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Bexar County · TX

Water damage help in San Antonio, TX

San Antonio sits at the edge of the Hill Country in one of the most flash-flood-prone regions in the country. Add slab foundations on shifting clay and the occasional hard freeze, and you have the city's main causes of water damage.
  • Areas: Alamo Heights, Stone Oak, Southtown, the Northwest Side
  • 83 ZIP codes covered
  • Free referral, no obligation
Suburban house with a flooded yard after heavy rain
Stock photo

Homes in San Antonio and how they leak

Most homes are slab-on-grade, from mid-century ranches inside Loop 410 to large newer subdivisions on the North Side. Older neighborhoods near downtown have pier-and-beam houses. Water heaters and air handlers are often in the attic or garage.

Local issues that cause water damage

Flash flooding

Storms stall over the Balcones Escarpment and send water down creeks and low-water crossings within minutes. See flood cleanup.

Slab leaks

Clay soil swells and shrinks with rain and drought, stressing pipes under the slab.

Freeze bursts

The February 2021 winter storm split pipes in attics and exterior walls across the city.

Common calls in San Antonio

Also available: emergency water damage steps and all water damage services.

San Antonio at a glance

State
Texas
County or area
Bexar County
Neighborhoods
Alamo Heights, Stone Oak, Southtown, the Northwest Side, the South Side
ZIP codes covered
83 ZIP codes. Use the ZIP checker below to confirm yours.
Who does the work
Independent local restoration companies

Questions from San Antonio homeowners

Why are slab leaks common in San Antonio?

The clay soil moves a lot between wet and dry spells, and hard water is tough on copper. Hot water lines under the slab usually fail first.

Is flash flood damage covered by homeowners insurance?

No. Water that rises or flows in from outside is flood damage and needs a flood policy.

Other cities we cover

See how Texas's weather, housing and rules affect water damage on the Texas page.

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