We don't quote a number sight unseen, and this page won't invent one either. What we can tell you is what drives the cost on a Mount Vernon job specifically. Median household income here runs about $106,356, well above the $95,000 median across the rest of the service area, and in practice that shows up in the choices owners make - more requests for insulated steel panels and smart openers, fewer requests for the bare-bones single-layer door that was standard when the house was built. The door itself, the insulation level, and whether the opener needs replacing too are the three line items that move the price the most. Track and header condition on a house this age can add a line item if the original hardware doesn't match modern spring tension. If you want a real number, that comes from someone standing in your driveway looking at the actual opening, not from a page like this one.