Building record from city data · BROOKLYN, NY

870 Jefferson Ave

Printed 2026-10-21 from blueflo.tech/b/870-jefferson-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 1905 · 3 stories · 6 apartments · BIN 3039847 · BBL 3014870014

Checked in city records
Checked in city records: non-lead water line, boiler filing with no defects (Oct 2025), outside FEMA flood zones and stormwater maps
Source: DOB NOW: Safety Boiler, FEMA National Flood Hazard Layer, Lead Service Line Location Coordinates · as of 2026-01-30
Clean in the records
Checked in city records
Checked in city records: non-lead water line, boiler filing with no defects (Oct 2025), outside FEMA flood zones and stormwater maps
Source: DOB NOW: Safety Boiler, FEMA National Flood Hazard Layer, Lead Service Line Location Coordinates · as of 2026-01-30

Apartments named in these records

1 of this building’s 6 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

1 complaint, 2025
Boiler inspection filings

Latest accepted inspection Oct 2025, 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

No issues on record
Water service line

Non-Lead (records)

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

Pests and cleanliness

3 resolved since 2024

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

  • Basementno recordUnknown

Gas

Gas piping

Open violation for not filing the periodic gas piping inspection (2026)

DOB Safety Violations, as of 2026-10-19
What this counts

Paperwork violation: the filing is missing, which is not a finding about the pipes

General condition and all records

Resident complaints to the city

1 heat or hot water

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

  • HPD violationsfound0 open. 5 further violations from 2023–2026 were closed. 14 violations on record in all, 1980–2026 — the 5 most recent are listed here
  • Permit historyno record0 permits since 1990

Nothing on record

Rent and tenancyNot on the state list
  • Rent stabilizationno recordNot on the state's 2024 list. Owners who register late or not at all are missing, so ask HCR about a specific apartment
Energyno record
  • Energynot requiredNot required: energy reporting applies to buildings over 25,000 sq ft
Structure and facadeNo data published
  • 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
ElevatorsNot applicable
  • Elevatorsnot requiredNo elevators registered to this building

Sources

22 datasets

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