While the majority of the film is set in Santa Barbara, California, most of the filming – including nearly all of the interiors – took place in New York City. Principal photography began on February 18, 2009 at the Broadway Stages in the Brooklyn borough, where the interior scenes of Jane's house were shot.

Where is the house in the movie It's Complicated located?

Stalk It: Jane's house from “It's Complicated” is located at 714 W. Potrero Rd. in Thousand Oaks' Hidden Valley neighborhood.

What hotel was it's complicated filmed in?

The Jumeirah Essex House, formerly known as the Essex House, is a luxury hotel located on Central Park South in Manhattan.