Blesso Properties LLC is converting a vacant 8-story warehouse at 138-140 West 124th Street in Harlem and adding four floors to it to create a 12-story residential condominium building with 21 units.

Scarano & Associates is the architect.

Marketing has just begun for the project, which is known as Loft 124.

The building is between Adam Clayton Powell Boulevard and Lenox Avenue. It was erected around 1908 as a warehouse for the Koch Department Store on 125th Street and it has many ceilings with curved vaults and exposed brick walls.

The building will have two common roof decks, private storage, a bicycle room, a fitness center, a yoga studio, part-time door staff "complemented by Cyber Doorman technology.

Apartments have remote-controlled gas fireplaces, key-accessed elevator entry and laundry rooms and many of the apartments have balconies.

Italian Pessina kitchens have white cabinetry and Vagli marble countertops, 6-burner Viking ranges, Viking dishwashers, Sub-Zero refrigerators, wine storage and most kitchens are windowed.

Bathrooms have walnut cabinetry, a Duravit soaking tub, Toto toilets and marble floors and Bisazza tile accents.

A two-bedroom, two-and-a-half bath unit with 1,952 square feet and a 45-square-foot balcony on the sixth floor is priced at $1,850,000. It has ceiling heights of almost 11 feet and a living/dining area that measures 19-feet-7-inches by 22-feet-6-inches.

Many of the apartments on the upper floors have impressive views.

Matthew Blesso, a principal of Blesso Properties, converted the building at 142 West 10th Street and was previously in the real estate finance department of BHF (USA) Capital Group, (now PB Capital), a German bank.

Chinatrust Bank USA providing $13.7 million financing for the project.