ZIP 78731 sewage backup — Austin, TX

What to do right now

1. If anyone is in danger, call 911.
2. Stay clear of electricity and standing water near outlets.
3. Keep children and pets away from affected areas.
4. Photograph damage for insurance before major cleanup.
5. Treat sewage as contaminated — do not mop with household cleaners alone.
6. Do not use a shop vac on sewage water.
7. Leave the area if fumes or overflow are heavy; ventilate only when safe.
8. For ZIP 78731 in Austin, call when a line is shown — say sewage backup so crews bring PPE.

About sewage backup in Austin

Area context for Austin ZIP 78731: elevated coastal / storm-water exposure for this metro zip. Treat it as orientation, not a parcel map. Census data: ZIP 78731 has about 15,163 homes, the median one was built in 1980, 55% are single-family houses, 53% are owner-occupied. 51% of homes here were built before 1980, the era of galvanized supply pipe and cast-iron drains — both corrode from the inside, so pinhole leaks and slow drain seepage are common. Texas mixes freeze-burst winters in the north with Gulf moisture and flash flooding farther south and east. Because this metro ZIP is marked elevated for relative flood/storm exposure, keep insurance documents handy after any indoor water event. This page is for homeowners in Austin, Texas — not a contractor listing, and

Local conditions

Flood insurance claims in ZIP 78731

FEMA's National Flood Insurance Program records 122 flood claims from ZIP 78731 between 1979 and 2026 — 16 of them in the last 10 years. 78 were paid, $1.7M in total, with a median payout of $9,560.

• Early summer storms (2015) — 4 claims
• Hurricane Harvey (2017) — 3 claims

Rising or surface water is excluded from standard homeowners policies — it needs NFIP or private flood coverage. A burst pipe or appliance leak is usually a homeowners claim instead, so photograph the source before cleanup.

Source: OpenFEMA NFIP redacted claims, data as of June 1, 2026. Counts are claims reported under this ZIP, not individual homes.

Common causes in Austin

These are frequent water-damage patterns for Austin homes — use them to describe the problem when you call.

• Supply-line failures (washer hoses, fridge lines, angle stops under sinks)
• Corroded galvanized or cast-iron lines — 51% of homes here predate 1980
• Storm-driven intrusion, roof leaks after wind, or window well overflow
• Toilet overflows and sewer backups
• Appliance faults (dishwasher, ice maker, HVAC condensate)

Cost expectations in Austin

For ZIP 78731 in Austin, expect costs to scale with rooms affected and contamination. DryCalm does not quote jobs.

• Small contained leaks: often lower four figures
• Room-level drying in denser housing: commonly mid four to low five figures
• Storm-driven or multi-room events: can run much higher, especially with contaminated water
• For scale: the median owner-occupied home in ZIP 78731 is valued at $903,200 (Census), so a five-figure drying job is a real share of the home's value — worth documenting carefully for your insurer
• Flood-insurance payouts in this ZIP: median $9,560 across 78 paid NFIP claims (FEMA) — flood policies pay for outdoor water that homeowners policies exclude

For your insurer

• Photos or short video before major cleanup
• When the water started and what you shut off
• Receipts for emergency purchases
• Contractor assessment when available
• Keep a simple timeline for ZIP 78731: discovery → shutoff → photos → who you called.

FAQs — sewage backup in Austin

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