Rent vs buy: finding your break-even year

Why the monthly payment comparison misleads

The CFPB's homebuying guide points out that when you rent, the landlord carries the risk of repairs and falling values; when you buy, you do. A fair comparison has to include those costs. It also has to account for the fact that each payment is split between interest and principal. The CFPB explains that early in a loan most of the payment goes to interest, and only the principal part builds equity. So the money you get back depends on how long you hold the loan.

On the owning side, the costs are:

• Getting in: the down payment (which you mostly recover as equity) and closing costs (which you do not).
• Staying: principal and interest, property tax, homeowner's insurance, mortgage insurance if you put down less than 20%, HOA dues, and repairs.
• Getting out: selling costs such as agent compensation, transfer taxes and the seller's closing fees.

On the renting side, the costs are rent and renter's insurance, with rent rising at each renewal. Utilities often differ too; add them on whichever side they apply.

How the break-even calculation works

The calculator below adds up, year by year, everything you would spend on each path. For owning, it then subtracts the equity you would walk away with if you sold that year: the home's value minus selling costs minus the loan balance still owed. The first year in which owning, net of that equity, costs less than the rent you would have paid is the break-even year.

It deliberately leaves two things out. It does not count income tax effects, because most first-time buyers now take the standard deduction. And it does not count what your down payment might have earned if you had invested it instead, which would push the break-even year later.

The assumption that moves everything

The single most powerful input is what happens to home values. The CFPB warns that rent-or-buy calculators "necessarily make assumptions about future economic conditions, such as the rate of home price growth," and suggests trying several scenarios. The chart above reruns the same example with only that input changed. With 4% yearly growth, buying wins in year 4. With values flat, it takes 15 years.

Nobody can tell you what your local market will do. The safest habit is to run a flat-value case alongside your best guess. If buying only wins under optimistic growth, the decision rests on a bet rather than on arithmetic.

Rent growth matters in the same way. If your rent has been rising faster than 3% a year, use your real figure. If a cheaper rental is a realistic option, compare against that instead: in the example, cutting rent to $1,700 pushes break-even from year 5 to year 8.

What shortens or stretches the break-even period

Factors that bring the break-even year closer:

• Lower closing costs, including seller credits toward them.
• A lower interest rate, which means more of each payment goes to principal.
• High or fast-rising rent in your area.
• Lower property tax, insurance or HOA dues on the home.

Factors that push it further out:

• High transfer taxes or selling costs where you live.
• Large repair needs, which the CFPB notes owners must pay for right away.
• Mortgage insurance that runs for years on a small down payment.
• A home bought at the top of your budget, leaving little room for surprises.

Questions the numbers cannot answer

The CFPB lists situations where renting may be the better choice regardless of the arithmetic: if your employment is short-term or unstable, or if there is a chance you will move within the next few years. Renters have more flexibility to relocate for a job or family reasons without the cost and delay of selling.

There are also reasons people buy even when break-even is far away, such as control over the home, stable housing costs with a fixed-rate loan, or a school district they want. Those are real benefits, but they are choices about how you want to live, not savings. Be clear with yourself about which one you are buying.

Running the comparison well

Use real inputs wherever you can. A lender can give you a Loan Estimate with closing costs, the rate and mortgage insurance. The county assessor or tax collector can tell you the property tax on a specific address. An insurance agent can quote a premium. For upkeep, a set-aside you can sustain is better than a rule of thumb you will ignore.

Then compare the break-even year with an honest estimate of how long you will stay. If your answer is "at least ten years" and break-even is five, the case for buying is strong under almost any value assumption. If you might move in three years and break-even is five, the numbers favor renting a while longer, and the time can go toward a bigger down payment.

The bottom line

Buying beats renting only after you have stayed long enough to recover the cost of getting in and out. Put full owning costs on one side, rising rent on the other, subtract the equity you would keep, and find the year where the lines cross. Test it with flat home values, and compare the result with how long you really expect to stay.