Property record
390 Union Street, Brooklyn
Apartments in Brooklyn, New York. It covers 32,280 square feet on the ground.
This building
390 Union Street, Brooklyn. Apartments in Brooklyn, New York. Property ID spq1z09hdzw782b.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 390 Union Street, Brooklyn, NY 11231 | USA Structures |
| Building type | Apartments | USA Structures and SkyPSI estimator |
| Footprint | 32,280 square feet | USA Structures |
| Perimeter | 1,668.51 feet | USA Structures |
| Height | 45.96 feet | USA Structures |
| Stories | 5 stories | USA Structures |
| Exterior wall area | 76,692 square feet | SkyPSI estimator |
| Parcel number | 3004367502 | County and state public records |
| Land use | 02 Multi-Family Walk-Up Buildings (class R1) | County and state public records |
| Year built | 1920 | County and state public records |
| Stories on the parcel record | 5 stories | County and state public records |
| Building area on the parcel record | 7,688 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 (drone) | $5,500 | $10,500 | $17,500 |
| Facade wash with mold or growth treatment | $8,500 | $15,500 | $26,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $10,500 | $19,000 | $31,500 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $2,000 | $4,000 | $7,000 |
| Windows inside and out | $3,500 | $7,000 | $12,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $14,000 | $28,000 | $48,500 |
| Windows inside and out, rope access | $15,500 | $30,500 | $54,000 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $10,500.
- Window cleaning: Drone has the lowest cost, most likely $4,000.
Similar buildings nearby
- 414 Sackett Street, Brooklyn
- 355 President Street, Brooklyn
- 346 President Street, Brooklyn
- 409 Sackett Street, Brooklyn
- 296 Hoyt Street, Brooklyn
- 346 Hoyt Street, Brooklyn
- 337 Hoyt Street, Brooklyn
- 267 Carroll 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.
- 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, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.