# 225 Adelphi Street, Brooklyn

Public school · built 1951 · Block 2091, Lot 3.

On Umarelli: https://umarelli.org/nyc/3020910003/225-adelphi-street

More construction in Fort Greene: https://umarelli.org/nyc/brooklyn/fort-greene.md

Every lot on block 2091: https://umarelli.org/nyc/brooklyn/2091.md

## Building permits

- Alteration, filed Sep 16, 2025, estimated cost $20K, described as “Soe/PS20K - for support of excavation submitting on behalf of contractor, related to DOB# B00940640, B01253221, no change in use,occupancy or egress”
- Alteration, filed Aug 25, 2025, estimated cost $20K, described as “Fn/PS20K - for temporary construction equipment(fence) submitting on behalf of contractor, related to DOB # B00883288 ,B00940640 ,B01026926. B01270837 no change in use, occupancy or egress”
- Alteration, filed Aug 25, 2025, estimated cost $20K, described as “Sf/PS20K - for temporary construction equipment(scaffold) submitting on behalf of contractor, related to DOB # B00883288 ,B00940640 , no change in use, occupancy or egress”
- Alteration, filed Aug 25, 2025, estimated cost $20K, described as “Sh/PS20K - for temporary construction equipment(shed) submitting on behalf of contractor, related to DOB # B00883288 ,B00940640 , no change in use, occupancy or egress”
- Alteration, filed Apr 2, 2024, estimated cost $3.0M, described as “Proposed green roof used for teaching and growing plants/gardening. Extending structure for new plastic lumber deck, new planters and enclosures around the perimeter of the green roof. Renovations to bulkhead#2 & door & steps a stair#2 for…”
- Alteration, filed Oct 12, 2023, estimated cost $6.1M, described as “ADA upgrade including elevator addition and new entrance lobby”
- Alteration, filed Jun 12, 2023, estimated cost $5.3M, described as “Roof replacement, parapet replacement and masonry replacement”

## Property taxes

- Assessment: $9,614,700
- Market value (city estimate): $21,366,000
- Taxable value: $0
- Assessed land: $2,043,000
- Assessed improvements: $7,571,700

## Zoning

R6B: floor area ratio 0.87 built, 2.00 allowed by base zoning.

## Flood zone

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

## Landmarks

Part of Fort Greene Historic District (Historic District).

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