A countertop dishwasher can make daily cleanup easier without requiring a full-size appliance or a permanent kitchen remodel. The best models under $300 combine useful capacity, simple installation, efficient washing, and convenient features such as built-in water tanks and delayed starts.
We compared 10 compact dishwashers across wash programs, tank capacity, noise, dish fit, controls, and installation flexibility to help you choose the right option for your space and routine.
Best 10 Countertop Dishwashers Under 300 Picks for 2026
Best All-in-One Value
NOVETE Portable Countertop Dishwasher
- Compact 16.9-inch footprint with four-place-setting capacity
- Built-in 5L tank or faucet connection
- Wash, dry, and ventilate functions
Best For: Small homes, apartments, RVs, and flexible no-install setups
Best for Larger Loads
BLACK+DECKER BCD6SD Countertop Dishwasher
- Six-place-setting capacity
- Six wash programs and LED controls
- Quick Connect faucet hookup
Best For: Small kitchens needing higher countertop capacity
Best Smart Features
BLITZHOME WiFi Countertop Dishwasher
- Remote app control and timer setting
- 5L tank or faucet water supply
- Six programs with 360° dual-spray cleaning
Best For: Connected-home users in compact living spaces
Best Quiet Traditional Pick
SPT SD-2225DWA Countertop Dishwasher
- Six-place-setting capacity for dishes up to 10.25 inches
- Six cycles plus delay start
- 55 dB operation with quick-connect hardware
Best For: Apartments and office kitchens needing quiet, conventional operation
Best All-Around Value
- Built-in tank or faucet hookup
- Six wash and drying programs
- Fits up to four place settings
Best For: Flexible small-space dishwashing with drying
Best for Scheduling
Countertop Dishwasher with Delay Start
- One-to-six-hour delay start
- 29-minute Speed cycle and Baby Care
- 50 dB operation with drying
Best For: Scheduled cleaning in apartments and RVs
Best Simple Portable Design
- Four cleaning modes
- 360-degree rotating spray
- Touch controls and clear door
Best For: Basic portable cleaning in compact spaces
Quiet No-Hookup Pick
EUHOMY 6-Program Countertop Dishwasher
- 5L tank avoids permanent installation
- Quiet 40 dB operation
- Six cycles with hot-air drying
Best For: Apartments, rentals, dorms, RVs, and quiet kitchens
Large-Plate Space Saver
18-Inch Portable Countertop Dishwasher
- Fits plates up to 12 inches
- 152-ounce removable water tank
- Six cycles with 12-hour delay start
Best For: Small kitchens needing larger-plate capacity
Most Versatile Cycle Selection
EUHOMY 8-Program Countertop Dishwasher
- Eight programs including Self-Clean
- Quiet 40 dB operation
- 5L tank with faucet option
Best For: Households wanting specialized cycles and flexible daily cleaning
Best All-in-One Value – NOVETE Portable Countertop Dishwasher
For shoppers comparing countertop dishwashers under 300, the NOVETE stands out with a compact footprint, a built-in 5-liter tank, and no-installation flexibility. It can accommodate four place settings, including dishes up to 12 inches when angled, making it practical for apartments and other small spaces.
Best For: Small households, apartments, dorms, RVs, boats, and anyone who wants washing, drying, and storage in one compact appliance.
Pros:
- Offers faucet or built-in-tank water supply modes without permanent installation.
- Includes five cycles, including Speed, Baby Care/Heavy, and Fruit modes.
- Provides hot-air drying plus up to 72 hours of automatic ventilation.
- Compact design still accommodates four full place settings.
Cons:
- Four-place-setting capacity is smaller than some six-setting competitors.
- The built-in tank must be filled manually when faucet mode is not used.
The NOVETE is a versatile choice when space and installation flexibility matter most. Its drying, ventilation, and specialty cycles add convenience beyond basic dishwashing.
Best for Larger Loads – BLACK+DECKER BCD6SD Countertop Dishwasher
Among countertop dishwashers under 300, the BLACK+DECKER BCD6SD is a strong option for users who want six-place-setting capacity in a freestanding countertop design. Its Quick Connect assembly attaches directly to a faucet, so it does not require permanent plumbing.
Best For: Small kitchens, residential spaces, RVs, and households that need more capacity than a four-setting compact dishwasher provides.
Pros:
- Fits up to six place settings and plates up to 10 inches.
- Provides six cycles, including Normal, Glass, Eco, Speed, and Heavy.
- Quick Connect faucet hookup avoids direct plumbing or permanent installation.
- Stainless steel interior helps resist food stains and retain heat for drying.
Cons:
- At 21.6 inches wide, it needs more counter space than ultra-compact models.
- Its listed noise level is 60 dB.
- Unlike some alternatives, the supplied notes do not mention a built-in water tank.
The BCD6SD prioritizes useful capacity and straightforward faucet connection. Its stainless steel interior and six-cycle selection make it a practical everyday choice where counter space is available.
Best Smart Features – BLITZHOME WiFi Countertop Dishwasher
For shoppers seeking countertop dishwashers under 300 with connected controls, the BLITZHOME combines app operation with a compact 5-liter-tank design. It supports either direct tank filling or faucet connection and uses dual spray arms for full-angle cleaning.
Best For: Tech-oriented users in apartments, dorms, RVs, boats, or small homes who want remote monitoring and flexible water supply options.
Pros:
- App connectivity lets users check status and set a timer remotely.
- Offers six programs, including Quick, Strong, ECO, Fruit, and Drying.
- Supports a built-in water tank or tap connection.
- 360-degree spiral spray and dual arms cover dishes from multiple angles.
Cons:
- The listed capacity is four to six place settings, depending on the load.
- App connectivity may be unnecessary for shoppers who prefer simple controls.
The BLITZHOME is a compelling fit when smart control is a priority. Its compact dimensions, high-temperature drying, and dual water-inlet modes provide useful flexibility for small-space living.
Best Quiet Traditional Pick – SPT SD-2225DWA Countertop Dishwasher
SPT SD-2225DWA Energy Star Countertop Dishwasher with Delay Start & LED – White
Check Price On AmazonThe SPT SD-2225DWA is a practical contender among countertop dishwashers under 300 for shoppers who want a familiar six-place-setting format. It includes a quick-connect kit, six wash cycles, LED controls, and a delay-start function for small kitchens and office spaces.
Best For: Apartments, office kitchens, and households wanting six-setting capacity with a relatively quiet 55 dB operating level.
Pros:
- Accommodates up to six standard place settings and dishes up to 10.25 inches.
- Includes Heavy, Normal, ECO, Glass, Speed, and Rinse cycles.
- Comes with drain and inlet hoses, a faucet adapter, and quick connect.
- Offers delay start and an LED display.
Cons:
- The 22-inch width requires substantial countertop space.
- The supplied notes do not mention a built-in water tank.
- Its listed water consumption is 2.85 gallons.
The SPT is a straightforward choice for buyers who value capacity, cycle variety, and included hookup hardware over an ultra-small footprint. Its 55 dB rating also makes it one of the quieter listed options.
Best All-Around Value – HAVA Countertop Dishwasher
For shoppers comparing countertop dishwashers under 300, the HAVA stands out as a flexible option for apartments, dorms, RVs, and other compact spaces. Its built-in 5L tank allows operation without a permanent water connection, while the included hose supports faucet hookup when preferred.
Best For: Households wanting broad cycle selection, drying, and flexible placement.
Pros:
- Tank or faucet water-supply options simplify setup.
- Six programs include Normal, Speed, Heavy/Baby Care, Fruit, and Dry.
- Fits up to four place settings and dishes up to 11 inches loaded at an angle.
- Uses 5L of water per cycle and includes hot-air drying with 72-hour ventilation.
Cons:
- At 60 dB, it may be more noticeable than quieter countertop models.
- Its compact capacity may require multiple loads for larger households.
Choose this model if you value versatility more than the smallest possible footprint. The tank, multiple wash modes, baby-care setting, and drying system make it a well-rounded fit for small-space living.
Best for Scheduling – Countertop Dishwasher with Delay Start
Among countertop dishwashers under 300, this model is a practical pick for users who want scheduled cycles and straightforward operation. Its 1–6-hour delay start, 5L tank, and compact dimensions suit small kitchens, RVs, dorms, and rental homes.
Best For: Users who want delay start, quieter operation, and an integrated drying and ventilation system.
Pros:
- Delay start can schedule cleaning from one to six hours ahead.
- Five wash programs include a 29-minute Speed cycle, ECO, Baby Care, and Fruit.
- Accommodates four place settings, including 12-inch plates loaded at an angle.
- 60-minute hot-air drying and 72-hour ventilation help keep dishes fresh.
Cons:
- The Fruit cycle is intended for use without detergent.
- Its 5L capacity is suited to compact loads rather than full-size household volume.
This is a strong choice when timing flexibility matters. The delay feature, 50 dB operating rating, transparent door, and dual water-supply options make it especially convenient for apartments and temporary living spaces.
Best Simple Portable Design – 800W Countertop Dishwasher
For shoppers seeking countertop dishwashers under 300 with simple touch controls, this portable mini dishwasher offers four targeted modes and a 6.8L water capacity. Its compact design is aimed at apartments, dorms, small homes, and RVs.
Best For: Users who want basic cycle selection, visible controls, and portable cleaning for dishes and produce.
Pros:
- ECO, Strong, Rapid, and Fruit modes cover common cleaning needs.
- Upper and lower spray arms provide 360-degree rotating coverage.
- Touch controls, LED display, and a clear door simplify monitoring.
- 72-hour storage functionality helps keep dishes dry after washing.
Cons:
- Only four cleaning modes are listed, fewer than some comparable models.
- The supplied notes do not specify a built-in tank or faucet-connection method.
- Capacity and place-setting information are not provided.
This model makes sense for buyers prioritizing uncomplicated controls and flexible cleaning modes. Consider it when you need a compact appliance for everyday dishes, cups, fruits, or vegetables and do not require detailed capacity specifications.
Quiet No-Hookup Pick – EUHOMY 6-Program Countertop Dishwasher
For shoppers comparing countertop dishwashers under 300, this EUHOMY model stands out for its quiet operation and flexible water supply. Its built-in 5-liter tank eliminates permanent installation, while the included hose supports faucet connection when convenient.
Best For: Apartments, rentals, dorms, RVs, and open kitchens where low noise and installation flexibility matter.
Pros:
- Runs at a quiet 40 dB.
- Offers six programs, including a 29-minute Quick cycle and Baby Care/Heavy mode up to 167°F.
- Includes 60-minute hot-air drying and extended ventilation to help reduce odors.
- Holds 30-plus items and plates up to 10.25 inches.
Cons:
- Requires more than 19 inches of vertical clearance under cabinets.
- A separate faucet adapter may be needed for G3/4-inch connections.
- Its capacity is better suited to everyday dishes than bulky cookware.
This is a practical choice if you want a compact dishwasher without committing to plumbing work. The 40 dB rating, tank operation, and drying features make it especially appealing for shared or small living spaces.
Large-Plate Space Saver – 18-Inch Portable Countertop Dishwasher
This model is a strong option among countertop dishwashers under 300 if accommodating larger plates is a priority. Its compact footprint supports plates up to 12 inches, while the removable 152-ounce tank allows use without a permanent hookup.
Best For: Small kitchens, dorms, apartments, and RVs that need room for larger dinner plates.
Pros:
- Fits plates up to 12 inches despite its compact countertop design.
- Supports both manual tank filling and direct faucet connection.
- Includes six cycles, including a 29-minute Quick mode and Dry cycle.
- Offers a 12-hour delay start and LED touch controls.
Cons:
- Its 48 dB operating noise is higher than some quieter countertop models.
- The tank holds 152 ounces, so it may need filling for each cycle when used without a faucet connection.
- The supplied details list a one-year warranty but do not specify additional accessories beyond the dish rack.
The main advantage here is usable interior space without a full-size installation. Choose it when 12-inch plates are more important than having the quietest possible machine.
Most Versatile Cycle Selection – EUHOMY 8-Program Countertop Dishwasher
For buyers evaluating countertop dishwashers under 300, this EUHOMY combines a compact footprint with eight wash and care programs. The 5-liter tank supports no-hookup use, while 40 dB operation, child lock, delay start, and self-cleaning add convenience for everyday loads.
Best For: Households wanting the broadest cycle selection for dishes, baby items, pet accessories, and routine maintenance.
Pros:
- Provides eight programs, including Glass, Self-Clean, Baby Care/Strong, and Dry.
- Runs at a quiet 40 dB and includes a child lock and delay start.
- Uses a built-in 5-liter tank or the included hose for faucet supply.
- Offers hot-air drying and a self-clean cycle to help manage moisture and odors.
Cons:
- Only accommodates plates up to 10.25 inches and is not intended for bulky pots or baking trays.
- A faucet adapter may be required if the connection does not match G3/4 inch.
- Deep containers and some plastics may retain a few droplets after drying.
This is the most flexible pick of the three for users who value specialized cycles and maintenance features. Its compact capacity remains best suited to smaller daily loads rather than large cookware.
How We Picked the Best Countertop Dishwashers Under 300
We focused on the features that matter most in compact kitchens: cleaning flexibility, usable interior space, water-tank design, hookup requirements, noise, energy-conscious operation, and everyday convenience. Models with multiple wash programs can handle more than lightly soiled plates, while delay-start settings help fit dishwashing around work, sleep, or family schedules.
We also considered whether each dishwasher is practical for renters, small apartments, RVs, offices, and homes with limited counter space. A built-in tank can eliminate the need for a permanent water connection, but compatible faucet adapters and drainage space still matter.
Quick Comparison
Before choosing, compare the details that will affect daily use rather than relying on the lowest price alone. Tank size influences how often you refill the machine, while interior dimensions determine whether it can accommodate your plates, bowls, cookware, or baby items. Noise ratings are especially important in studio apartments and open-plan kitchens.
- Best for flexible installation: Choose a model with a built-in water tank and a hose option.
- Best for frequent loads: Prioritize a larger interior and a tank that requires fewer refills.
- Best for quiet spaces: Look for a lower published decibel rating, such as models rated around 40 dB.
- Best for simple operation: Select clearly labeled controls and practical preset programs.
Key Buying Factors for Countertop Dishwashers Under 300
Capacity and Dish Clearance
Check the maximum plate diameter and rack layout before buying. Compact units vary considerably, and a dishwasher that fits standard dinner plates may not accommodate large cookware. Measure both your dishes and the available counter area, including room to open the door.
Water Supply and Drainage
Tank-based models are convenient when you cannot connect to a faucet, but filling and emptying the tank adds a small daily task. If you prefer a direct connection, verify that the included hose and adapter fit your faucet. Position the drain hose securely in the sink or an approved drain point.
Programs, Drying, and Controls
Useful programs typically include normal, intensive, rapid, eco, and rinse cycles. A dedicated drying function can reduce leftover moisture, although plastic items may still need air-drying. Delay start and touch controls are helpful extras, but they should not outweigh capacity or installation fit.
Noise, Power, and Maintenance
Lower-noise models are easier to live with in bedrooms, offices, and small homes. Clean the filter regularly, wipe the door seal, and follow the manufacturer’s guidance for detergent, rinse aid, and descaling. Confirm the electrical requirements and leave adequate ventilation around the appliance.
Who Should Buy Which Countertop Dishwashers Under 300?
Renters and apartment residents should favor portable tank models that need no permanent hookup. Busy households may benefit from larger-capacity units with several programs and delay start. RV owners and office users should prioritize compact dimensions, manageable water use, and straightforward drainage. Shoppers seeking quieter operation should compare published decibel ratings carefully, while anyone washing larger plates should verify the stated clearance before ordering.