Louisville: Thank you for contacting Porch. If the columns are structural a licensed contractor most likely should be retained. Even if decorative there is potential for damage so we would recommend a licensed contractor regardless. You can check with your local building and safety department as well to inquire and ask about what permits might be required. Call us at at 855-494-5972 or 800-604-2454 and we’ll be happy to help you locate a local professional to assist with your column replacement needs. Or you can use our online locater and input your zip code here: https://porch.com/near-me/remodeling-contractors or https://porch.com/near-me/handyman