Property record
121 California Avenue, Uniondale
School in Uniondale, New York. It covers 21,295 square feet on the ground.
This building
121 California Avenue, Uniondale. School in Uniondale, New York. Property ID sphfm46sg8v38vz.
Facts
| Fact | Value | Source |
|---|---|---|
| Address | 121 California Avenue, Uniondale, NY 11553 | USA Structures |
| Building type | School | USA Structures and SkyPSI estimator |
| Place name | Gittleson Hall | Overture Maps places |
| Place type | campus building | Overture Maps places |
| Footprint | 21,295 square feet | USA Structures |
| Perimeter | 802.82 feet | USA Structures |
| Height | 78.59 feet | Overture Maps building footprints and Google Open Buildings |
| Height survey year | 2014 | Overture Maps building footprints and Google Open Buildings |
| Stories | 6 stories | Overture Maps building footprints and Google Open Buildings |
| Exterior wall area | 63,095 square feet | SkyPSI estimator |
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
- 111 California Avenue, Uniondale
- 70 Stadium Road, Uniondale
- 159 California Avenue, Uniondale
- 70 Meadowbrook Place, Uniondale
- 116 California Avenue, Uniondale
- 101 California Avenue, Uniondale
- 167 California Avenue, Uniondale
- 910 Huntington Place, Uniondale
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.
- 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 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: USA Structures, Google Open Buildings, Overture Maps building footprints, Overture Maps places, SkyPSI estimator.
An estimate, not a quote. How a SkyEstimate is built.