Property record
491 Keap St, Brooklyn
Office in Brooklyn, New York. It covers 42,699 square feet on the ground.
This building
491 Keap St, Brooklyn. Office in Brooklyn, New York. Property ID spxpbf3v4yxz04p.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 491 Keap St, Brooklyn, NY 11211 | Overture Maps addresses |
| Building type | Office | Overture Maps building footprints and SkyPSI estimator |
| Footprint | 42,699 square feet | Overture Maps building footprints |
| Perimeter | 1,442.44 feet | Overture Maps building footprints |
| Height | 149.93 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 12 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 216,271 square feet | SkyPSI estimator |
| Parcel number | 3023717501 | County and state public records |
| Land use | 04 Mixed Residential & Commercial Buildings (class RM) | County and state public records |
| Year built | 2017 | County and state public records |
| Stories on the parcel record | 14 stories | County and state public records |
| Building area on the parcel record | 199,037 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) | $18,500 | $34,500 | $57,500 |
| Facade wash with mold or growth treatment | $27,500 | $50,500 | $87,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $34,500 | $62,000 | $103,500 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $7,000 | $14,000 | $23,000 |
| Windows inside and out | $11,500 | $23,000 | $41,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $46,000 | $92,000 | $161,000 |
| Windows inside and out, rope access | $50,500 | $101,000 | $179,500 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $34,500.
- Window cleaning: Drone has the lowest cost, most likely $14,000.
Similar buildings nearby
- 492 Metropolitan Avenue, Brooklyn
- 64 Ainslie Street, Brooklyn
- 285 North 6 Street, Brooklyn
- 383 Union Avenue, Brooklyn
- 8 Marcy Ave, Brooklyn
- 282 North 8 Street, Brooklyn
- Office in Brooklyn
- 20 Marcy Avenue, 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.