# 290 Long Island Avenue, Holtsville Apartments in Holtsville, New York. It covers 527 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 290 Long Island Avenue, Holtsville. Apartments in Holtsville, New York. Property ID spz45ee0reyv8vg. ## Facts **Facts about 290 Long Island Avenue, Holtsville** | Fact | Value | Source | | --- | --- | --- | | Address | 290 Long Island Avenue, Holtsville, NY 11742 | [USA Structures](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Footprint | 527 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Perimeter | 97.32 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Height | 16.65 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Stories | 2 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Exterior wall area | 1,621 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Parcel number | 472289769.00-01-005.003 | [County and state public records](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#how-we-know) | | Land use | 230 Three family year-round residence | [County and state public records](https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/#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 - [5537 Expressway Drive North, Holtsville](https://skypsi.com/property/ny/new-york/spyqmswgf2pvqqt-5537-expressway-drive-north-holtsville/) - [1529 North Ocean Avenue, Medford](https://skypsi.com/property/ny/new-york/sp0m75ejyppz1ra-1529-north-ocean-avenue-medford/) - [2312 North Ocean Avenue, Farmingville](https://skypsi.com/property/ny/new-york/spkmvx2my9c7v7z-2312-north-ocean-avenue-farmingville/) - [399 Horseblock Road, Farmingville](https://skypsi.com/property/ny/new-york/spthb9h5n2ba6wj-399-horseblock-road-farmingville/) - [2799 Route 112, Medford](https://skypsi.com/property/ny/new-york/spdjffb2y9cqv2n-2799-route-112-medford/) - [367 Sunrise Highway Westbound Service Road, Patchogue](https://skypsi.com/property/ny/new-york/spk098rtzf1xca6-367-sunrise-highway-westbound-service-road-patchogue/) - [440 Sunrise Highway Eastbound Service Road, Patchogue](https://skypsi.com/property/ny/new-york/spm1dx82n9jesr5-440-sunrise-highway-eastbound-service-road-patchogue/) - [3115 Horseblock Road, Medford](https://skypsi.com/property/ny/new-york/sp6vpevyb5k981x-3115-horseblock-road-medford/) ## 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. - [Google Open Buildings](https://sites.research.google/open-buildings/): Building outlines and heights from Google Open Buildings, reached through the Overture Maps buildings theme. - [Overture Maps building footprints](https://opendatacommons.org/licenses/odbl/1-0/): Building outlines, heights and floor counts from the Overture Maps buildings theme. - [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, Google Open Buildings, Overture Maps building footprints, 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/ Building data from Google Open Buildings, reached through Overture Maps Foundation, overturemaps.org. https://sites.research.google/open-buildings/ Building footprints from Overture Maps Foundation, including OpenStreetMap contributors, Microsoft, Esri Community Maps contributors and USGS, under the Open Database License (ODbL). https://opendatacommons.org/licenses/odbl/1-0/ Page: https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville/ JSON: https://skypsi.com/property/ny/new-york/spz45ee0reyv8vg-290-long-island-avenue-holtsville.json Content license: https://skypsi.com/content-license.txt