# 340 Carroll Street, Brooklyn Apartments in Brooklyn, New York. It covers 2,897 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 340 Carroll Street, Brooklyn. Apartments in Brooklyn, New York. Property ID spb4js9x2v4d4e7. ## Facts **Facts about 340 Carroll Street, Brooklyn** | Fact | Value | Source | | --- | --- | --- | | Address | 340 Carroll Street, Brooklyn, NY 11231 | [USA Structures](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Footprint | 2,897 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Perimeter | 222.44 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Height | 27.95 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Stories | 3 stories | [USA Structures](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Exterior wall area | 6,218 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Parcel number | 3004510021 | [County and state public records](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Land use | 02 Multi-Family Walk-Up Buildings (class C0) | [County and state public records](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Year built | 1899 | [County and state public records](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Stories on the parcel record | 2 stories | [County and state public records](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/#how-we-know) | | Building area on the parcel record | 1,840 square feet | [County and state public records](https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-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 | $1,000 | $1,500 | $3,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $1,500. ## Similar buildings nearby - [340 Court Street, Brooklyn](https://skypsi.com/property/ny/new-york/spevbt2tqd4e40p-340-court-street-brooklyn/) - [325 Baltic Street, Brooklyn](https://skypsi.com/property/ny/new-york/spv8fnseww065cw-325-baltic-street-brooklyn/) - [335 3 Street, Brooklyn](https://skypsi.com/property/ny/new-york/sp4s7zb25z8qxyh-335-3-street-brooklyn/) - [240 Atlantic Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/spr2znmt89bw9cj-240-atlantic-avenue-brooklyn/) - [691 Sackett Street, Brooklyn](https://skypsi.com/property/ny/new-york/sp52k5frsa8z8t5-691-sackett-street-brooklyn/) - [123 Garfield Place, Brooklyn](https://skypsi.com/property/ny/new-york/spdt7jw4c8ncqgf-123-garfield-place-brooklyn/) - [294 8 Street, Brooklyn](https://skypsi.com/property/ny/new-york/spg4mzegqzfnwpr-294-8-street-brooklyn/) - [42 Livingston Street, Brooklyn](https://skypsi.com/property/ny/new-york/spmym1mrv1vmyrk-42-livingston-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://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/ Page: https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn/ JSON: https://skypsi.com/property/ny/new-york/spb4js9x2v4d4e7-340-carroll-street-brooklyn.json Content license: https://skypsi.com/content-license.txt