Question: how much does it cost to paint the interior of a house per square foot?
Answer: The average cost to paint the interior of a house falls between $1.50 and $3.50 per square foot. If you're doing the ceilings, walls and trim, the cost per square foot will likely fall between $3 and $4. If there is damage to the walls that needs to be repaired before painting can proceed, you'll pay extra.