Last updated: 2026-08-30
Water Damage Tempe is a water damage restoration company serving Tempe and the Phoenix metro — including Mesa, Chandler, Scottsdale, Gilbert, and Phoenix, and sewage & black water cleanup is one of the services we handle most. This page covers what the work involves here specifically — the climate, the local causes, and what it costs — rather than what it involves in general.
What we do on the first visit
The first visit is an assessment, not a sales call. We identify the water category, check how far the water has migrated into flooring, subfloor, and walls, and take moisture readings to establish a baseline. We confirm whether the source is a slab leak, a failed appliance, or storm intrusion — and then you get a written scope with affected areas and any mold remediation as separate lines.
If we think a smaller mitigation job is the better spend than a full restoration, or the source needs a plumber before restoration can start, we say so on that visit — including when it means the smaller job for us.
What's included
- Full PPE and biohazard protocols on every job, since sewage backups are classified Category 3 black water from the start
- Contaminated water and solids extracted and disposed of per biohazard handling requirements
- Porous material that contacted black water — carpet, pad, drywall, insulation — removed rather than cleaned, per IICRC guidance
- Non-porous surfaces cleaned and disinfected to a sanitary standard, not just wiped down
- Antimicrobial application on framing and subfloor after contaminated material is removed
- Air scrubbing to address odor and airborne contamination during and after cleanup
- Moisture readings and structural drying set up once decontamination is complete
- Written scope documenting Category 3 classification for insurance, since black water claims are handled differently than clean-water claims

What this costs in Tempe
Sewage & Black Water Cleanup runs $1,500–$4,000 for a small, contained event in this area. A small, contained sewage backup typically runs $1,500-$4,000; once black water has soaked drywall across multiple rooms, cost commonly exceeds $10,000, since contaminated material has to be removed rather than dried and saved. The driving factor is how far the water traveled before it was contained and how much porous material it reached.. The things that move a job up its range are the water category, how much square footage is affected, and how long the water sat before extraction started. If you want a number before you call, the water damage cost calculator will get you close.
When it needs doing
- Sewage backing up through a toilet, floor drain, or shower
- A foul, sewage-like odor coming from a drain even without visible backup
- Water damage in a low-lying area near a sewer line
- Multiple fixtures backing up at once, suggesting a main line blockage
- Standing water with visible waste or debris after a plumbing failure
- A sewage smell returning after a DIY cleanup attempt
Related reading
These go deeper on the questions that come up most on this job:

