# 57 Union Place, Lynbrook School in Lynbrook, New York. It covers 686 square feet on the ground. Rates calibrated October 2, 2026. Review by December 31, 2026. Updated October 27, 2026. Method propdata-estimator-v6. ## This building 57 Union Place, Lynbrook. School in Lynbrook, New York. Property ID spk1xkcgy9vacvz. ## Facts **Facts about 57 Union Place, Lynbrook** | Fact | Value | Source | | --- | --- | --- | | Address | 57 Union Place, Lynbrook, NY 11563 | [USA Structures](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Footprint | 686 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Perimeter | 105.39 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Height | 14.4 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Stories | 1 story | [USA Structures](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Exterior wall area | 1,518 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Parcel number | 282025-42.-124-35 | [County and state public records](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | | Land use | 220 - Two Family Year-Round Residence | [County and state public records](https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/#how-we-know) | ## Cost ranges Whole-building ranges from the SkyPSI estimator, calibrated October 2, 2026. Grade C: modelled from the Texas calibration. [What the grades mean](https://skypsi.com/estimates/methodology/confidence-grades/). ### Exterior soft wash **Exterior soft wash from a boom lift, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $500 | $500 | $500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $500. ## Similar buildings nearby - [9 Union Avenue, Lynbrook](https://skypsi.com/property/ny/new-york/spey0p470y9hjq1-9-union-avenue-lynbrook/) - [280 Atlantic Avenue, East Rockaway](https://skypsi.com/property/ny/new-york/spj402nrdpwgyj0-280-atlantic-avenue-east-rockaway/) - [60 Everit Avenue, Hewlett](https://skypsi.com/property/ny/new-york/spz60nyc1twg10c-60-everit-avenue-hewlett/) - [80 Clinton Avenue, Rockville Centre](https://skypsi.com/property/ny/new-york/sptd5rb59tc5sby-80-clinton-avenue-rockville-centre/) - [135 Fletcher Avenue, Valley Stream](https://skypsi.com/property/ny/new-york/spn0qcrkxdg1f86-135-fletcher-avenue-valley-stream/) - [585 Corona Avenue, Valley Stream](https://skypsi.com/property/ny/new-york/spycmq3s89k6xbx-585-corona-avenue-valley-stream/) - [880 Catalpa Drive, Franklin Square](https://skypsi.com/property/ny/new-york/spgehdynhdbv6x6-880-catalpa-drive-franklin-square/) - [67 Hillside Avenue, Rockville Centre](https://skypsi.com/property/ny/new-york/spzxemr4teezsgb-67-hillside-avenue-rockville-centre/) ## 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](https://skypsi.com/estimates/methodology/sources-and-licensing/): Situs addresses, parcel numbers, land use, year built and floor counts from county appraisal districts and state open data. - [USA Structures](https://disasters.geoplatform.gov/USA_Structures/): Building footprints, heights and occupancy from FEMA's USA Structures. - [SkyPSI estimator](https://skypsi.com/estimates/methodology/sources-and-licensing/): 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](https://skypsi.com/estimates/methodology/how-a-skyestimate-is-built/). [Request a Quote](https://skypsi.com/request-a-quote) --- Sources: County and state public records, USA Structures, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://skypsi.com/estimates/methodology/sources-and-licensing/ Building footprints: USA Structures, FEMA Response Geospatial Office, Oak Ridge National Laboratory and U.S. Geological Survey (CC BY 4.0). https://disasters.geoplatform.gov/USA_Structures/ Page: https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook/ JSON: https://skypsi.com/property/ny/new-york/spk1xkcgy9vacvz-57-union-place-lynbrook.json Content license: https://skypsi.com/content-license.txt