186 Montague Street

Owner: Jemstone Group

Debt: June 28, 2022, $11.1 million

Built: 1904

Renovated: 1965

SF: 19,200

Dwelling units: 0

No. of buildings: 1

Class: Office with Comm — 1 to 6 stories (O5)

Floors: 4

Transactions:

• Jemstone Group borrowed $11.1 million from Signature Bank for 186 Montague Street, Brooklyn Heights, Brooklyn on June 28, 2022.

Development:

• Michael Jemal filed plans for alteration in Brooklyn Heights, Brooklyn, on June 17, 2025.

• Joseph Jamel filed plans for major alteration in Brooklyn Heights, Brooklyn, on June 10, 2015.

• Joseph Jamel filed plans for major alteration in Brooklyn Heights, Brooklyn, on July 24, 2015.

• Samuel Jemal filed plans for alteration in Brooklyn Heights, Brooklyn, on June 10, 2016.

• Joseph Jemal filed plans for alteration in Brooklyn Heights, Brooklyn, on September 12, 2018.

Litigation:

• Jemstone Group and Joseph Jemal filed a $125,000 lawsuit 510448/2023 against Louis V. Greco Jr. on March 18, 2023,seeking a money judgment related to commercial leaseat 186 Montague Street.

Violations:

According to city public data, the properties have received $50 in OATH penalties in the last year.