Much of San Antonio and the Texas Hill Country sits on rock. Most of the time that is no problem, but when the ground is very hard, it can change how a job is done and what it costs. Here is what to expect.
Digging in rock costs more
Posts for carports, patio covers and awnings are set in holes in the ground. If we have to dig through rock to make those holes, the price increases per hole. Rock takes much more time and effort to dig than normal soil.
Sometimes a boring service is needed
In some cases, ordinary digging will not get through. When that happens, we may need to bring in a boring service to make the holes for the posts. The boring service is an added cost for the project, and we will include it in your quote when we know it is needed.
Where rock is common
Rocky ground is common on the north side of San Antonio and in the Hill Country, including areas such as Stone Oak, Boerne and Canyon Lake. It can also show up in other neighborhoods, sometimes only a few inches below the surface.
How to know if you have rock
- Ask neighbors whether they hit rock when building fences or planting trees
- Notice whether the yard has exposed stone or very thin soil
- Let us know about previous projects that needed to dig, such as fence posts
We often cannot tell for sure until digging starts, so we plan for the most likely case and tell you about any added charges as soon as we know.
What to tell us
- Your neighborhood or city
- Any known rock, caliche or hard ground on your property
- Photos of the planned location, if you have them
Questions? Request a free quote or text 210-913-3443. See the full pricing guide or more pricing questions and answers.