But when it works—when the down payment is acknowledged, the expenses are tracked, the exit is pre-negotiated, and the power is shared with grace—it is the most flexible, intelligent tool for two people with unequal resources to build equal peace of mind.
Partner B (the 40% owner) often argues: “I may own less, but I painted the walls. I fixed the leaky faucet. I waited for the plumber.”
Just remember: Love writes the check. Math cashes it. And the 40/60 condo is math, down to the very last penny. 40/60 condominium
Conversely, the 60% owner may cover the $12,000 special assessment for a new roof. Under standard Tenancy in Common (TIC) rules, that 60% owner just increased their stake to 62%, because they paid 100% of the assessment. The 40% owner now owes the 60% owner a proportional debt—unless the agreement says otherwise.
But owning 40% of a two-bedroom in a rising market is not just arithmetic. It is a psychological contract. And if you don’t write it down, the numbers will eventually write a tragedy. Why 60/40? Why not 70/30 or 51/49? But when it works—when the down payment is
J. Hartwell is a real estate journalist and recovering co-owner of a 35/65 duplex. He got the 35. He does not recommend it.
The successful 60/40 pairs create zones of absolute control. The 40% owner gets the primary bedroom. Or the parking spot. Or veto power over house guests. It is not about math. It is about dignity. I waited for the plumber
In a 40/60 condo, every single dollar spent on capital improvements must be tracked in a shared spreadsheet. If it isn’t logged, it’s a gift. Chapter Three: The Three Ways to Die (And How to Resuscitate) 1. The Breakup Unmarried couples love 60/40 splits. Then they stop loving each other. Suddenly, the 60% owner wants to stay; the 40% owner wants cash out.