Can I write off my phone bill if clients text me sometimes?

Yes — if your phone is used for both business and personal reasons, you can usually deduct only the business-use portion of the bill, not the whole thing.

If you’re self-employed, you can generally deduct the part of your phone costs that’s attributable to business use. The important part is to use a reasonable, well-documented allocation. For example, if some calls, texts, or data are for clients and the rest are personal, you’d deduct the business percentage. Keep records such as phone bills, a simple log of business calls/texts, or notes showing how you estimated the split. If you have a separate line or device used exclusively for business, that cost may be fully deductible.

If you’re a W-2 employee, the tax treatment depends on the tax year and where you file. Federal rules have changed over time, and some states may have different rules or allow certain employee-related deductions or reimbursements. If your employer requires you to use your personal phone for work, check whether you can be reimbursed and whether your state has any special rules.

Practical rule of thumb:

• Business use only: potentially deductible
• Mixed personal/business use: usually only the business portion is deductible
• Entirely personal phone: not deductible