307 7th Avenue, Manhattan
Commercial · built c. 1926 · Block 803, Lot 4.
Building permits
- Alteration, filed Aug 7, 2026, estimated cost $73K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 9TH fl (suite 905) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Jul 30, 2026, estimated cost $191K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 11TH floor (suite 1104/1107) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Jul 29, 2026, estimated cost $274K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 17TH fl (suite 1701) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Mar 17, 2026, estimated cost $126K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 10TH fl (suite 1007) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Mar 12, 2025, estimated cost $74K, described as “Replacement of 4 rooftop HVAC units with a total capacity of 21 tons on the 3RD and 2ND floor setback roofs. No change to egress, use, or occupancy.”
- Alteration, filed Sep 27, 2024, estimated cost $28K, described as “Replacement of 4 ton condensing unit on floor 002 roof. No change to egress, use, or occupancy.”
- Alteration, filed Sep 27, 2024, estimated cost $18K, described as “Replacement of split ssytem on floor 006 and 2ND floor roof with a total capacity of 2.5 tons. No change to egress, use, or occupancy.”
- Alteration, filed Sep 27, 2024, estimated cost $49K, described as “Replacement of split system on floor 010 with a total capacity of 14 tons. No change to egress, use, or occupancy.”
- Alteration, filed Feb 28, 2024, estimated cost $89K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 6TH floor (suite 607) as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Dec 26, 2023, estimated cost $58K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 14TH floor (suite 1407) as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Dec 26, 2023, estimated cost $49K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 10TH floor (suite 1004) as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Nov 2, 2023, estimated cost $163K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 16TH floor (suite 1601) as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Sep 6, 2023, estimated cost $66K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 15TH floor (suite 1507) as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Aug 23, 2023, estimated cost $71K, described as “Application filed for interior/exterior renovation of non-load bearing partitions, ceilings and finishes in existing lobby as per plans filed herewith. No change in use, egress or occupancy.”
- Alteration, filed Jun 14, 2023, estimated cost $54K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 8TH floor (suite 807) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Mar 8, 2023, estimated cost $21K, described as “Application field for plumbing modifications/additions on the 12TH fl (suite 1201) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Feb 6, 2023, estimated cost $90K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 12TH fl (suite 1201) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Feb 3, 2023, estimated cost $353K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 2ND fl (suite 201/203) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Jan 30, 2023, estimated cost $77K, described as “Replacement of 4 condensing units on the roof and 2ND floor roof with a total capacity of 22 tons. No change to egress, use, or occupancy.”
- Alteration, filed Dec 15, 2022, estimated cost $40K, described as “Application filed for mechanical modifications/additions on the 22ND fl (suite 2201) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Dec 15, 2022, estimated cost $39K, described as “Application filed for plumbing/sprinkler modifications/additions on the 22ND fl (suite 2201) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Dec 8, 2022, estimated cost $152K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 22ND fl (suite 2201) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Jul 26, 2022, estimated cost $59K, described as “Application filed for interior renovation of non-load bearing partitions, ceilings, and finishes on the 3RD fl (suite 303) as per plans filed herewith. No change in use,egress, or occupancy.”
- Alteration, filed Jul 21, 2022, estimated cost $27K, described as “Application filed for mechanical modifications/additions on the 14TH floor (suite 1401) as per plans filed herewith. No change in use, egress, or occupancy.”
- Alteration, filed Jul 21, 2022, estimated cost $39K, described as “Application filed for plumbing/sprinkler modifications/additions on the 14TH floor (suite 1401) as per plans filed herewith. No change in use, egress, or occupancy.”
28 more, older permits are in this building’s full list on the map.
Property taxes
- Assessment
- $16,101,900
- 2026–27 tax
- $1,499,657
- Market value (city estimate)
- $35,782,000
- Taxable value
- $13,824,270
- Assessed land
- $1,575,000
- Assessed improvements
- $14,526,900
Zoning
M1-8A/R11: floor area ratio 19.33 built, above the 12.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Oct 17, 2019: $115,000,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Board and land use applications
- Midtown South Mixed-Use Plan (MSMX) (City Planning 2024M0142): Zoning map change, Zoning text change, Completed, filed Jan 16, 2025, decided Aug 14, 2025. The Department of City Planning is seeking a Zoning Map amendment from M1-6 and M1-6D to M1-9A/R12, M1-8A/R12, and M1-8A/R11 and a Zoning Text amendment to facilitate the development of housing and support critical economic activity across…