Is it cheaper to rent after retirement?

It depends on your finances, timing, and what you want from the home. Renting may lower maintenance responsibility but is not automatically cheaper. Compare rent increases, taxes, insurance, HOA dues, repairs, transaction costs and how long you expect to stay.
Use the future housing budget—not the old working budget
Calculate the full monthly housing cost after retirement, including the mortgage, property taxes, insurance, HOA dues, utilities, maintenance, and expected repairs. Compare that amount with reliable retirement income and the cash reserves that should remain available. A decision that releases equity or lowers maintenance can still create a higher payment if the replacement home, financing, taxes, or HOA costs are greater.
Stress-test the monthly cost
Compare the payment with retirement income under several conditions, including higher insurance, property taxes, HOA dues, repairs, and healthcare costs. Keeping a mortgage is not automatically good or bad; the important questions are whether the payment is sustainable, what cash would be used to pay it off, and how much flexibility remains afterward.
Compare control, flexibility, and long-term cost
Renting can transfer many repair responsibilities and make relocation easier, but rent may rise and the lease controls how long the home remains available. Ownership offers more control and potential equity but retains repair, tax, insurance, and selling responsibilities. Compare realistic local rentals and homes over the period you expect to stay.

