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Bronx • Elevator Apartment

3950 Blackstone Ave

Bronx, NY 10471Company-ownedBBL 2059090163BIN 2085805
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Updated Sep 15, 2026 · 16 sources

Year Built1959
Floors6
Units273
Building Area237,000 sqft
ZoningR4
ClassD7
Market Value$15.2M

3950 BLACKSTONE AVE is a property located at 3950 BLACKSTONE AVE, Bronx, NY 10471. It is classified as a elevator apartment - semi-fireproof with stores. The building was constructed in 1959. It has 6 floors and 273 units. The building area is 237,000 square feet on a 102,825 sqft lot. The property is zoned R4. The assessed market value is $15.2M. Public records list the property as company-owned. There are 74 building permits on record (41 active). There are 414 violations on record (7 currently open). 33 docketed judgments are on record with OATH. Data sourced from NYC Department of Buildings (DOB), Housing Preservation & Development (HPD), Department of Finance (DOF), and other government agencies.

A RegWatch Dossier

1,728records on file
94Energy Star

Completed in 1959, 3950 Blackstone Ave rises 6 stories over Bronx. Public records put it at 273 units and 237,000 square feet of floor area, on land zoned R4. It is carried on the public rolls at a market value of $15.2M, and assessed for tax at $6.8M. In the 68 years its record reaches back, the lot has drawn 1,728 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward complaint: 974 of its 1,728 records, fully 56%, fall under that one heading. Violation (414) and inspection (113) trail well behind. 7 violations stand open against it today.

The pace is anything but even. The early decades pass in near silence; the filings cluster heavily in recent years, peaking in 2021.

On the environmental ledger, the building posts an Energy Star score of 94, with a site energy-use intensity of 51.9 kBtu per square foot. Its operations answer for roughly 888 metric tons of CO2-equivalent a year.

Read together — 56% complaint, 68 years of accumulation, a parcel of Bronx — these scattered records compose a portrait of the address that no single page sets out to draw.

$15.2M of Bronx, written across 1,728 government filings.

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Sources
NYC DOBNYC HPDNYC DOFACRISNYC DCPECB/OATHNYC DEPNYC LPCNYC FDNYNYS DHCRMOCEJFEMAEPAUS CensusHUDUSGS
updated

Property Details

Address3950 BLACKSTONE AVE, Bronx, NY 10471
Building TypeElevator Apartment - Semi-Fireproof With Stores
D7
Year Built1959
Floors6
Total Units273
Building Area237,000 sqft
Lot Size102,825 sqft
ZoningR4
ConditionAverage
2059090163
2085805 +1 more
OwnershipCompany-owned

Assessment & Sales

$15.2M
$6.8M
$1.2M

Building Permits

74 on record · 41 active
General ConstructionDOB NOW
PERMIT ISSUED
Filed Sep 1, 2026Est. cost $20KJob #X01417912-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Sep 1, 2026Est. cost $20KJob #X01417912-I1
View this permit's full record & inspection history →
Supported ScaffoldDOB NOW
PERMIT ISSUED
Filed Aug 5, 2026Est. cost $8KJob #X01413904-I1

Initial Permit

View this permit's full record & inspection history →
General ConstructionDOB NOW
PERMIT ENTIRE
Filed Aug 5, 2026Est. cost $8KJob #X01413904-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
FILING WITHDRAWN
Filed Jul 23, 2026Est. cost $12KJob #X01415462-I1
View this permit's full record & inspection history →

+ 69 more permits — view full report

Violations

414 on record · 7 open
Judgments · 33 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2025Ticket #048454755Y
IMPROPER RECEPTACLE LOCAL LAW 111 REQUIRED
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Nov 30, 2024Ticket #035681823P
UNLAWFUL ACTS.FAILURE TO COMPLY WITH AN ORDER OF THE COMMISSIONER
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2024Ticket #037026122Y
FAIL TO FILE AMENDMENT ACCEPTABLE REPORT TO CORRECT UNSAFE CONDITIONS
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Oct 31, 2023Ticket #037024638X
FAIL SUBMIT REQUIRED REPORT OF CRIT EXAM DOCUMENTING EXTERIOR WALL
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Feb 28, 2023Ticket #035647181N
FAILURE TO MAINTAIN BUILDING WALL S OR APPURTENANCES

+ 28 more docketed judgments — view full report

HPDClass C
FALSE CERTIFICATION
Issued May 27, 2026#18969501

§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH SET AT BOILER ROOM

View this violation's full details & status history →
ECB
ACTIVE
Issued May 26, 2026#39189869L

OBSERVE A FAILURE TO INSTALL GROUND-FAULT CIRCUIT INTERRUPTER (GFCI) PROTECTION AS REQUIRED, FOR THE OUTLET IN THE KITCHEN APPROXIMATELY 10 INCHES AWAY FROM THE SINK THE OUTLET WAS LOCATED ABOVE THE COUNTERÂ ON

View this violation's full details & status history →
SafetyGas Piping Ll152
ACTIVE
Issued Oct 31, 2025#NOD-FTF-PL-PER-202212-0131478

Cycle 1, Sub-cycle C (premises is in Community District 8)

View this violation's full details & status history →

+ 411 more violations on record — view full report

Get the Complete Report for 3950 BLACKSTONE AVE

Title history, detailed tax records, environmental data, zoning analysis, and more from 250+ government sources.

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Frequently Asked Questions

When was 3950 BLACKSTONE AVE, Bronx built?

The building at 3950 BLACKSTONE AVE, Bronx, NY 10471 was constructed in 1959. It is classified as a elevator apartment - semi-fireproof with stores with 6 floors and 273 units. The building area is 237,000 sqft.

Are there building permits at 3950 BLACKSTONE AVE, Bronx?

Yes. 3950 BLACKSTONE AVE, Bronx, NY 10471 has 74 building permits on record, with 41 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a General Construction (PERMIT ISSUED) filed Sep 1, 2026.

Does 3950 BLACKSTONE AVE, Bronx have violations?

Yes. 3950 BLACKSTONE AVE, Bronx, NY 10471 has 414 violations on record, with 7 currently open. Breakdown: 9 DOB Safety, 83 DOB, 79 ECB, 243 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 3950 BLACKSTONE AVE, Bronx have docketed judgments?

Yes. 3950 BLACKSTONE AVE, Bronx, NY 10471 has 33 docketed judgments on record with the NYC Office of Administrative Trials & Hearings (OATH). A docketed judgment is an enforceable money judgment entered by OATH after a hearing on a summons issued at this property; where the respondent is the property owner it can attach to the property as a lien.

What is the property tax assessment for 3950 BLACKSTONE AVE?

3950 BLACKSTONE AVE, Bronx, NY 10471 has an assessed market value of $15.2M and a total assessed value of $6.8M (land: $1.2M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 3950 BLACKSTONE AVE?

3950 BLACKSTONE AVE, Bronx, NY 10471 is zoned R4. Zoning data is from the NYC Department of City Planning (DCP). For detailed FAR, overlays, and development rights, view the full property report on RegWatch.

Who owns 3950 BLACKSTONE AVE?

3950 BLACKSTONE AVE, Bronx, NY 10471 is company-owned according to public records. Ownership data is from NYC Department of Finance assessment rolls. View the current owner of record and registered contacts in the full property report on RegWatch.

How do I get a full property report for 3950 BLACKSTONE AVE?

Search 3950 BLACKSTONE AVE on RegWatch to see its public record free — violations, permits, tax records, zoning, environmental data, and more from 250+ government sources, no credit card required. A Full Analysis report adds the complete title history, owner contacts, and a downloadable PDF.

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3950 BLACKSTONE AVE, Bronx, NY 10471 — Property Records, Permits, Violations, Tax & Zoning | RegWatch