26,000 SF Lease at 245 Fifth Avenue in New York

Reported Oct 28, 2026 · Source: Commercial Observer

Source: Commercial ObserverRead the full report at Commercial Observer ↗

Deal details

Tenant
Not disclosed
Landlord
Moinian Group
Price
Not disclosed
Size
26K SF (two leases)
Asset class
Office
Transaction
Lease
Sub-market
Midtown South / Flatiron / Chelsea / SoHo
Metro
New York (incl. Long Island & NJ)
Reported date
Oct 28, 2026

Summary

Blacksmith Software, which provides support services to users of coding platform GitHub, leased 14,000 square feet, the entire seventh floor, of 245 Fifth Avenue, while AI-driven human resources firm Sona Technologies took all of the 12,000-square-foot 19th floor, according to the landlord. “245 Fifth Avenue continues to attract a diverse mix of businesses seeking high-quality office space in one of Manhattan’s most dynamic commercial neighborhoods,” Omar Sozkesen, vice president of commercial leasing for the Moinian Group, said in a statement. Source: Commercial Observer.

Summarized from the article; the quoted lines below are from the article itself.

Source: Commercial Observer

Read the full report at Commercial Observer. What the article says:

  • Deal
    Blacksmith Software, Sona Technologies Lease 26K SF at Moinian’s 245 Fifth Avenue
  • Deal
    Blacksmith Software, which provides support services to users of coding platform GitHub, leased 14,000 square feet, the entire seventh floor, of 245 Fifth Avenue, while AI-driven human resources firm Sona Technologies took all of the 12,000-square-foot 19th floor, according to the landlord.
  • Landlord
    “245 Fifth Avenue continues to attract a diverse mix of businesses seeking high-quality office space in one of Manhattan’s most dynamic commercial neighborhoods,” Omar Sozkesen, vice president of commercial leasing for the Moinian Group, said in a statement.

Article date: 2026-10-28T15:33:55-04:00

Frequently asked questions

How much space was leased at 245 Fifth Avenue?
26K SF (two leases), as reported by Commercial Observer.
Who is the landlord at 245 Fifth Avenue?
The landlord is Moinian Group, per Commercial Observer.

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Compiled from public sources; details can differ between sources. Always verify with the linked source.