# 274 Mill Road, Riverhead Retail in Riverhead, New York. It covers 10,631 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 274 Mill Road, Riverhead. Retail in Riverhead, New York. Property ID sp055d1b5fb43kx. ## Facts **Facts about 274 Mill Road, Riverhead** | Fact | Value | Source | | --- | --- | --- | | Address | 274 Mill Road, Riverhead, NY 11901 | [USA Structures](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Building type | Retail | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Place name | Eastern Welding | [Overture Maps places](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Place type | metal fabricator | [Overture Maps places](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Footprint | 10,631 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Perimeter | 470.6 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Height | 15.02 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Height survey year | 2014 | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Stories | 1 story | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Exterior wall area | 7,069 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Parcel number | 473000119.-1-13 | [County and state public records](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#how-we-know) | | Land use | 484 One story small structure | [County and state public records](https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead/#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 | $2,000 | $3,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $2,000. ## Similar buildings nearby - [1471 Pulaski Street, Riverhead](https://skypsi.com/property/ny/new-york/spp2x4dkt4a3tst-1471-pulaski-street-riverhead/) - [1615 Old Country Road, Riverhead](https://skypsi.com/property/ny/new-york/sp14ch5dfat63dn-1615-old-country-road-riverhead/) - [1575 Old Country Road, Riverhead](https://skypsi.com/property/ny/new-york/spgpp4gcr2wkexc-1575-old-country-road-riverhead/) - [1615 Old Country Road, Riverhead](https://skypsi.com/property/ny/new-york/sprh24fyjmz72f6-1615-old-country-road-riverhead/) - [1490 Old Country Road, Riverhead](https://skypsi.com/property/ny/new-york/spr0e1pk7ewpwn2-1490-old-country-road-riverhead/) - [1480 Old Country Road, Riverhead](https://skypsi.com/property/ny/new-york/sph47sdzahjb2q2-1480-old-country-road-riverhead/) - [1407 Pulaski Street, Riverhead](https://skypsi.com/property/ny/new-york/sp75hry1eyh7m4h-1407-pulaski-street-riverhead/) - [1407 Pulaski Street, Riverhead](https://skypsi.com/property/ny/new-york/spyb5mc0ttg3gs2-1407-pulaski-street-riverhead/) ## 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://comptroller.texas.gov/taxes/property-tax/): 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. - [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, Google Open Buildings, Overture Maps building footprints, Overture Maps places, SkyPSI estimator. Parcel and address facts from county appraisal districts and state open-data programs (public records). https://comptroller.texas.gov/taxes/property-tax/ 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/ 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/sp055d1b5fb43kx-274-mill-road-riverhead/ JSON: https://skypsi.com/property/ny/new-york/sp055d1b5fb43kx-274-mill-road-riverhead.json Content license: https://skypsi.com/content-license.txt