400 Walnut Avenue, The Bronx
Industrial · built 1956 · Block 2599, Lot 89.
Building permits
- Alteration, filed Mar 12, 2026, estimated cost $1.5M, described as “Removal of existing roof done to roof deck and replace with new roof insulation and single ply membrane. Remove existing steel billboard and specified roof top units. All existing roof top mechanical units will get new curbing /…”
- Alteration, filed Jan 14, 2026, estimated cost $64K, described as “Replacing 20-ton roof top unit like for like”
- Alteration, filed May 23, 2023, estimated cost $5K, described as “Structural work to install a new PCU unit on the roof as per plans filed herewith. No change of use, egress or occupancy.”
- Alteration, filed May 23, 2023, estimated cost $25K, described as “Modification of an existing system to Install Exhaust Fan Equipment & Ductwork to Connect to Grill Exhaust. As per plans filed herewith. no change to use occupancy or egress.”
- Alteration, filed May 23, 2023, estimated cost $15K, described as “Installation of new gas line, removal of two grills in the kitchen,with one new one being added. Installation of one gas fired (HVAC) roof top unit & one electric roof top unit on the roof. As per plans filed herewith. No change to use,…”
- Alteration, filed Oct 26, 2022, estimated cost $8K, described as “Genral construction for the installation of new chiller on steel dunnage; new roof hatch and electrical service; no change in egress use or occupancy.”
- Alteration, filed Oct 26, 2022, estimated cost $20K, described as “Minor Structural Modifications for the Installation of a new rooftop, air cooled, refrigeration system. The system will provide chilled glycol to existing cooler units in the existing facility. No change to use, occupancy or egress.”
- Alteration, filed Oct 26, 2022, estimated cost $150K, described as “Installation of a new rooftop, air cooled, refrigeration system. The system will provide chilled glycol to existing cooler units in the existing facility. As per plans filed herewith. No change to use occupancy or egress.”
Property taxes
- Assessment
- $6,152,400
- 2026–27 tax
- $547,071
- Market value (city estimate)
- $13,672,000
- Taxable value
- $5,043,060
- Assessed land
- $3,191,850
- Assessed improvements
- $2,960,550
Zoning
M3-1: floor area ratio 0.49 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 14 ft (NGVD29).