439 PARK AVENUE
Office building · Brooklyn · 11205
At a glance
439 PARK AVENUE in Brooklyn, NY is listed on the New York City property roll as “Office building”, BBL 3018840080. The roll records 18,540 sq ft of building area, 2 floors, a 1946 build year and an assessed value of $1,390,500.
New York City assessment roll
Parcel record
| Field | Value |
|---|---|
| BBL | 3018840080 |
| Site address | 439 PARK AVENUE |
| Land use (DOR) | O7 — Office building |
| Building area (actual) | 18,540 sq ft |
| Floors / units / buildings | 2 / 5 / 1 |
| Lot size | 9,800 sq ft |
| Year built | 1946 |
| Zoning (primary) | — |
| Land value | $110,250 |
| Building value | — |
| Total assessed value | $1,390,500 |
Recorded owner (assessment roll)
445 PARK AVENUE LLC
Owner mailing address: not listed
Location
- Address
- 439 PARK AVENUE
- City
- Brooklyn
- ZIP
- 11205
- Coordinates
- 40.69670, -73.95925
Within ~650 m
Nearby office buildings
- 347 FLUSHING AVENUE0 tenants
235,183 sq ft · 8 fl · 2022
- 11 SPENCER STREET0 tenants
166,287 sq ft · 9 fl · 2024
- 2 SKILLMAN STREET0 tenants
85,000 sq ft · 5 fl · 1940
- 67 TAAFFE PLACE0 tenants
55,815 sq ft · 12 fl · 2025
- 18 SPENCER STREET0 tenants
52,628 sq ft · 12 fl · 2018
- 48 SPENCER STREET0 tenants
37,500 sq ft · 3 fl · 2005
How does 439 PARK AVENUE compare with other New York office buildings?
At 18,540 sq ft, 439 PARK AVENUE is about 72% 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 $75 per square foot of building area, against $157 across all office floor area on the roll.
What does “Office building” mean for this parcel?
The New York City roll classifies BBL 3018840080 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 439 PARK AVENUE?
The recorded owner on the New York City assessment roll (current) is 445 PARK AVENUE LLC.
How big is 439 PARK AVENUE?
The New York City roll records 18,540 sq ft of building area, 2 floors, a build year of 1946. It sits on a 9,800 sq ft lot.
What is the assessed value of 439 PARK AVENUE?
$1,390,500 on the New York City roll. Assessed values are taxable-roll figures, not market prices.
What is the BBL for 439 PARK AVENUE?
BBL 3018840080, site address 439 PARK 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 439 PARK 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.
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Dataset updated . Source: New York City assessment roll, BBL 3018840080.
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, “439 PARK AVENUE, Brooklyn, NY (BBL 3018840080)”, https://buildingcensus.com/offices/nyc/office-building-aac5f8aa (data as of September 11, 2026).