# 41 Flatbush Ave, Brooklyn

Office condominium · built c. 1920 · Block 2106, Lot 7504.

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On Umarelli: https://umarelli.org/nyc/3021067504/41-flatbush-ave

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

Every lot on block 2106: https://umarelli.org/nyc/brooklyn/2106.md

## Building permits

- Alteration, filed Mar 25, 2026, estimated cost $8K, described as “Modification of an existing sprinkler system on the first floor at apple store as per plnas submitted herewith, no change in use, egress or occupancy group.”
- Alteration, filed Jan 20, 2026, estimated cost $25K, described as “Minor interior renovation work at an existing breakroom and office spaces. Scope to include partition work,”
- Alteration, filed Dec 18, 2025, estimated cost $75K, described as “Tenant fitout for first floor tenant kiro. No change to use, egress or occupancy under this application”
- Alteration, filed Nov 18, 2025, estimated cost $150K, described as “Interior renovation at existing 1st and 2nd floors as per plans filed herewith. No change to use, egress, or occupancy.”
- Alteration, filed Nov 7, 2025, estimated cost $25K, described as “Alt application for minor general construction commercial space buildout into a small coffee shop. No change in use egress or occupancy”
- Alteration, filed Nov 7, 2025, estimated cost $21K, described as “Alt application for minor plumbing work, for small commercial coffee shop buildout. No change in use, egress, or occupancy.”
- Alteration, filed Sep 10, 2025, estimated cost $40K, described as “Tenant fitout for first floor tenant brooklyn french baker. No change to use, egress or occupancy under this application”
- Alteration, filed Jul 24, 2025, estimated cost $10K, described as “Existing WSHP shall be used for air conditioning back of house, service area and customer area. New exhaust fans shall be provided in restroom, garbage area & back of house. All HVAC work shall be in accordance with drawings and…”
- Alteration, filed Jul 16, 2025, estimated cost $70K, described as “Interior build out of existing retail space with new non-loadbearing partitions, wall furring, millwork, finishes, and equipment to accommodate "SoBol". No change in egress, floor area, egress, or bulk under this application.”
- Alteration, filed Jun 24, 2025, estimated cost $80K, described as “Architectural filing for commercial tenant sobol fitout”
- Alteration, filed Sep 30, 2024, estimated cost $4K, described as “Installation of temporary roof protection as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jul 23, 2024, estimated cost $350K, described as “Tenant alterations to commercial interior.”
- Alteration, filed Jul 23, 2024, estimated cost $300K, described as “Tenant alterations to commercial interior. Existing base building supply air distribution system to remain.”
- Alteration, filed Jun 11, 2024, estimated cost $1.2M, described as “Interior demolition and renovation of 6TH floor non-load bearing partitions per tenant fit out. No change to use, egress or occupancy, mechanical, plumbing, sprinkler to be filed subsequently”
- Alteration, filed Mar 1, 2024, estimated cost $75K, described as “Interior demolition and renovation of 4TH floor non-load bearing partitions per tenant fit out. No change to use, egress or occupancy, mechanical, sprinkler to be filed subsequently”
- Alteration, filed Feb 26, 2024, described as “Installation of temporary pipe scaffold as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 21, 2024, described as “Application for the installation and use of suspended scaffold as per plans filed herein. No change in egress, use, or occupancy.”
- Alteration, filed Feb 8, 2024, described as “Installation of temporary sidewalk shed as per plans. No change in use, egress or occupancy.”
- Alteration, filed Feb 8, 2024, estimated cost $4K, described as “Installation of temporary storage of material as per plans. No change in use, egress or occupancy.”
- Alteration, filed Jan 24, 2024, estimated cost $642K, described as “Filing for ll fisp cycle 9A repairs includes brick masonry restore, terra cotta pinning & patch repairs, metal flashing install, stone restore, gfrc panel install, lintel restore/replacement, joint sealant replacement, masonry & terra…”
- Alteration, filed Mar 6, 2023, estimated cost $100K, described as “Interior demolition and renovation of 5TH floor non-load bearing partitions per tenant fit out. No change to use, egress or occupancy, mechanical, plumbing, sprinkler to be filed subsequently”
- Alteration, filed Apr 7, 2022, estimated cost $6K, described as “Proposed: removal and relocation of sprinkler heads on the 1st floor level. No change of use, egress or occupancy,”
- Alteration, filed Mar 17, 2022, estimated cost $8K, described as “Installation of a temporary sidewalk shed per plan submitted. Work shall comply with 2014 building codes chapter 33. No change in use, egress and/or occupancy with this application.”
- Alteration, filed Feb 10, 2022, estimated cost $50K, described as “#8496 - Minor structural modifications to existing Use Group 6 space. No change in egress, use, or occupancy.”
- Alteration, filed Feb 10, 2022, estimated cost $75K, described as “#8496 - Plumbing modifications to use group 6 space. No change in egress, use, or occupancy.”

15 more, older permits are in this building’s full list on the map: https://umarelli.org/nyc/3021067504/41-flatbush-ave.

## Property taxes

- Assessment: $20,958,784
- 2026–27 tax: $947,118
- Market value (city estimate): $46,575,073
- Taxable value: $19,073,948
- Assessed land: $1,144,801
- Assessed improvements: $19,813,983
- Condo units with their own tax lots: 5

## Zoning

C6-4: floor area ratio 9.71 built, 10.00 allowed by base zoning.

## Board and land use applications

- Proposed Extension of the Downtown Brooklyn BID (City Planning 2027K0210): Business improvement district, In Public Review, filed Oct 6, 2026. 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…

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