# 7123 4 Avenue, Brooklyn Apartments in Brooklyn, New York. It covers 7,315 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 7123 4 Avenue, Brooklyn. Apartments in Brooklyn, New York. Property ID sp1xfv1dxbpe83g. ## Facts **Facts about 7123 4 Avenue, Brooklyn** | Fact | Value | Source | | --- | --- | --- | | Address | 7123 4 Avenue, Brooklyn, NY 11209 | [USA Structures](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Footprint | 7,315 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Perimeter | 536.71 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Height | 45.54 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Stories | 5 stories | [USA Structures](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Exterior wall area | 24,441 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Parcel number | 3058920001 | [County and state public records](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Land use | 02 Multi-Family Walk-Up Buildings (class C1) | [County and state public records](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Year built | 1950 | [County and state public records](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Stories on the parcel record | 4 stories | [County and state public records](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#how-we-know) | | Building area on the parcel record | 28,000 square feet | [County and state public records](https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/#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 by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash (drone) | $2,000 | $4,000 | $6,500 | | Facade wash with mold or growth treatment | $3,000 | $5,500 | $10,000 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $4,000 | $7,000 | $11,500 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $1,000 | $1,500 | $2,500 | | Windows inside and out | $1,500 | $2,500 | $4,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $5,000 | $10,500 | $18,000 | | Windows inside and out, rope access | $5,500 | $11,500 | $20,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $4,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $1,500. ## Similar buildings nearby - [7201 4 Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/sp83zdjjfx9yytw-7201-4-avenue-brooklyn/) - [363 72 Street, Brooklyn](https://skypsi.com/property/ny/new-york/spzs1bg6meqf41d-363-72-street-brooklyn/) - [7301 4 Ave, Brooklyn](https://skypsi.com/property/ny/new-york/spgm3aftzv5re2b-7301-4-ave-brooklyn/) - [425 Ovington Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/sptz95xxyz979np-425-ovington-avenue-brooklyn/) - [437 Ovington Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/sp1wd03q49d1qsv-437-ovington-avenue-brooklyn/) - [475 73 Street, Brooklyn](https://skypsi.com/property/ny/new-york/spfjndna6k66nwx-475-73-street-brooklyn/) - [7311 4 Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/sp864g9rqnxdgv6-7311-4-avenue-brooklyn/) - [359 Ovington Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/sp08qy23ytjwh5b-359-ovington-avenue-brooklyn/) ## 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. - [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://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/ Page: https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn/ JSON: https://skypsi.com/property/ny/new-york/sp1xfv1dxbpe83g-7123-4-avenue-brooklyn.json Content license: https://skypsi.com/content-license.txt