# 511 7 Avenue, Brooklyn School in Brooklyn, New York. It covers 34,841 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 511 7 Avenue, Brooklyn. School in Brooklyn, New York. Property ID spkxxtz4r3s2v9a. ## Facts **Facts about 511 7 Avenue, Brooklyn** | Fact | Value | Source | | --- | --- | --- | | Address | 511 7 Avenue, Brooklyn, NY 11215 | [USA Structures](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Building type | School | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Place name | Ps 10 | [Overture Maps places](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Place type | elementary school | [Overture Maps places](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Footprint | 34,841 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Perimeter | 1,514.31 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Height | 63.98 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Stories | 5 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Exterior wall area | 87,971 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Parcel number | 3008690018 | [County and state public records](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Land use | 02 Multi-Family Walk-Up Buildings (class C2) | [County and state public records](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Year built | 1931 | [County and state public records](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Stories on the parcel record | 3 stories | [County and state public records](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/#how-we-know) | | Building area on the parcel record | 4,308 square feet | [County and state public records](https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-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) | $8,000 | $15,000 | $25,500 | | Facade wash with mold or growth treatment | $12,000 | $22,500 | $38,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $15,000 | $27,500 | $45,500 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $3,000 | $6,000 | $10,000 | | Windows inside and out | $5,000 | $10,000 | $18,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $20,500 | $40,500 | $71,000 | | Windows inside and out, rope access | $22,500 | $44,500 | $79,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $15,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $6,000. ## Similar buildings nearby - [544 7 Ave, Brooklyn](https://skypsi.com/property/ny/new-york/spbmf0j0dbgfvgr-544-7-ave-brooklyn/) - [465 18 Street, Brooklyn](https://skypsi.com/property/ny/new-york/sp4wy5qd97wk903-465-18-street-brooklyn/) - [544 7 Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/sp24qan1stp0qm0-544-7-avenue-brooklyn/) - [1921 8 Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/spd6bh67f5w6sy7-1921-8-avenue-brooklyn/) - [445 20 St, Brooklyn](https://skypsi.com/property/ny/new-york/spfmcnx6h4ydq6z-445-20-st-brooklyn/) - [453 20 St, Brooklyn](https://skypsi.com/property/ny/new-york/spnxfbgggmgc6an-453-20-st-brooklyn/) - [330 18 Street, Brooklyn](https://skypsi.com/property/ny/new-york/sp6k942935vqcsw-330-18-street-brooklyn/) - [357 15 Street, Brooklyn](https://skypsi.com/property/ny/new-york/spkdfbb57se56x1-357-15-street-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. - [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/spkxxtz4r3s2v9a-511-7-avenue-brooklyn/ JSON: https://skypsi.com/property/ny/new-york/spkxxtz4r3s2v9a-511-7-avenue-brooklyn.json Content license: https://skypsi.com/content-license.txt