# 366 Underhill Avenue, Yorktown Heights Office in Yorktown Heights, New York. It covers 1,319 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 366 Underhill Avenue, Yorktown Heights. Office in Yorktown Heights, New York. Property ID spfhsq119283kt7. ## Facts **Facts about 366 Underhill Avenue, Yorktown Heights** | Fact | Value | Source | | --- | --- | --- | | Address | 366 Underhill Avenue, Yorktown Heights, NY 10598 | [USA Structures](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#how-we-know) | | Building type | Office | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#how-we-know) | | Footprint | 1,319 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#how-we-know) | | Perimeter | 146.12 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#how-we-know) | | Stories | 2 stories | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#how-we-know) | | Parcel number | 55540037.18-2-73 | [County and state public records](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#how-we-know) | | Land use | 481 Downtown row type (with common wall) | [County and state public records](https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/#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 | $1,000 | $1,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $1,000. ## Similar buildings nearby - [1565 Front Street, Yorktown Heights](https://skypsi.com/property/ny/new-york/spn0x7twcv8pkqd-1565-front-street-yorktown-heights/) - [1520 Front Street, Yorktown Heights](https://skypsi.com/property/ny/new-york/spv0n5qvqwa0nwp-1520-front-street-yorktown-heights/) - [1 Pepsi Way, Katonah](https://skypsi.com/property/ny/new-york/sp4h83nr6pwfv9f-1-pepsi-way-katonah/) - [510 Furnace Dock Road, Cortlandt Manor](https://skypsi.com/property/ny/new-york/spm8923rn0frxby-510-furnace-dock-road-cortlandt-manor/) - [480 Bedford Road, Chappaqua](https://skypsi.com/property/ny/new-york/spcn8tabg314d97-480-bedford-road-chappaqua/) - [3133 East Main Street, Mohegan Lake](https://skypsi.com/property/ny/new-york/spy2jvvgzmb3d25-3133-east-main-street-mohegan-lake/) - [3131 East Main Street, Mohegan Lake](https://skypsi.com/property/ny/new-york/spsfjbd5qdef5j1-3131-east-main-street-mohegan-lake/) - [1 Zeiss Drive, Thornwood](https://skypsi.com/property/ny/new-york/spj2fma6rfp11cg-1-zeiss-drive-thornwood/) ## 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/spfhsq119283kt7-366-underhill-avenue-yorktown-heights/ JSON: https://skypsi.com/property/ny/new-york/spfhsq119283kt7-366-underhill-avenue-yorktown-heights.json Content license: https://skypsi.com/content-license.txt