# 340 Marconi Boulevard, Copiague Industrial in Copiague, New York. It covers 5,011 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 340 Marconi Boulevard, Copiague. Industrial in Copiague, New York. Property ID sp6n2vfb84sqt4x. ## Facts **Facts about 340 Marconi Boulevard, Copiague** | Fact | Value | Source | | --- | --- | --- | | Address | 340 Marconi Boulevard, Copiague, NY 11726 | [USA Structures](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Building type | Industrial | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Place name | Nursery School | [Overture Maps places](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Place type | school | [Overture Maps places](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Footprint | 5,011 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Perimeter | 316.67 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Stories | 1 story | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Parcel number | 472089177.-3-61 | [County and state public records](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#how-we-know) | | Land use | 710 Manufacturing and processing | [County and state public records](https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/#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 | $1,000 | $1,500 | $3,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $1,500. ## Similar buildings nearby - [13 Edison Street, Amityville](https://skypsi.com/property/ny/new-york/spzcwqwjw36fn1n-13-edison-street-amityville/) - [315 Bayview Avenue, Amityville](https://skypsi.com/property/ny/new-york/spf7paez87441gt-315-bayview-avenue-amityville/) - [333 Bayview Avenue, Amityville](https://skypsi.com/property/ny/new-york/sp641tvs4v6cn0e-333-bayview-avenue-amityville/) - [336 Bayview Avenue, Amityville](https://skypsi.com/property/ny/new-york/sp1xxav899mx54j-336-bayview-avenue-amityville/) - [800 Chettic Avenue, Copiague](https://skypsi.com/property/ny/new-york/spsj6nh6kkprvbm-800-chettic-avenue-copiague/) - [65 Court Street, Copiague](https://skypsi.com/property/ny/new-york/sp9tye4em0xkjx0-65-court-street-copiague/) - [585 West Hoffman Avenue, Lindenhurst](https://skypsi.com/property/ny/new-york/spgwth6ks4zzseb-585-west-hoffman-avenue-lindenhurst/) - [7000 New Horizons Boulevard, Amityville](https://skypsi.com/property/ny/new-york/sp2k76b5yerbpzn-7000-new-horizons-boulevard-amityville/) ## 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. - [Overture Maps places](https://docs.overturemaps.org/attribution/): Business and place names from the Overture Maps places 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, Overture Maps places, 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/ Business names: Overture Maps Foundation, overturemaps.org (places theme, CDLA Permissive 2.0). https://docs.overturemaps.org/attribution/ Page: https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague/ JSON: https://skypsi.com/property/ny/new-york/sp6n2vfb84sqt4x-340-marconi-boulevard-copiague.json Content license: https://skypsi.com/content-license.txt