Forest Avenue Capital Leases 7,145 SF at Park 53, 45 East 53rd Street

Key facts

Address

45 East 53rd Street (Park 53), Midtown Manhattan

Building

19-story boutique office property

Total leased

19,145 square feet across three leases on three floors

Largest lease

Forest Avenue Capital, 7,145 square feet on the 7th floor, moving from 9 West 57th Street

Other leases

Ancient Financial, 6,000 square feet on the 14th floor; Curbline Properties, 6,000 square feet on the 13th floor

Owners

ZG Capital Partners and Rialto Capital Management

Asking rents

$140 to $165 per square foot in the building, per JLL

Date reported

11/10/2026, Commercial Observer

What it means

The highlights

1. Park 53 signed three new leases totaling 19,145 square feet across three floors.
2. Ancient Financial and Curbline Properties each took 6,000 square feet.
3. JLL says asking rents in the building range from $140 to $165 per square foot.

Why it matters Landlords

Shows steady demand for smaller Midtown office space, with little direct effect on residential landlords or voucher holders.

Not known yet

• The actual rents agreed in each lease
• How long each lease runs
• When each tenant will move in
• Whether any concessions such as free rent were included

Background

In New York City, commercial office rents are usually quoted as an annual price per square foot. Commercial leases are negotiated between the parties and are not covered by rent stabilization. That system applies only to certain residential apartments.

Buildings in this story

• 520 Fifth Avenue · building facts and open city records
• 9 West 57th Street · building facts and open city records
• 320 Park Avenue · building facts and open city records