# 121 Brook Avenue, Deer Park

Industrial in Deer Park, New York. It covers 1,648 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

121 Brook Avenue, Deer Park. Industrial in Deer Park, New York. Property ID sp3kn7596v9bbvk.

## Facts

**Facts about 121 Brook Avenue, Deer Park**

| Fact | Value | Source |
| --- | --- | --- |
| Address | 121 Brook Avenue, Deer Park, NY 11729 | [USA Structures](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#how-we-know) |
| Building type | Industrial | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#how-we-know) |
| Footprint | 1,648 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#how-we-know) |
| Perimeter | 162.32 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#how-we-know) |
| Stories | 1 story | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#how-we-know) |
| Parcel number | 472089118.-3-2 | [County and state public records](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#how-we-know) |
| Land use | 710 Manufacturing and processing | [County and state public records](https://skypsi.com/property/ny/new-york/sp3kn7596v9bbvk-121-brook-avenue-deer-park/#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

- [365 Bay Shore Road, Deer Park](https://skypsi.com/property/ny/new-york/spewtseqh1zmgn2-365-bay-shore-road-deer-park/)
- [261 Skidmore Road, Deer Park](https://skypsi.com/property/ny/new-york/spqfvh681j6bknb-261-skidmore-road-deer-park/)
- [435 Brook Avenue, Deer Park](https://skypsi.com/property/ny/new-york/spt2b2gfsk58kej-435-brook-avenue-deer-park/)
- [44 West Jefryn Boulevard, Deer Park](https://skypsi.com/property/ny/new-york/sp8exbyzvzwr4p2-44-west-jefryn-boulevard-deer-park/)
- [77 East Jefryn Boulevard, Deer Park](https://skypsi.com/property/ny/new-york/spcpgv6rg0mn3yc-77-east-jefryn-boulevard-deer-park/)
- [1 Burt Drive, Deer Park](https://skypsi.com/property/ny/new-york/spjk29dxr65bce5-1-burt-drive-deer-park/)
- [925 Grand Boulevard, Deer Park](https://skypsi.com/property/ny/new-york/spmg63ap7a0n4xj-925-grand-boulevard-deer-park/)
- [1300 Howells Road, Bay Shore](https://skypsi.com/property/ny/new-york/sp6m9j45h3ytgm9-1300-howells-road-bay-shore/)

## 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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