# 640 Columbus Avenue, Manhattan

Parochial school · built 1969 · Block 1222, Lot 29.

On Umarelli: https://umarelli.org/nyc/1012220029/640-columbus-avenue

More construction in Upper West Side: https://umarelli.org/nyc/manhattan/upper-west-side.md

Every lot on block 1222: https://umarelli.org/nyc/manhattan/1222.md

## Building permits

- Alteration, filed May 22, 2025, estimated cost $1K, described as “Installation of temporary chute as per plans.no change in use, egress or occupancy.”
- Alteration, filed May 22, 2025, estimated cost $5K, described as “Installation of 300PSF sidewalk shed, construction fence and pipe scaffolding as per plans. All equipment shall comply with the chapter #33 of the NYC code 2022, no changes in egress or occupancy.”
- Alteration, filed Feb 21, 2025, estimated cost $1.4M, described as “Filing herewith renovation of existing classrooms as per plans.”
- Alteration, filed Aug 9, 2024, estimated cost $42K, described as “Installation of split unit heat pumps in elevator machine room. No change in use, egress, or occupancy.”
- Alteration, filed Jul 12, 2024, estimated cost $426K, described as “Roof replacement as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Feb 20, 2024, described as “Exterior facade inspections with 3 life-lines, install outrigger beams and roof hoist. Sidewalk shed filed under application # M00857599-P1.”
- Alteration, filed May 16, 2023, estimated cost $78K, described as “Fling herewith for PL work as per plans. No Change to use egress or occupancy on this application.”
- Alteration, filed May 15, 2023, estimated cost $1.3M, described as “Fling herewith for GC work as per plans. No Change to use egress or occupancy on this application.”
- Alteration, filed Apr 13, 2023, estimated cost $5K, described as “Installation of 727' new sidewalk shed at 100 w 92nd st as indicated on plans. There will be no change in the use, egress, or occupancy under this application.”
- Alteration, filed Feb 9, 2023, estimated cost $419K, described as “Facade Repairs as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed May 31, 2022, estimated cost $500K, described as “Plumbing work in residential apartment building as shown on plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed May 31, 2022, estimated cost $75K, described as “Minor mechanical work within residential apartment building as per plans submitted. No change to use, egress, or occupancy.”
- Alteration, filed May 31, 2022, estimated cost $430K, described as “Paa to remove 25TH floor from scope of work”
- Alteration, filed May 31, 2022, estimated cost $22K, described as “Mechanical work in the elevator machine room as per plans submitted. No change to use, egress, or occupancy.”
- Alteration, filed May 7, 2019, described as “Installation of pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Apr 26, 2019, described as “Installation of sidewalk shed as per plans. No change in use, egress or occupancy.”

## Property taxes

- Assessment: $12,816,000
- Market value (city estimate): $28,480,000
- Taxable value: $0
- Assessed land: $5,135,850
- Assessed improvements: $7,680,150

## Tax breaks

- Nonprofit exemption (religious school), with no end date, about $1,390,280 a year below the full tax.

## Zoning

C1-9 (part of the lot is R7-2): floor area ratio 2.59 built, 10.00 allowed by base zoning.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Board and land use applications

- Variance or special permit (Board of Standards and Appeals 117-14-BZ): Variance or special permit, Granted, filed Jun 3, 2014, decided Feb 24, 2015. Variance (§72-21) to permit the enlargement of a school (Trinity School), including construction of a 2-story building addition with rooftop turf field, contrary to required rear yard equivalents, lot coverage, height and setback, and…
- TRINITY HOUSE/SCHOOL (City Planning P1994M0453): Completed, decided Apr 25, 1996. ; Additional Other #(s): 930493A

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology