"I'll sort it out at tax time" is how landlords end up with a shoebox of receipts and a stressful April. Tracking income and expenses as they happen, by property, is far less painful and far more useful than reconstructing a year of transactions after the fact.

Separate Finances by Property, Not Just Overall

If you own more than one property, a dedicated bank account per property (or at minimum, careful categorization within accounting software) lets you actually see which properties are profitable and which are quietly draining money. Combined finances make this invisible until it's a real problem.

What to Track on the Income Side

  • Rent payments, with dates and any late fees applied
  • Security deposits received (tracked separately, since these aren't income until they're actually retained)
  • Any additional fees — pet fees, parking, late fees

What to Track on the Expense Side

  • Mortgage interest (not principal, which isn't deductible)
  • Property taxes and insurance
  • Repairs and maintenance, categorized by type
  • Property management fees or software subscriptions
  • Utilities you cover, if any
  • Mileage for property-related trips

Keep the Receipts, Digitally

A photo of every receipt, saved to a dedicated folder or uploaded directly into accounting software as it happens, beats trying to remember or find a paper receipt months later. Most expense tracking apps let you snap a photo and categorize on the spot — it takes seconds and saves hours later.

Use Software Built for This, Not a Generic Spreadsheet

Tools like Stessa are built specifically for rental property tracking — automatically categorizing transactions, tracking by property, and generating the reports your accountant actually needs at tax time. A generic spreadsheet works, but it requires far more manual discipline to stay accurate.

Review Monthly, Not Just Annually

A quick monthly check catches categorization errors while you still remember the context, and gives you a running sense of each property's actual profitability instead of a single, stressful year-end surprise.