How do i deduct the cost of maintaining an office as a W-2 employee?

[IRonMaN]

You don't.  At least not for federal.  Maybe your state is nicer to you and still allows it.

[qbteachmt]

@david21 

There is no need to ask the same topic twice:

https://proconnect.intuit.com/community/proconnect-tax-online-discussions/discussion/can-a-schedule-...

You have this running at that link with lots of help, so please stay in that one topic on the same subject. Thanks.