Permit requirements for rain gutter replacement vary depending on local building codes and regulations. It's advisable to consult with a professional gutter contractor or check with your local authorities to ensure compliance with any necessary permits or approvals. If you choose to attempt to replace your rain gutters yourself, you may end up with much bigger expenses down the road. By investing in professional rain gutter installation, you can ensure it is done the right way, the first time, and that everything will be installed according to local code.