Shown (from left) are: Brick&Mortar creative director, Marc Schaad; co-founder and principal broker, Rolan Sereny; CEO and co-founder, Peter Sereny.

Attendees gather at the Williamsburg office of Brick&Mortar to celebrate the grand opening of the residential brokerage firm.

Guests enjoyed signature cocktails called "The Brick," "The Mortar" and "The Closing," poured by Civetta mixologist, Drew Z.