Shopping for a dishwasher at Costco in 2025 means you want top value, dependable service, and the peace of mind that comes with extended warranties. Costco is known for offering trusted major brands, member-only pricing, and some of the best customer satisfaction in the appliance market. Whether you need a whisper-quiet cycle, serious drying power, or flexible racks for a busy family, this guide will help you find the right dishwasher at your local warehouse or online.
Quick Picks
- Best Overall: LG Top Control Smart Dishwasher (LDP6810SS) – Member favorite, ultra-quiet, loaded with features, and extra warranty included.
- Best Bosch: Bosch 800 Series SHEM78ZH5N – Pro-level quiet, flexible 3rd rack, and legendary Bosch reliability at a great member price.
- Best Budget: Whirlpool Top Control Dishwasher (WDT750SAKZ) – Effective, ENERGY STAR®, and excellent value for the price.
Buyer’s Guide: Why Shop at Costco for Your Dishwasher?
- Extended Warranty: Most Costco dishwashers include a 2-year warranty and Concierge Tech Support, plus a free 1-year extension with Citi credit card purchases.
- Installation & Haul Away: Costco often includes delivery, installation, and haul-away in the price—a big saver compared to other retailers.
- Top Brands Only: Costco carries only proven, reliable brands—Bosch, LG, KitchenAid, Samsung, Whirlpool, and Maytag.
- Value for Features: Costco’s bundles often include extra racks, cleaning kits, or upgraded finish options at no extra charge.
- Member-Only Pricing: Costco’s negotiated pricing is tough to beat—especially during seasonal sales and appliance events.
- Easy Returns: Costco’s famous return policy is the most hassle-free in the industry—no stress if your new dishwasher doesn’t fit your space.
Top 6 Dishwashers at Costco for 2025 (Full Reviews)
LG Top Control Smart Dishwasher (LDP6810SS)
- Who it’s for: Costco members wanting the quietest operation, tech features, and the best combination of cleaning and drying.
- Key Benefits:
- QuadWash for powerful multi-angle cleaning
- TrueSteam sanitizing and Dynamic Dry for spot-free results
- 44 dBA – ultra-quiet, even for open-plan kitchens
- Third rack and adjustable upper rack for maximum space
- Wi-Fi enabled for remote start/alerts
- Pros: Modern, flexible, dries plastics, great for families and home chefs. Costco price often beats other big-box stores.
- Cons: Tech-heavy controls can take time to learn; professional install recommended.
- Final Verdict: If you want a high-end machine with total peace of mind, this LG is the best all-around Costco buy. See Costco’s price.
Bosch 800 Series SHEM78ZH5N
- Who it’s for: Bosch fans who want legendary quiet, deep-cleaning, and unbeatable member service.
- Key Benefits:
- Ultra-quiet 42 dBA—nearly silent
- Flexible 3rd rack fits utensils, mugs, and more
- CrystalDry for truly dry plastics and glassware
- RackMatic system for easy rack adjustments
- ENERGY STAR® for efficiency
- Pros: Near-luxury cleaning, best-in-class drying, and Costco’s extra support/warranty.
- Cons: Sometimes sells out fast; higher price than basic models (but worth it for performance).
- Final Verdict: For quiet, efficient, long-term use, Bosch is a member favorite. See today’s deal.
Whirlpool Top Control Dishwasher (WDT750SAKZ)
- Who it’s for: Shoppers who want a straightforward, effective dishwasher at a great member price.
- Key Benefits:
- Sensor cycle adjusts water/energy to each load
- Adjustable 2nd rack, 3rd rack for flatware/utensils
- Fingerprint-resistant stainless finish
- ENERGY STAR®, 47 dBA – very quiet for the price
- Pros: Budget-friendly, easy install, proven Whirlpool reliability, and solid drying power.
- Cons: Not the quietest on this list; fewer high-end features than Bosch or LG.
- Final Verdict: Ideal for value-focused shoppers and smaller families. Check today’s Costco price.
Samsung Top Control Dishwasher (DW80CG5450SRAA)
- Who it’s for: Modern homes needing Wi-Fi control, solid cleaning, and a stylish finish.
- Key Benefits:
- SmartThings Wi-Fi app integration
- 3rd rack, adjustable racks, and AutoRelease door for fast drying
- 44 dBA – very quiet
- Pros: Modern tech, flexible racks, ENERGY STAR®, and Costco’s warranty and service.
- Cons: Cycles can run long; drying is best with rinse aid.
- Final Verdict: Feature-packed and perfect for busy families or tech fans. See price.
Maytag Front Control Dishwasher (MDB4949SKZ)
- Who it’s for: Shoppers wanting rugged reliability, simple controls, and excellent cleaning for tough jobs.
- Key Benefits:
- PowerBlast cycle and Dual Power Filtration for stubborn messes
- Stainless steel tub, 50 dBA – quiet enough for any home
- Fingerprint-resistant stainless, made in the USA
- Pros: Heavy-duty build, good drying, and extra warranty from Costco.
- Cons: No 3rd rack; louder than premium picks.
- Final Verdict: The go-to for big families or frequent cooks. See today’s deal.
KitchenAid Top Control Dishwasher (KDTM404KPS)
- Who it’s for: Home chefs, entertainers, and anyone who wants quiet, powerful cleaning with premium racks.
- Key Benefits:
- Third rack, ProDry for extra dry results, PrintShield finish
- Ultra-quiet (39 dBA)
- ProWash sensor for perfect results every load
- Pros: Luxurious feel, flawless cleaning, and Costco’s extra warranty makes it a smart splurge.
- Cons: Higher price; best if you host big meals or run daily loads.
- Final Verdict: Near-luxury quality at member pricing. Check price.
Comparison Table
| Model | Key Features | Noise (dBA) | 3rd Rack | Warranty | Price Link |
|---|---|---|---|---|---|
| LG LDP6810SS | QuadWash, 3rd Rack, Dynamic Dry, Wi-Fi | 44 | Yes | 2+ years | View |
| Bosch 800 Series SHEM78ZH5N | CrystalDry, 3rd Rack, 42 dBA | 42 | Yes | 2+ years | View |
| Whirlpool WDT750SAKZ | Sensor, 3rd Rack, 47 dBA | 47 | Yes | 2+ years | View |
| Samsung DW80CG5450SRAA | Wi-Fi, AutoRelease, 3rd Rack, 44 dBA | 44 | Yes | 2+ years | View |
| Maytag MDB4949SKZ | PowerBlast, 50 dBA, Heavy-Duty | 50 | No | 2+ years | View |
| KitchenAid KDTM404KPS | 3rd Rack, ProDry, 39 dBA | 39 | Yes | 2+ years | View |
FAQ
- Are Costco dishwashers really a better deal?
Yes—Costco often includes longer warranty, haul away, and tech support at no extra charge. Their return policy is also industry-leading. - Can I get installation with my Costco dishwasher?
Most Costco prices include basic installation and haul away, but check your local terms or order online for full details. - Does Costco sell Bosch and KitchenAid dishwashers?
Yes—Costco regularly stocks the latest Bosch, KitchenAid, LG, Whirlpool, Maytag, and Samsung models, often with member-exclusive bundles. - Are 3rd rack dishwashers worth it?
Absolutely! They give extra room for utensils, mugs, and small bowls—making every load more efficient. - Can I return a dishwasher to Costco if it doesn’t fit?
Yes—Costco’s appliance return policy is far more flexible than most retailers. Returns are quick and member-focused.
Conclusion & Call to Action
Whether you value extended warranty, the latest features, or peace of mind, shopping for your dishwasher at Costco is a smart move in 2025. Their member service, delivery, and warranty make every model on this list a low-risk, high-value investment. Check current prices, see what’s in stock at your warehouse, and bring home a dishwasher that will save you time and hassle for years.
Ready to upgrade? Check your local Costco, compare today’s prices online, and choose the dishwasher that fits your needs and budget!
Need help choosing the best fit? Share your city or state, and I’ll help you find Costco inventory and member-only appliance sales near you!