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Bronx • Elevator Apartment

3950 Blackstone Ave

Bronx, NY 10471Company-ownedBBL 2059090163BIN 2085805
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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 77 building permits on record (37 active). There are 417 violations on record (8 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

1,726records 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 1,726 separate government filings — a paper trail nearly as tall as the building itself.

The documentary life of the address leans hard toward complaint: 992 of its 1,726 records, fully 57%, fall under that one heading. Violation (417) and enforcement (105) trail well behind. 8 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 — 57% 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 1,726 government filings.

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Executive summary, compliance history, title chain & existing debt, recorded documents & agreements, owner contacts, tax detail, Use & Development, build envelope, market comps, investment metrics, deal math & stress tests, deal signals, pre-foreclosure signals, neighborhood. Downloadable PDF. One payment, no subscription.

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

77 on record · 37 active
General ConstructionDOB NOW
LOC ISSUED
Filed Oct 5, 2026Est. cost $20KJob #X01417912-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed Sep 23, 2026Est. cost $8KJob #X01413904-I1
View this permit's full record & inspection history →
General ConstructionDOB NOW
SIGNED-OFF
Filed Sep 1, 2026Est. cost $20KJob #X01417912-I1

Initial Permit

View this permit's full record & inspection history →
Supported ScaffoldDOB NOW
SIGNED-OFF
Filed Aug 5, 2026Est. cost $8KJob #X01413904-I1

Initial Permit

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 →

+ 72 more permits — view full report

Violations

417 on record · 8 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 B
CIV14 MAILED
Issued Oct 21, 2026#19313807

§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE BATHROOM LOCATED AT APT 5C, 5th STORY, 3rd APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass A
CIV14 MAILED
Issued Oct 21, 2026#19313808

§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK OAT CEILING IN THE BATHROOM LOCATED AT APT 5C, 5th STORY, 3rd APARTMENT FROM WEST AT NORTH

View this violation's full details & status history →
HPDClass B
CIV14 MAILED
Issued Sep 22, 2026#19237085

§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 4th ROOM FROM EAST LOCATED AT APT 5C, 5th STORY, 4th APARTMENT FROM WEST AT NORTH , SECTION ''south''

View this violation's full details & status history →
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 →
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 →

+ 412 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 77 building permits on record, with 37 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 (LOC ISSUED) filed Oct 5, 2026.

Does 3950 BLACKSTONE AVE, Bronx have violations?

Yes. 3950 BLACKSTONE AVE, Bronx, NY 10471 has 417 violations on record, with 8 currently open. Breakdown: 9 DOB Safety, 83 DOB, 79 ECB, 246 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 ($15, one-time) 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