# 623 Underhill Avenue, Bronx Apartments in Bronx, New York. It covers 1,264 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 623 Underhill Avenue, Bronx. Apartments in Bronx, New York. Property ID spvatavyqhe8fr1. ## Facts **Facts about 623 Underhill Avenue, Bronx** | Fact | Value | Source | | --- | --- | --- | | Address | 623 Underhill Avenue, Bronx, NY 10473 | [USA Structures](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Building type | Apartments | [USA Structures and SkyPSI estimator](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Footprint | 1,264 square feet | [USA Structures](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Perimeter | 159.86 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Height | 15.55 feet | [USA Structures](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Stories | 2 stories | [USA Structures](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Exterior wall area | 2,486 square feet | [SkyPSI estimator](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Parcel number | 2035610073 | [County and state public records](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Land use | 01 One & Two Family Buildings (class B3) | [County and state public records](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Year built | 1920 | [County and state public records](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Stories on the parcel record | 1 story | [County and state public records](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#how-we-know) | | Building area on the parcel record | 2,200 square feet | [County and state public records](https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx/#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 | $500 | $500 | $1,000 | ## Best method - [Exterior soft wash](https://skypsi.com/estimates/exterior-soft-wash/): Boom lift fits this building, most likely $500. ## Similar buildings nearby - [625 Underhill Avenue, Bronx](https://skypsi.com/property/ny/new-york/spjd17sdk4efm5x-625-underhill-avenue-bronx/) - [617 Underhill Avenue, Bronx](https://skypsi.com/property/ny/new-york/spv1r39pwp1ntgt-617-underhill-avenue-bronx/) - [615 Underhill Avenue, Bronx](https://skypsi.com/property/ny/new-york/spv749sgwkktwar-615-underhill-avenue-bronx/) - [616 Leland Avenue, Bronx](https://skypsi.com/property/ny/new-york/spxc9dv1rn080bw-616-leland-avenue-bronx/) - [611 Underhill Avenue, Bronx](https://skypsi.com/property/ny/new-york/sp2axnh48wgx15b-611-underhill-avenue-bronx/) - [1877 Randall Avenue, Bronx](https://skypsi.com/property/ny/new-york/sp3hmgpbwhzxajz-1877-randall-avenue-bronx/) - [616 Leland Avenue, Bronx](https://skypsi.com/property/ny/new-york/sp5vqffm1ak9btb-616-leland-avenue-bronx/) - [622 Leland Avenue, Bronx](https://skypsi.com/property/ny/new-york/spn84efzbsf2gww-622-leland-avenue-bronx/) ## 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/spvatavyqhe8fr1-623-underhill-avenue-bronx/ JSON: https://skypsi.com/property/ny/new-york/spvatavyqhe8fr1-623-underhill-avenue-bronx.json Content license: https://skypsi.com/content-license.txt