Skip to main content
New search
Property Audit ReportBBL 3006370003Generated Jun 12, 2026
View on Google Maps
Sign in to save

Walk-up apt

647 4 Avenue

Caution — Review Before Signing

Open Violations

4

DOB + HPD

Unpaid Fines

$0

OATH / ECB

Flood Zone

X

FEMA designation

Audit Score

88/100

Composite index

Address-level public record preview

647 4 Avenue is tracked in NYC Property Audit as BBL 3006370003, located in BK, built in 1921, 20 residential units, 4 open DOB/HPD violation signals, FEMA flood zone X. The free preview keeps address-level facts crawl-visible while the full due-diligence report remains available in the audit.

Unlock the full 13-page report — $9.99
Free preview — Pro unlocks: owner of record · mortgage details · fine amounts · permit costs · school ratings · neighborhood demographics Unlock full report →

Free preview · 2 pages

Unlock the full PDF

All findings, all sources, one defensible document.

Download Full Property Report

One-time payment · $9.99 · Secure Stripe checkout

Key Findings

4 items
4 open violations on record· DOB · HPD
Annual property tax estimated at ~$138,059 (Tax Class 2)· NYC DOF
Last sold for $2,400,000 in December 2008· ACRIS
Most recent mortgage: $594,181 from CUSTOMERS BANK in 2017 (+4 more on Financials)· ACRIS

Building Details

✓ Verified · PLUTO
Building Area
16,000 sf
Commercial Area
2,100 sf
Zoning
R8A · C2-4 overlay
Basement
0
Land Use
Mixed Residential & Commercial
Registered Owner
Rent Regulation
Yes · 8 regulated units(DHCR)
Quick facts
How many units does this building have?
20 residential units and 2 commercial spaces.
How tall is this building?
4 stories, non-fireproof construction, built in 1921.
How big is the lot?
4,500 sq ft (45 ft × 100 ft).
What's the building class?
Class C7 — Walk-up apt.
How many buildings are on this lot?
1 building on the lot.
Overall Outlook
Long-term signal for residential or commercial viability
Stable — Review Maintenance
Maintenance Reliability
Multiple open violations — proceed with caution
82 / 100
Safety
Stable low-activity area
88 / 100
Daily Life
Transit access via Prospect Av (R)
~3 min subway

Compliance · 10-year history

Violation timeline

DOB · HPD · OATH
201620182020202220242026
Active4Resolved with debt0Resolved46Hover any dot for detail

Violations & maintenance history

HPD · DOB · OATH — 4 open, 46 resolved

Open Issues — 4
Minor
§ 27-2017.3 HMC: trace and repair the source and abate the visible mold condition... At ceiling ( approx-12 sq, ft ) west wall ( approx- 8 sq. Ft ) and north wall ( approx-6 sq, ft ) above the 2nd bathroom from north
Apt 9 · 3rd floor · 1st apartment from north at east
HPD · Filed Oct 2019 · Open ·
Minor
In. Code: abate the nuisance consisting of mice
§ 27-2018 ADMApt 16 · 4th floor · 2nd apartment from north at east
HPD · Filed Oct 2018 · Open ·
Minor
Provide ready access to buildings heating system door locked to boiler room at cellar
§ 27-2033 ADM CODE
HPD · Filed Aug 2018 · Open ·
Minor
Provide ready access to buildings heating system door locked to boiler room at cellar
§ 27-2033 ADM CODE
HPD · Filed Aug 2018 · Open ·
Resolved History — 46 (showing 3)
Closed
Repair the broken or defective plastered surfaces and paint in a uniform color ceiling
§ 27-2005 ADM CODEApt 9 · 3rd floor · 1st apartment from north at east
HPD · Filed Nov 2023 · Closed ·
Closed
§ 27-2005, 2007 ADM code remove all encumbrances consisting of wood desk at public hall, 3rd story
HPD · Filed Nov 2023 · Closed
Closed
HMC ADM code: § 27-2017.4 abate the infestation consisting of roaches
Apt 9 · 3rd floor · 1st apartment from north at east
HPD · Filed Nov 2023 · Closed ·

Nearby buildings to audit

Other properties in the area with active violation history — useful comparables when evaluating risk.

Browse all Brooklyn buildings in our index →