How long is "[short trench]" specifically? You may be able to find a third party contractor that can run the trunk cheaper, but it will vary by city/state. If

How long is "[short trench]" specifically? You may be able to find a third party contractor that can run the trunk cheaper, but it will vary by city/state. If it's even a mile in a city, $20k is probably about right. If it's a block with no intersections, it may be overpriced... that will really vary a lot.