Property record
439 Union Street, Brooklyn
Office in Brooklyn, New York. It covers 20,403 square feet on the ground.
This building
439 Union Street, Brooklyn. Office in Brooklyn, New York. Property ID spxhpecgfmwzngb.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 439 Union Street, Brooklyn, NY 11231 | USA Structures |
| Building type | Office | USA Structures and SkyPSI estimator |
| Place name | Black Mountain Wine House | Overture Maps places |
| Place type | wine bar | Overture Maps places |
| Footprint | 20,403 square feet | USA Structures |
| Perimeter | 1,147.61 feet | USA Structures |
| Height | 27.49 feet | USA Structures |
| Stories | 2 stories | USA Structures |
| Exterior wall area | 31,552 square feet | SkyPSI estimator |
| Parcel number | 3004300077 | County and state public records |
| Land use | 02 Multi-Family Walk-Up Buildings (class C0) | County and state public records |
| Year built | 1899 | County and state public records |
| Stories on the parcel record | 3 stories | County and state public records |
| Building area on the parcel record | 2,400 square feet | County and state public records |
Cost ranges
Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. What the grades mean.
Exterior soft wash
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $5,000 | $8,500 | $14,500 |
Best method
- Exterior soft wash: Boom lift fits this building, most likely $8,500.
Similar buildings nearby
- 283 Smith Street, Brooklyn
- 401 Union Street, Brooklyn
- 333 Bond Street, Brooklyn
- 317 Smith Street, Brooklyn
- 282 Smith Street, Brooklyn
- 325 Smith Street, Brooklyn
- 391 Hoyt Street, Brooklyn
- 389 Bond Street, Brooklyn
How we know
Each fact names the source it comes from. A building file carries the source of each field, and SkyPSI shows that source beside the fact.
- County and state public records: Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data.
- USA Structures: Building footprints, heights and occupancy from FEMA's USA Structures.
- Overture Maps places: Business and place names from the Overture Maps places theme.
- SkyPSI estimator: SkyPSI's own price model, calibrated rates and building-class rules.
Cost ranges come from the SkyPSI estimator, calibrated October 2, 2026. How a SkyEstimate is built.
Ask SkyPSI for a quote on your building.
Request a QuoteSources: County and state public records, USA Structures, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.