There are a huge number of factors at play that impact the answer to this question. The short version is that quality paint carefully applied can last 7-10 years or longer, depending on environmental conditions. Here’s how you can you get the longest possible life out of your exterior paint: Invest in excellent paint products Choose a trustworthy painting company to do the job right Never skimp on surface preparation Choose paint colors approved for exterior surfaces Inspect surfaces that get more environmental exposure and maintain more often