The first screen owes a parish list and a house type, not a slogan
A visitor is deciding whether you are relevant to them, and the fastest way to answer is to name their parish and their kind of house.
Put coverage in the first screen. Orleans, Jefferson and St. Tammany, with the neighborhoods and towns you actually dispatch to underneath: Uptown, Mid-City, Bywater, Gentilly, Lakeview, Algiers, Metairie, Kenner, and Mandeville, Covington or Slidell if you cross the lake. A visitor should never have to hunt for a service area page.
Name the housing too. A line saying you work raised houses and pier and beam access as well as slab does more qualifying than three paragraphs about your values. Owners of older houses have been told no before, and they are scanning for whether you are another no.
Give the phone number weight and make it tappable. A visible number in the header, repeated at the end of every section, is not inelegant. It is how this trade converts.
Cut the carousel. Rotating hero images are the single most common thing we remove from plumbing sites, because they slow the page down and nobody has ever read the second slide.