NYC DOB record · X01448687-I1

3935 Blackstone Avenue

3935 Blackstone Avenue, Bronx, NY 10471

Alteration filing in Riverdale-Spuyten Duyvil, Bronx. The latest DOB status is permit entire.

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 17, 2026 · Verify the source row

Open full map
newyorkdailyStreet Futures

NYC DOB RECORD · X01448687-I1

3935 Blackstone Avenue

Bronx, NY 10471

Alteration filing · status dated Oct 14, 2026

Current record
Approved
Proposed scale
12 stories
Dwelling units
123
Filing data portrait

A page-specific reading of the filing status, location and stated scale. Values are drawn from the cited DOB record.

Address record at a glance

What is filed at this address?

NYC DOB lists filing X01448687-I1 as a alteration filing at 3935 Blackstone Avenue, Bronx, NY 10471. Its latest published status category is Approved, dated Oct 14, 2026. The filing records 12 proposed stories and 123 proposed dwelling units.

A filing or approval does not by itself confirm that work is underway. Proposed details may change in later DOB records.
Filing type
Alteration filing
Latest status
Approved
Latest status date
Oct 14, 2026
Proposed scale
12 proposed stories and 123 proposed dwelling units
Applicant of recordSee the 1 filings that name Nanette Gran Architect
FiledSep 8, 2026
Current recordApproved
Proposed scale12 stories
Recorded cost$15,800

What the filing says

A public-record reading of the proposed work.

Interior non-structural demolition and construction with associated electrical work to reconfigure an existing two-bedroom apartment into a three-bedroom layout. No change to use, egress, occupancy, plumbing or structural elements.

Street Futures classifies this record as a alteration filing based on the filing type and work flags published by the Department of Buildings. This classification helps organize the map; it does not add scope that is absent from the DOB record.

The lot this filing sits on

What is already here?

The lot holds a 12-story elevator apartment building built in 1960, with 123 homes, on a 92,750 sq ft lot.

Built
1960
Floors
12
Residential units
123
Building type
Elevator apartment building
Land use
Elevator apartments
Zoning district
R4
Lot area
92,750 sq ft
Building area
180,000 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 17, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing X01448687-I1.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    03
  4. Current status updated

    The latest recorded filing status is “Permit Entire.”

    04

For scale: half of DOB filings are permitted within 22 days of being filed and a quarter take longer than 4 months, measured across 88,832 filings that carry both dates. How long a permit takes, by work type and borough

Scope and identifiers

The details used to match this filing.

Where a field reads “empty in the source”, the city published this filing without that value. It is not an omission on our side, and nothing here is inferred to fill a gap.

DOB filing number
X01448687-I1
BIN
2085798
BBL
2059080210
Review type
Standard Plan Examination
Existing stories
12
Proposed stories
12
Existing dwelling units
123
Proposed dwelling units
123
General construction