Construction watch: 356 E. Eighth St.

The townhouse at 356 E. Eighth St. between Avenue C and Avenue D had been on and off the market in recent years (here and here).

The listing pitched the space for "high-end apartments or a luxury home."

Now it appears the new owner — an LLC that shares the address with M Development in Queens — opted for the apartment route. Recently approved work permits show that the existing 4-level structure will receive two new floors and a mezzanine.

Here's the all-cap DOBese:

FILED HEREWITH PLANS AND APPLICATIONS TO ADD A SIX STORY HORIZONTAL REAR ENLARGEMENT AND A THREE STORY + MEZZANINE VERTICAL ENLARGEMENT WITH SIX FAMILIES TO AN EXISTING FOUR STORY, THREE FAMILY BUILDING.

And here's a look at the rendering on the plywood…