# 777 St Marks Ave, Brooklyn Apartments in Brooklyn, New York. It covers 10,445 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 777 St Marks Ave, Brooklyn. Apartments in Brooklyn, New York. Property ID sp8kck89k2bsg09. ## Facts **Facts about 777 St Marks Ave, Brooklyn** | Fact | Value | Source | | --- | --- | --- | | Address | 777 St Marks Ave, Brooklyn, NY 11213 | [Overture Maps addresses](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Footprint | 10,445 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Perimeter | 610 feet | [USA Structures](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Height | 69.88 feet | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Stories | 7 stories | [Overture Maps building footprints and Google Open Buildings](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Exterior wall area | 42,628 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Parcel number | 3012210018 | [County and state public records](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Land use | 03 Multi-Family Elevator Buildings (class D1) | [County and state public records](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Year built | 1944 | [County and state public records](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Stories on the parcel record | 6 stories | [County and state public records](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/#how-we-know) | | Building area on the parcel record | 79,200 square feet | [County and state public records](https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-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) | $4,000 | $7,000 | $12,000 | | Facade wash with mold or growth treatment | $6,000 | $10,500 | $18,500 | **Exterior soft wash from a boom lift and by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Facade wash, conventional access | $7,000 | $13,000 | $21,500 | ### Window cleaning **Window cleaning by drone, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows only | $1,500 | $3,000 | $5,000 | | Windows inside and out | $2,500 | $5,000 | $8,500 | **Window cleaning by rope access, whole building** | Service | Low | Most likely | High | | --- | --- | --- | --- | | Exterior windows, rope access | $9,500 | $19,500 | $33,500 | | Windows inside and out, rope access | $10,500 | $21,000 | $37,500 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Drone has the lowest cost, most likely $7,000. - [Window cleaning](https://skypsi.com/estimates/window-cleaning/): Drone has the lowest cost, most likely $3,000. ## Similar buildings nearby - [1180 Bergen Street, Brooklyn](https://skypsi.com/property/ny/new-york/spwr5jwtam66mn8-1180-bergen-street-brooklyn/) - [1188 Bergen Street, Brooklyn](https://skypsi.com/property/ny/new-york/sp02avvhbpb1t8j-1188-bergen-street-brooklyn/) - [769 St Marks Avenue, Brooklyn](https://skypsi.com/property/ny/new-york/spvafq5dk0wgvd3-769-st-marks-avenue-brooklyn/) - [1188 Bergen St, Brooklyn](https://skypsi.com/property/ny/new-york/sp4cegwrqxk59ff-1188-bergen-st-brooklyn/) - [810 St Marks Ave, Brooklyn](https://skypsi.com/property/ny/new-york/sp9db61s8bnmrtm-810-st-marks-ave-brooklyn/) - [155 New York Ave, Brooklyn](https://skypsi.com/property/ny/new-york/spz4bvwtcznxes6-155-new-york-ave-brooklyn/) - [925 Prospect Pl, Brooklyn](https://skypsi.com/property/ny/new-york/spgkwky4z0n9pxg-925-prospect-pl-brooklyn/) - [819 St Marks Ave, Brooklyn](https://skypsi.com/property/ny/new-york/sphxe80pnmwz9qf-819-st-marks-ave-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 addresses](https://docs.overturemaps.org/attribution/): Street addresses from the Overture Maps addresses theme. - [Overture Maps building footprints](https://opendatacommons.org/licenses/odbl/1-0/): Building outlines, heights and floor counts from the Overture Maps buildings 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 addresses, Overture Maps building footprints, 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/ Addresses: Overture Maps Foundation, overturemaps.org (addresses theme), including the U.S. Department of Transportation National Address Database (NAD). https://docs.overturemaps.org/attribution/ 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/ Page: https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn/ JSON: https://skypsi.com/property/ny/new-york/sp8kck89k2bsg09-777-st-marks-ave-brooklyn.json Content license: https://skypsi.com/content-license.txt