported
- Outside FEMA's 1% annual-chance flood zone; no mapped stormwater flooding
Ascent Realty Group LLC, WCM III LLC
Apartments named in these records
1 of this building’s 7 apartments is 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
Issues on record · 6 complaints, 2025–2026 · 5 in the past yearBoiler burning natural gas (Peerless SCT-08), registration current since Sep 2025
Latest accepted inspection Aug 2026, defects reported: no
What this counts
Accepted annual boiler inspection filings, any date
Latest boiler work permit 2004
What this counts
DOB boiler permits (BIS and DOB NOW); a permit dates work, not the boiler's age
5 heat or hot water complaints
What this counts
HPD complaints, heat season 2025–26 (Oct 1–May 31)
Water and pipes
1 complaint, 2024Non-Lead (field inspection)
Pests and cleanliness
1 resolved in 2024Fire and safety
No issues on recordStructure and facade
No issues on recordIn the Park Slope Historic District Extension
- Facade ratingnot requiredNot required: facade inspections apply only to buildings taller than 6 stories
- Sidewalk shed and scaffoldingfoundNo active shed permit
Flooding
No issues on recordOutside FEMA's 1% annual-chance flood zone: X
What this counts
Effective FIRM zones touching the building footprint
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)
What this counts
Mapped ponding touching the building footprint
- BasementfoundNo basement
Rent and tenancy
On the state listOn the state's list of buildings with at least one rent-stabilized apartment (2024 registrations)
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
1 open: 1 about building conditions — heat or hot water (1); 1 immediately hazardous (class C). 2 further violations from 2023–2024 were closed. 8 violations on record in all, 2015–2026 — the 3 most recent are listed here
What this counts
Open HPD violations inspected in the last 10 years; class C = immediately hazardous. Paperwork = failure to file, notify or certify
6 heat or hot water, 1 plumbing, 1 safety
Show 1 more
What this counts
HPD complaints received in the last 2 years; the list below is every complaint on record for the last three years
21 permits since 1990
What this counts
DOB permits issued (DOB NOW and legacy BIS), one per job and work type; excludes sheds
Last sold Jan 2026 for $5,450,000
What this counts
Department of Finance sales files, 2016 on
- DOB violationsfound0 open
Nothing on record
- Gas pipingno recordNo open gas piping filing violations. Inspection results themselves are not published
- Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
- Elevatorsnot requiredNo elevators registered to this building
Sources
24 datasetsFEMA
- FEMA National Flood Hazard Layer2026-10-21
- OpenFEMA NFIP Redacted Claims (v3)2026-09-09
NYC DCP
- NYC GeoSearch (address directory)2026-10-21
- PLUTO (tax lot data)2026-08-24
NYC DEP
NYC DEP / Mayor's Office
- NYC Stormwater Flood Maps2024-07-03
NYC DOB
- DOB NOW Elevator Safety Compliance2026-10-20
- DOB NOW: Build – Approved Permits2026-10-21
- DOB NOW: Safety Boiler2026-10-20
- DOB NOW: Safety – Facades Compliance Filings2026-10-21
- DOB Permit Issuance (BIS)2026-10-20
- DOB Safety Violations2026-10-21
- DOB Violations2026-10-21
NYC DOB / Mayor's Office
NYC DOF
- NYC Citywide Annualized Calendar Sales2026-06-09
NYC HPD
- Buildings Subject to HPD Jurisdiction2026-08-12
- Housing Maintenance Code Complaints and Problems2026-10-21
- Housing Maintenance Code Violations2026-10-21
- Multiple Dwelling Registrations2026-08-12
- Registration Contacts2026-08-12
NYC OTI
- AddressPoint2026-07-07
- Building Footprints2026-10-19
NYC Rent Guidelines Board / NYS HCR
Each date is when we last checked that dataset, not when the record itself was created.