The rental-business share can be deductible. A reasonable allocation is required when the same connection serves personal use, employment, or another business.
The expense-specific result is below. The shared BAR test, de minimis safe-harbor rule, and source guide live on the deductions hub so they are not repeated on every expense page.
A worked classification for internet service
A landlord pays $960 for home internet and supports 20% rental use, for a $192 current expense. A separate $4,500 wired network installed throughout an apartment building is capitalized based on its system classification.
Records that support this treatment
Keep bills, a written allocation method, usage sample, dedicated-service contracts, equipment invoices, installation scope, and in-service date.
Keep the invoice, the decision, and the Schedule E placement together. The broader rental property deductions guide and the Schedule E walkthrough cover the full return.
This is general information for organizing rental records, not tax advice. Elections, entity structure, mixed use, and the exact unit of property can change the answer. Bring the invoice and the underlying facts to a CPA before filing.