Property record
646 5 Ave, Brooklyn
School in Brooklyn, New York. It covers 12,427 square feet on the ground.
This building
646 5 Ave, Brooklyn. School in Brooklyn, New York. Property ID sp5tj1tjzsg8z1c.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 646 5 Ave, Brooklyn, NY 11215 | Overture Maps addresses |
| Building type | School | USA Structures and SkyPSI estimator |
| Place name | Hellenic Classical Charter Schools | Overture Maps places |
| Place type | school | Overture Maps places |
| Footprint | 12,427 square feet | USA Structures |
| Perimeter | 576.85 feet | USA Structures |
| Height | 59.06 feet | Overture Maps building footprints and Google Open Buildings |
| Stories | 5 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 34,066 square feet | SkyPSI estimator |
| Parcel number | 3006340034 | County and state public records |
| Land use | 08 Public Facilities & Institutions (class W3) | County and state public records |
| Year built | 1931 | County and state public records |
| Stories on the parcel record | 4 stories | County and state public records |
| Building area on the parcel record | 35,190 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) | $3,000 | $5,500 | $9,500 |
| Facade wash with mold or growth treatment | $4,500 | $8,000 | $14,000 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Facade wash, conventional access | $5,500 | $10,000 | $17,000 |
Window cleaning
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows only | $1,000 | $2,000 | $3,500 |
| Windows inside and out | $2,000 | $3,500 | $6,500 |
| Service | Low | Most likely | High |
|---|---|---|---|
| Exterior windows, rope access | $7,500 | $15,000 | $26,000 |
| Windows inside and out, rope access | $8,000 | $16,500 | $29,000 |
Best method
- Exterior soft wash: Drone has the lowest cost, most likely $5,500.
- Window cleaning: Drone has the lowest cost, most likely $2,000.
Similar buildings nearby
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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.
- 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.
- 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, Google Open Buildings, Overture Maps addresses, Overture Maps building footprints, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.