Ben Affleck and Lindsay Shookus check out an $18.5 million property in the Santa Monica mountains as they hunt for first home together just three months after going public

They went public as a couple in July.

And Ben Affleck and Lindsay Shookus seem to be getting pretty serious after just three months in the limelight.

The 45-year-old actor was house hunting in the west side of Los Angeles on Tuesday as he brought along his 37-year-old girlfriend according to TMZ.