BuildingCensus

6740 4 AVENUE

Office building · Brooklyn · 11220

At a glance

6740 4 AVENUE in Brooklyn, NY is listed on the New York City property roll as “Office building”, BBL 3058540036. The roll records 51,930 sq ft of building area, 4 floors, a 1920 build year and an assessed value of $7,071,300.

Active records here
0
business-tax + registry entities
Building area
51,930
sq ft (county roll)
Floors
4
county roll
Year built
1920
vintage
Assessed value
$7.1M
current roll
Assessed / sq ft
$136
assessed value per sq ft
Last sold
—
no transfer on record
Sale / sq ft
—
not derivable from the record

The building's own benchmarking filing

Energy performance

ENERGY STAR score
—
not scored
Site energy use
154.0
kBtu per sq ft per year
Reported emissions
512
tonnes CO₂e
Disclosed area
51,930
sq ft, 2021 filing

From the building's own filing under its city's benchmarking ordinance. An ENERGY STAR score of 75 or above means the building outperforms three quarters of comparable buildings nationally. It is a self-reported figure, verified by the city only to the extent the ordinance requires.

New York City assessment roll

Parcel record

FieldValue
BBL3058540036
Site address6740 4 AVENUE
Land use (DOR)O7 — Office building
Building area (actual)51,930 sq ft
Floors / units / buildings4 / 1 / 1
Lot size13,420 sq ft
Year built1920
Zoning (primary)—
Land value$543,600
Building value—
Total assessed value$7,071,300

Recorded owner (assessment roll)

6740 OWNER LLC

Owner mailing address: not listed

Verify on the city's lot record →

Location

Address
6740 4 AVENUE
City
Brooklyn
ZIP
11220
Coordinates
40.63599, -74.02334

Within ~650 m

Nearby office buildings

How does 6740 4 AVENUE compare with other New York office buildings?

At 51,930 sq ft, 6740 4 AVENUE is about 23% smaller than the average office building on the New York City roll, which comes to 67,377 sq ft across 7,166 buildings.

Its assessed value works out to $136 per square foot of building area, against $157 across all office floor area on the roll.

What has happened at 6740 4 AVENUE recently?

The building files energy-benchmarking disclosures — 1 report year are matched to this parcel.

What does “Office building” mean for this parcel?

The New York City roll classifies BBL 3058540036 as “Office building” (use code O7). BuildingCensus includes a parcel in its office census when the roll gives it an office-class use, so the label is the county's, not an inference.

Frequently asked questions

Who owns 6740 4 AVENUE?

The recorded owner on the New York City assessment roll (current) is 6740 OWNER LLC.

How big is 6740 4 AVENUE?

The New York City roll records 51,930 sq ft of building area, 4 floors, a build year of 1920. It sits on a 13,420 sq ft lot.

What is the assessed value of 6740 4 AVENUE?

$7,071,300 on the New York City roll. Assessed values are taxable-roll figures, not market prices.

What is the BBL for 6740 4 AVENUE?

BBL 3058540036, site address 6740 4 AVENUE, Brooklyn. It is the key to look the parcel up in the Department of City Planning PLUTO extract and Department of Finance rolling sales (New York City).

More around 6740 4 AVENUE

Everything here comes from public records, and public records go stale. If you know better, say so.

Data provenance — public records only

  • New York City — Department of City Planning PLUTO extract and Department of Finance rolling sales. The city publishes no owner mailing address, so landlord portfolios cannot be grouped here, and its business licences cover regulated trades rather than office tenants.

Every fact on this page is drawn from the government records above — no listing sites, no scraped platforms, no third-party images. Facts from public records are uncopyrightable; each tenancy row carries its source and match confidence. Records can lag reality — a business-tax receipt or registration at an address is evidence of occupancy, not a lease confirmation.

Working with New York office parcels? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

Dataset updated . Source: New York City assessment roll, BBL 3058540036.

About this data

Source: Department of City Planning PLUTO extract and Department of Finance rolling sales (New York City), as published September 11, 2026. See the methodology for how records are matched, cleaned and scored.

Cite as: BuildingCensus, “6740 4 AVENUE, Brooklyn, NY (BBL 3058540036)”, https://buildingcensus.com/offices/nyc/office-building-11fc82ff (data as of September 11, 2026).