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Bronx • Elevator Apartment

3935 Blackstone Ave

Bronx, NY 10471Company-ownedBBL 2059080210BIN 2085798
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Updated Aug 1, 2026 · 16 sources

Year Built1960
Floors12
Units123
Building Area180,000 sqft
ZoningR4
ClassD4
Market Value$13.6M

3935 BLACKSTONE AVE is a property located at 3935 BLACKSTONE AVE, Bronx, NY 10471. It is classified as a elevator apartment - cooperative. The building was constructed in 1960. It has 12 floors and 123 units. The building area is 180,000 square feet on a 92,750 sqft lot. The property is zoned R4. The assessed market value is $13.6M. Public records list the property as company-owned. There are 120 building permits on record (80 active). There are 44 violations on record (3 currently open). 8 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

423records on file
78Energy Star

Completed in 1960, 3935 Blackstone Ave rises 12 stories over Bronx. Public records put it at 123 units and 180,000 square feet of floor area, on land zoned R4. It is carried on the public rolls at a market value of $13.6M, and assessed for tax at $6.1M. In the 65 years its record reaches back, the lot has drawn 423 separate government filings.

The documentary life of the address leans hard toward permit: 120 of its 423 records, fully 28%, fall under that one heading. Inspection (111) and complaint (48) trail well behind. 3 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 2024.

On the environmental ledger, the building posts an Energy Star score of 78, with a site energy-use intensity of 63.4 kBtu per square foot. Its operations answer for roughly 725 metric tons of CO2-equivalent a year.

Read together — 28% permit, 65 years of accumulation, a parcel of Bronx — these scattered records compose a portrait of the address that no single page sets out to draw.

$13.6M of Bronx, written across 423 government filings.

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

Property Details

Address3935 BLACKSTONE AVE, Bronx, NY 10471
Building TypeElevator Apartment - Cooperative
D4
Year Built1960
Floors12
Total Units123
Building Area180,000 sqft
Lot Size92,750 sqft
ZoningR4
ConditionAverage
2059080210
2085798 +1 more
OwnershipCompany-owned

Assessment & Sales

$13.6M
$6.1M
$1M

Building Permits

120 on record · 80 active
ElectricalDOB NOW
PERMIT ISSUED
Filed Jul 8, 2026Job #X01427746-I1-EL

REPLACE OUTLETS. SWITCHES, FIXTURES AND INSTALL PANEL IN UNIT 11C- NO NEW WIRING

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Feb 6, 2026Job #X01356916-I1-EL

Direct replacement of existing panel in existing location Apt 6DE

View this permit's full record & inspection history →
ElectricalDOB NOW
COMPLETE
Filed Oct 16, 2025Job #X01304230-I1-EL

Replacing 5 devices no new breakers or circuiting.

View this permit's full record & inspection history →
General ConstructionDOB NOW
LOC ISSUED
Filed May 13, 2025Est. cost $1Job #X08036896-I1
View this permit's full record & inspection history →
Asbestos AbatementDEP
CLOSED
Filed Jan 29, 2025Job #TRU0055BX25
View this permit's full record & inspection history →

+ 115 more permits — view full report

Violations

44 on record · 3 open
Judgments · 8 docketed
Sanitation summons (OATH)JUDGMENT DOCKETED
Docketed Dec 31, 2024Ticket #048185466P
SPILLAGE FROM A RECEPTACLE 1ST OFFENSE
FDNY summons (OATH)JUDGMENT DOCKETED
Docketed Mar 31, 2022Ticket #011802701Y
GENERAL MAINTENANCE
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2017Ticket #038243796H
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
DOB summons (OATH)JUDGMENT DOCKETED
Docketed Apr 30, 2017Ticket #038244471Y
FAILURE TO MAINTAIN ELEVATOR OR CONVEYING SYSTEM
DOT summons (OATH)JUDGMENT DOCKETED
Docketed Aug 31, 2012Ticket #0180282942
FAILED TO SEAL EXPANSION JOINTS AS PER SUBSECTION

+ 3 more docketed judgments — view full report

HPDClass A
NOV CERTIFIED ON TIME
Issued Dec 18, 2025#18515809

§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR MISSING AT PUBLIC HALL, 1st STORY

View this violation's full details & status history →
DOB LegacyFacade Safety (FISP)
Unknown
Issued Jan 31, 2019#2350175

FAILED TO FILE FISP CYCLE 8B TECHNICAL REPORT BY 02/21/2018

View this violation's full details & status history →

+ 42 more violations on record — view full report

Get the Complete Report for 3935 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 3935 BLACKSTONE AVE, Bronx built?

The building at 3935 BLACKSTONE AVE, Bronx, NY 10471 was constructed in 1960. It is classified as a elevator apartment - cooperative with 12 floors and 123 units. The building area is 180,000 sqft.

Are there building permits at 3935 BLACKSTONE AVE, Bronx?

Yes. 3935 BLACKSTONE AVE, Bronx, NY 10471 has 120 building permits on record, with 80 currently active. Permits are sourced from the NYC Department of Buildings (DOB Legacy and DOB NOW systems). The most recent permit is a Electrical (PERMIT ISSUED) filed Jul 8, 2026.

Does 3935 BLACKSTONE AVE, Bronx have violations?

Yes. 3935 BLACKSTONE AVE, Bronx, NY 10471 has 44 violations on record, with 3 currently open. Breakdown: 29 DOB, 14 ECB, 1 HPD. Sources: NYC DOB, HPD, and ECB/OATH.

Does 3935 BLACKSTONE AVE, Bronx have docketed judgments?

Yes. 3935 BLACKSTONE AVE, Bronx, NY 10471 has 8 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 3935 BLACKSTONE AVE?

3935 BLACKSTONE AVE, Bronx, NY 10471 has an assessed market value of $13.6M and a total assessed value of $6.1M (land: $1M). Assessment data is from the NYC Department of Finance (DOF).

What is the zoning for 3935 BLACKSTONE AVE?

3935 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 3935 BLACKSTONE AVE?

3935 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 3935 BLACKSTONE AVE?

Search 3935 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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3935 BLACKSTONE AVE, Bronx, NY 10471 — Property Records, Permits, Violations, Tax & Zoning | RegWatch