It depends on how your properties are owned. If each property is in its own LLC, yes, keep separate bank accounts. If everything is under one entity or your personal name, a single operating account with proper bookkeeping usually works fine.

The legal angle matters most. When you form separate LLCs to protect yourself from liability, you need to actually keep them separate. That means each LLC has its own bank account, its own income deposits, its own expense payments. Commingling funds between LLCs can pierce the liability protection you set up the LLC to create. A tenant lawsuit on one property could reach your other properties if you’ve been treating all the accounts as one pot of money.

When properties share an entity structure, separate accounts become optional. Your accounting software can track income and expenses by property using classes or projects. A single bank account feeding into QuickBooks with proper categorization gives you property-level profit and loss statements without juggling multiple banking relationships. This is how many real estate investors handle their books when they have three, five, or ten properties under one LLC.

The practical downsides of too many accounts add up. Monthly fees across multiple accounts cost money. Minimum balance requirements tie up cash. More accounts means more reconciliations every month, more logins to manage, and more transfers creating additional transactions to track. None of this is impossible to handle, but it adds friction.

A reasonable middle ground for most investors in Northern New Mexico looks like this: one operating account for rental income and day-to-day expenses, and one reserve account for capital expenditures and emergencies. Some landlords add a third account for security deposits to keep them mentally separate, though New Mexico doesn’t require security deposits to be held in a segregated account.

The key insight is that good bookkeeping solves the tracking problem that separate accounts are trying to solve. If you’re working with a QuickBooks bookkeeper in Santa Fe and every transaction gets coded to the correct property, you get clear property-level financials without the banking complexity. You can see which properties are profitable, which ones are eating cash, and where your money is going.

The exception is always the legal structure. Separate LLCs need separate accounts regardless of how good your bookkeeping is. No amount of accounting accuracy protects you if you’ve undermined the legal separation between entities.