Property record
645 Dean St, Brooklyn
Apartments in Brooklyn, New York. It covers 18,543 square feet on the ground.
This building
645 Dean St, Brooklyn. Apartments in Brooklyn, New York. Property ID sps7nmf8cc44fze.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 645 Dean St, Brooklyn, NY 11238 | Overture Maps addresses |
| Building type | Apartments | Overture Maps building footprints and SkyPSI estimator |
| Footprint | 18,543 square feet | Overture Maps building footprints |
| Perimeter | 721.04 feet | Overture Maps building footprints |
| Height | 283.46 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 28 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 204,389 square feet | SkyPSI estimator |
| Parcel number | 3011297503 | County and state public records |
| Land use | 04 Mixed Residential & Commercial Buildings (class RM) | County and state public records |
| Year built | 2021 | County and state public records |
| Stories on the parcel record | 23 stories | County and state public records |
| Building area on the parcel record | 881,925 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 | $33,000 | $59,000 | $98,500 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $44,000 | $87,500 | $153,500 |
| Windows inside and out, rope access | $48,500 | $96,500 | $171,000 |
Best method
- Exterior soft wash: Boom lift and Rope access fit this building at the same cost, most likely $59,000.
- Window cleaning: Rope access fits this building, most likely $87,500.
Similar buildings nearby
- 550 Vanderbilt Avenue, Brooklyn
- 601 Dean St, Brooklyn
- 550 Vanderbilt Avenue, Brooklyn
- 686 Dean Street, Brooklyn
- 849 Pacific Street, Brooklyn
- 653 Bergen Street, Brooklyn
- 580 Vanderbilt Avenue, Brooklyn
- 849 Pacific 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.
- Google Open Buildings: Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme.
- Overture Maps addresses: Street addresses from the Overture Maps addresses theme.
- Overture Maps building footprints: Building outlines, heights and floor counts from the Overture Maps buildings 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, Google Open Buildings, Overture Maps addresses, Overture Maps building footprints, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.