Yes, many Houston homeowners can install a French drain themselves if the job is simple, the yard slopes naturally, and local regulations do not require a permit or utility locate.
In Houston Texas and surrounding areas, this is often appropriate for surface water problems in the yard. A French drain is primarily a digging and grading job, but it still requires planning, labor, and the appropriate slope to move water away from the home. DIY can be effective for shallow drainage around patios, walkways, and low spots in the yard.
For larger drainage problems, a professional is often the safer choice. If the area is rocky, cramped, or near utilities, the job becomes much more difficult and dangerous.