Installing a dishwasher isn’t just about plugging in an appliance—it’s about saving time, protecting your kitchen from leaks, and ensuring safe wiring.
On average, dishwasher installation costs $200 – $1,500, depending on plumbing, wiring, and the type of dishwasher.
This guide explains what drives that cost, how to avoid hidden charges, and how to get professional results without overspending.
Average Cost to Install a Dishwasher
| Type of Installation | Average Cost (USD) | What’s Included |
| Basic install (existing hookups) | $200 – $400 | Labor, connection to water & drain |
| Mid-range install (minor modifications) | $400 – $800 | Plumbing, wiring adjustments |
| Full/custom install (new location / cabinet work) | $800 – $1,500 + | New lines, cabinets, permits |
What Affects Dishwasher Installation Cost?
1. Labor & Professional Fees
Professional installers charge around $75 – $150 per hour. Complex jobs involving rewiring or new plumbing may take 3–4 hours.
2. Plumbing Work
If new water supply or drain lines are required, expect $150 – $350 in extra cost. Proper plumbing ensures no leaks and long-term efficiency.
3. Electrical Setup
Older homes often need a dedicated 120-volt outlet or GFCI protection, costing $100 – $250.
4. Cabinet or Counter Modifications
Modifying existing cabinetry or countertops can add $200 – $600 depending on materials.
5. Old Dishwasher Removal
Disposal or recycling costs about $75 – $150, depending on your area.
6. Permits or Code Inspections
Certain cities require minor plumbing or electrical permits, adding $50 – $200.
Benefits of Professional Dishwasher Installation
- No Leaks or Electrical Hazards – Experts ensure watertight connections and safe wiring.
- Manufacturer Warranty Protection – Many brands void warranties if not installed by a certified pro.
- Time Savings – Professionals complete the job in hours, not days.
- Peace of Mind – Proper setup means years of trouble-free washing.
Hidden Costs Homeowners Often Miss
- Extra hoses or fittings ($15 – $50)
- Upgraded shut-off valves ($20 – $80)
- Air-gap installation for drainage ($30 – $60)
- Tile or flooring repair if relocating the unit ($100 – $300)
Always ask for an itemized quote so you know exactly where every dollar goes.
How to Save on Dishwasher Installation Costs
- Keep the same location. Using existing hookups avoids plumbing / electrical upgrades.
- Buy during appliance sales. Many retailers bundle free or discounted installation.
- Get multiple quotes. Compare at least three local pros before deciding.
- Provide your own parts. Supply the drain hose, power cord, or fittings if allowed.
- Schedule off-season. Installers charge less in slower months (January–March).
FAQ
Frequently Asked Question
How much is a dishwasher installation if plumbing already exists?
Can I install a dishwasher myself to save money?
How long does dishwasher installation take?
How much does it cost to replace an old dishwasher with a new one?
Does Home Depot or Lowe’s offer dishwasher installation?
Final Thoughts
Knowing how much a dishwasher installation costs helps you plan smartly and avoid hidden surprises. Investing a few hundred dollars in a professional setup guarantees safety, efficiency, and years of worry-free use.
Author Credibility
Written by Sylvia Peterson — Certified Home Appliance & Installation Expert Sylvia Peterson is a trusted voice in home improvement and appliance installation across the world. With years of hands-on experience and deep knowledge of kitchen systems, she helps homeowners make confident, cost-smart decisions. All analysis, insights, and recommendations in this guide are fully credited to her expertise.
Disclosure
This article includes references to verified market research, cost data, and industry sources. All values reflect averages for 2025 but may vary by location. Always consult licensed professionals before scheduling installation or purchasing equipment