# 21 Lumber Road, Roslyn

Apartments in Roslyn, New York. It covers 8,452 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

21 Lumber Road, Roslyn. Apartments in Roslyn, New York. Property ID sppf0bv7yvfehh3.

## Facts

**Facts about 21 Lumber Road, Roslyn**

| Fact | Value | Source |
| --- | --- | --- |
| Address | 21 Lumber Road, Roslyn, NY 11576 | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#how-we-know) |
| Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#how-we-know) |
| Footprint | 8,452 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#how-we-know) |
| Perimeter | 1,406.18 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#how-we-know) |
| Stories | 3 stories | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#how-we-know) |
| Parcel number | 282241-6.-53-1045 | [County and state public records](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#how-we-know) |
| Land use | 411 - Apartments | [County and state public records](https://skypsi.com/property/ny/new-york/sppf0bv7yvfehh3-21-lumber-road-roslyn/#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 | $3,500 | $6,500 | $10,500 |

## Best method

- [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $6,500.

## Similar buildings nearby

- [100 Landing Road, Roslyn](https://skypsi.com/property/ny/new-york/spt9sdpdrqx0b6b-100-landing-road-roslyn/)
- [300 Edwards Street, Roslyn](https://skypsi.com/property/ny/new-york/spd4atjsxdemv2t-300-edwards-street-roslyn/)
- [300 East Overlook, Port Washington](https://skypsi.com/property/ny/new-york/spntf14zptvgsrh-300-east-overlook-port-washington/)
- [100 Harbor View Drive, Port Washington](https://skypsi.com/property/ny/new-york/spj7rp2yx3h5ky6-100-harbor-view-drive-port-washington/)
- [2009 Royal Court, Manhasset](https://skypsi.com/property/ny/new-york/sp2qnrs81qr8g1y-2009-royal-court-manhasset/)
- [178 2nd Street, Mineola](https://skypsi.com/property/ny/new-york/spr9zm03xvjnqwq-178-2nd-street-mineola/)
- [150 Old Country Road, Mineola](https://skypsi.com/property/ny/new-york/sptysg5get81w7y-150-old-country-road-mineola/)
- [69 North Service Road, Great Neck](https://skypsi.com/property/ny/new-york/spcysxj2n9tbwdj-69-north-service-road-great-neck/)

## 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/

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