Sump Pump Installation Cost in Phoenix (2026)
Average cost in Phoenix
US$550 — US$4,200
US$550 — US$4,200 per sq ft
Cost Breakdown
ItemizedInstallation and excavation
55%
Pump unit, basin, and piping
30%
City of Phoenix plumbing permit
10%
Dedicated circuit or outlet
5%
Sales Tax at 5.6%
📋What's Included
ScopeTypically Includes
- Sump pump unit
- Sump pit (basin)
- Check valve
- Discharge pipe
- Labor & installation
Typically Excludes
- Battery backup system
- Exterior drainage tie-in
- Floor drain installation
- Waterproofing
- Electrical panel upgrade
Based on a standard 1/3 HP submersible sump pump with new pit.
🧮Estimate Your Cost
InteractiveEstimated Cost
US$1,104 — US$1,656
Based on 7 sources and market data for Phoenix. Actual costs may vary depending on specific project requirements.
🏢Top Sump Pump Contractors in Phoenix
Verified providersWyman Plumbing & Mechanical LLC
12251 N 32nd St # 3, Phoenix, AZ 85032, USA
1,524 reviews
Simba Plumbing LLC
15863 N Greenway Hayden Loop suite 117, Scottsdale, AZ 85260, USA
550 reviews
Affordable Plumbing, Rooter and Water Heaters
16042 N 32nd St Suite C-3, Phoenix, AZ 85032, USA
317 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
The primary cost driver in Phoenix is 'caliche' soil, a concrete-like layer of calcium carbonate. Excavating a new sump pit through caliche requires specialized jackhammers and extra labor, often adding $300 to $800 to the standard installation cost.
Yes, particularly for homes with basements or negative grading. During the Arizona monsoon season (June–September), intense rainfall can cause flash flooding. Local experts recommend them for the 15-20% of Phoenix homes prone to yard pooling or foundation seepage.
Yes. The City of Phoenix requires a plumbing permit for new installations. As of 2026, the base fee is approximately $150, but total permit and plan review fees can reach $558 for projects involving significant structural or electrical changes.
A simple replacement of an existing pump typically costs between $550 and $1,100. A new installation requiring a new basin, discharge line, and electrical work averages $1,500 to $4,200 depending on the horsepower and backup battery options.
📊Our Methodology
How we collect dataAggregated from 7+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: today. Updates run weekly. All costs in USD.