Isolating the water
The supply gets shut off at the fixture valve, the house valve or the meter before anything else. Until that is done, extraction is just keeping pace with the leak.
A split supply line can put out more water in an hour than most people expect, and a slow leak behind a wall does its damage quietly for months. San Antonio Water Damage Repair cleans up both in San Antonio: extraction, drying and the repairs to the finishes afterward.
Two local patterns cause a lot of these calls. The February 2021 freeze split lines all over South Texas, including in attics and exterior walls that were never insulated for it. And inside Loop 410, older houses still have stretches of galvanized pipe that decades of very hard Edwards Aquifer water have narrowed and corroded from the inside.

San Antonio Water Damage Repair handles the water damage side of a pipe failure. The plumbing repair itself is separate work, and the quote makes clear which part is which.
The supply gets shut off at the fixture valve, the house valve or the meter before anything else. Until that is done, extraction is just keeping pace with the leak.
The wet spot you can see is rarely the whole picture. Water from an attic line can run along a top plate and come down a wall two rooms away, so the survey follows the water, not the stain.
Standing water is pumped and extracted, then air movers and dehumidifiers run on the affected assemblies until readings reach the dry target for the building.
Drywall, texture, paint, baseboards and flooring that had to come out are repaired or replaced so the room is finished, not just dry.
Clean supply water caught quickly is the best case in this business. Solid wood, tile on a slab, plaster and framing usually dry and stay. Carpet is often saved once the pad under it is taken out. Drywall that is stained but still firm often dries in place. What rarely survives is anything with a paper or particle-board core that swelled, and fiberglass insulation in a wall cavity that stayed wet.
The longer the leak ran, the less of that holds true. A pinhole that has been dripping inside a wall for months is not really a water extraction job at all — by then it is a removal and mold question.
Read the dry and restore versus replace guide for how those calls are made, see structural drying for the equipment stage, and the signs of hidden water damage if you think something has been leaking a while. We cover Alamo Heights and the rest of the San Antonio service area.
For most properties it is at the meter box set in the parkway between the sidewalk and the street, and it needs a meter key to turn. Many houses also have a valve where the supply enters the building, often near the water heater or on an exterior wall. Find yours before you need it and check that it actually turns — a seized valve during an emergency is a second problem.
The plumbing repair and the water damage restoration are two different trades, and the quote separates them. San Antonio Water Damage Repair will tell you plainly which parts of the work are the restoration scope so you know what still needs arranging. The priority on the first visit is stopping the flow and getting the water out.
How long the water ran, how many rooms it reached, what materials it soaked and how much drying equipment the job needs. A contained leak found within an hour is a much smaller scope than one that ran overnight through a two-story house. You get the price before the work starts.
Houses in this part of Texas are not built for hard freezes, so supply lines often run through attics, uninsulated exterior walls and unprotected hose bibs. Water expands as it freezes and splits the line, but you usually see nothing until it thaws and the water starts flowing. February 2021 made that very clear across the San Antonio area. See emergency water extraction if it has already happened.
Tell us where the water is and whether it is still coming in, and we will plan the call around it.