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Is there a tax deduction for renting office space in service of employer?
If you are a telecommuter and in good terms with your employer, then all you need is contact your employer and explain your situation. Ask them for a short letter that indicates: "1. they require you to work from a privately rented office (or from a home office for those who prefer working from home), 2. this is one of the terms of your employment, and, 3. they will not reimburse you for this expense." With this letter in your hand, you satisify both the "convenience of employer" test AND the deduction of the rent for your private office as a unreimbursed employee expense.  The IRS cannot expect your employer to open an office branch in your city just for your sake, nor can they expect you to commute to your employer's city for work, which is an impossiblity considering the distance. Additionally, the IRS cannot "force" telecommuters to work from home. The key is to get a letter from your employer. You'd be surprised how easily they are willing to write such letter for you.