# 301 John Warren Avenue, Brooklyn Government in Brooklyn, New York. It covers 13,922 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 301 John Warren Avenue, Brooklyn. Government in Brooklyn, New York. Property ID sp4n3ycwe6pz42j. ## Facts **Facts about 301 John Warren Avenue, Brooklyn** | Fact | Value | Source | | --- | --- | --- | | Address | 301 John Warren Avenue, Brooklyn, NY 11252 | [USA Structures](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Building type | Government | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Place name | United States Postal Service | [Overture Maps places](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Place type | post office | [Overture Maps places](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Footprint | 13,922 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Perimeter | 710.09 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Height | 22.34 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Stories | 2 stories | [USA Structures](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Exterior wall area | 15,865 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Parcel number | 3061530001 | [County and state public records](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Land use | 08 Public Facilities & Institutions (class Y4) | [County and state public records](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Year built | 1931 | [County and state public records](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Stories on the parcel record | 1 story | [County and state public records](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/#how-we-know) | | Building area on the parcel record | 1,545,708 square feet | [County and state public records](https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-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 from a boom lift, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $2,500 | $4,500 | $7,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $4,500. ## Similar buildings nearby - [352 Ft Hamilton, Brooklyn](https://skypsi.com/property/ny/new-york/sppv7y8t1jdd9gt-352-ft-hamilton-brooklyn/) - [354 Ft Hamilton, Brooklyn](https://skypsi.com/property/ny/new-york/sp38grf2f5w991t-354-ft-hamilton-brooklyn/) - [124 Wainwright Drive, Brooklyn](https://skypsi.com/property/ny/new-york/spahk4h2012r3gc-124-wainwright-drive-brooklyn/) - [237 Grimes Road, Brooklyn](https://skypsi.com/property/ny/new-york/spfce5h2e3kt9sj-237-grimes-road-brooklyn/) - [124 Wainwright Dr, Brooklyn](https://skypsi.com/property/ny/new-york/sp8gkchjb6jp15k-124-wainwright-dr-brooklyn/) - [302 John Warren Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/spfv7c4kyzfgdjj-302-john-warren-avenue-brooklyn/) - [343 Ft Hamilton, Brooklyn](https://skypsi.com/property/ny/new-york/spgga26c8hh5skc-343-ft-hamilton-brooklyn/) - [357 Doubleday Lane, Brooklyn](https://skypsi.com/property/ny/new-york/spxnc5gvh860gt8-357-doubleday-lane-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. - [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, 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/ 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/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn/ JSON: https://skypsi.com/property/ny/new-york/sp4n3ycwe6pz42j-301-john-warren-avenue-brooklyn.json Content license: https://skypsi.com/content-license.txt