Here is the full list of all 17 Hello Neighbor achievements. It takes around 15-20 hours to unlock all of the achievements on Windows.
Defeat your fear
Wrong time wrong place
Keep the Gold
Express checkout
I wish I had an electric car
You Should Check Her State
The crime levels have never been lower
Should have brought a swimming suit
Can't wait for the prom
Dont Leave Dummy On The Road
Three points!
Get a birthday present
How far can you see
Crouch In The Store. That Should Work.
Leap of Faith In the Closet
Learn to standup for yourself
I ain't 'fraid of no ghost