# 100 Flatbush Avenue, Brooklyn

Condominium · 441 units · built 2021 · Block 174, Lot 7502.

On Umarelli: https://umarelli.org/nyc/3001747502/100-flatbush-avenue

More construction in Downtown Brooklyn: https://umarelli.org/nyc/brooklyn/downtown-brooklyn.md

## Building permits

- No Work, filed Dec 4, 2025, described as “The branch soft opening is to allow stock and training. Limited customers will be allowed to assist with training tellers. A fire watch guard will be stationed in the lobby.”
- No Work, filed Nov 7, 2025, described as “The branch soft opening is to allow stock and training. Limited customers will be allowed to assist with training tellers. A fire watch guard will be stationed in the lobby.”
- Alteration, filed Jul 10, 2025, estimated cost $12K, described as “Install Chase sign.”
- Alteration, filed Apr 10, 2025, estimated cost $900K, described as “Tenant fit out for Chase Bank. No changes to use, egress or occupancy.”
- Alteration, filed Jan 2, 2024, estimated cost $1K, described as “Temporary Use Permit for a sales office, including model units pursuant to section AC 28-111 & BB 2010-002. Filed in conjunction with NB # 321595145 & SP/SD #B00577563.”
- Alteration, filed Nov 15, 2023, estimated cost $1K, described as “Installation of temporary personnel/material construction hoist for worker access & FDNY readiness during construction. Pmh shall comply with nycc 2022 chapter 33 bc. No change in egress, use, or occupancy.”
- Alteration, filed Nov 10, 2023, estimated cost $1K, described as “Installation of day tank on 13th floor of New Building #321595145. Fuel oil tank and generator filed separately.”
- Alteration, filed Jul 11, 2023, estimated cost $1K, described as “Application for the installation and use of a mini-crane as per plans filed herein. No change in egress, use, or occupancy.”
- Alteration, filed Apr 25, 2023, estimated cost $1K, described as “Installation and use of telehandler as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Jan 4, 2023, estimated cost $1K, described as “Installation of fuel storage tank in subcellar of New Building #321595145.”
- Alteration, filed Dec 21, 2022, estimated cost $1K, described as “Installation of boilers in conjunction with construction of New Building #321595145.”
- Alteration, filed Dec 2, 2022, estimated cost $1K, described as “Application for the installation and operation of monorail system and suspended scaffold system. No change in egress, use, or occupancy.”
- Alteration, filed Sep 23, 2022, estimated cost $240K, described as “Installation of temporary suspended scaffold per drawings. Suspended scaffold shall comply with ch 33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Sep 14, 2022, estimated cost $627K, described as “Installation of temporary pipe scaffold as per drawings. Scaffold shall comply with ch #33 of the NYC bc. No change in use, occupancy or egress under this application.”
- Alteration, filed Sep 9, 2022, estimated cost $1K, described as “Installation and use of temporary mobile equipment as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Jul 14, 2022, estimated cost $10K, described as “Installation of temporary Roof Cantilever overhead protection in Conjunction with NB 321595145. This application involves no change in use, occupancy, or egress.”
- Alteration, filed May 3, 2022, estimated cost $1K, described as “Installation and use of temporary mobile equipment as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed May 3, 2022, estimated cost $1K, described as “Installation and use of temporary mobile equipment as per plans filed herewith. No change to use, egress or occupancy.”
- Alteration, filed Apr 14, 2022, estimated cost $20K, described as “Installation of two dual personnel/material hoists for worker access during construction. Both dual p/m hoists shall comply with nycc 2014 chapter 33 . No change in egress, use, or occupancy.”
- Alteration, filed Apr 13, 2022, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Mar 29, 2022, estimated cost $1K, described as “Application for material platform filed herein. No change in egress, use, or occupancy.”
- Alteration, filed Mar 9, 2022, estimated cost $1K, described as “Installation and use of concrete placing boom as per plan filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Mar 2, 2022, estimated cost $1K, described as “Alternate protection cocoon system as per plans filed herewith. No change to use, egress or occupancy under this application.”
- Alteration, filed Mar 1, 2022, estimated cost $1K, described as “Installation and use of temporary interior climbing platforms as per plan filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Oct 18, 2021, estimated cost $1K, described as “Installation of sprinkler and standpipe systems in conjunction with NB #321595145.”

15 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/3001747502/100-flatbush-avenue.

## Property taxes

- Assessment: $60,327,900
- 2026–27 tax: $27,725
- Market value (city estimate): $134,062,000
- Taxable value: $227,125
- Assessed land: $544,950
- Assessed improvements: $59,782,950
- Condo units with their own tax lots: 3

## Tax breaks

- 421-a exemption, through Jun 30, 2060, about $3,312,571 a year below the full tax.

## Zoning

C6-9: floor area ratio 25.40 built, above the 15.00 base zoning allows, which bonuses, transfers or older rules can permit.

## Flood zone

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

## Board and land use applications

- Proposed Extension of the Downtown Brooklyn BID (City Planning 2027K0210): Business improvement district, In Public Review. An action to facilitate a merger of 2 Business Improvement Districts (BID) and 1 Special Assessment District (SAD). The merger of the MetroTech Area BID, Court-Livingston-Schermerhorn BID and Fulton Mall SAD in Downtown Brooklyn, Community…

## In the news

[Alloy Development Secures $290 Million for 505 State Street in Downtown Brooklyn](https://newyorkyimby.com/2024/12/alloy-development-secures-290-million-for-505-state-street-in-downtown-brooklyn.html), New York YIMBY, Dec 23, 2024.

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