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10 Best Under Sink Compost Bins for 2026 (No More Odors)

Avoid composting nightmares with our top 10 under-sink bins that actually work in dark, cramped spaces—but only if you choose correctly.

Kitchen Products · Buyer's Guide

10 Best Under Sink Compost Bins for 2026 (No More Odors)

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You’d be surprised to learn that most kitchen compost bins aren’t actually designed for under-sink installation, despite manufacturers marketing them that way. The enclosed space creates unique challenges—limited airflow, higher humidity, and restricted access that can quickly turn your eco-friendly efforts into a smelly disaster. But here’s the thing: the right under-sink compost bin can transform that awkward cabinet space into an odor-free composting station. Let’s explore what separates the winners from the failures.

Before You Buy

Under sink compost bins range from compact 0.75-gallon models to spacious 7-liter options for different household sizes.

Odor control features include charcoal filters, airtight lids, sealed designs, and antimicrobial materials that prevent smell and bacteria growth.

Installation methods include door-mounting, wall-mounting, under-sink placement, and freestanding designs for various kitchen configurations.

Top-rated bins earn 4.5-4.6 stars from thousands of reviews, with some models ranking #1 in their category.

Easy maintenance features like smooth interiors, removable lids, dishwasher-safe materials, and bag-securing rings simplify daily use.

Our Selection

Best Under Sink Compost Bin Picks

Best Overall
Utopia Kitchen Indoor Compost Bin with Filter

Utopia Kitchen Indoor Compost Bin with Filter

Capacity · 1.3 gallon
Material · Stainless steel
Mounting Options · Countertop or under-sink
Best Versatility
Tiyafuro 2.4 Gallon Kitchen Compost Bin with Lid

Tiyafuro 2.4 Gallon Kitchen Compost Bin with Lid

Capacity · 2.4 gallons
Material · ABS plastic / Polypropylene
Mounting Options · Wall-mount, hanging, countertop, under-sink
Most Compact
OXO Good Grips Easy-Clean Compost Bin Charcoal – 0.75 GAL

OXO Good Grips Easy-Clean Compost Bin Charcoal – 0.75 GAL

Capacity · 0.75 gallon
Material · Plastic
Mounting Options · Countertop
Premium Choice
EKO Kitchen Compost Bin 7L Stainless Steel

EKO Kitchen Compost Bin 7L Stainless Steel

Capacity · 7L / 1.85 gallon
Material · Stainless steel
Mounting Options · Wall-mount, hanging, countertop
Budget-Friendly Pick
LALASTAR Kitchen Compost Bin Hanging with Lid

LALASTAR Kitchen Compost Bin Hanging with Lid

Capacity · 1.8 gallon
Material · Plastic
Mounting Options · Wall-mount, hanging, under-sink
Largest Capacity
Stonespace 3.2 Gallon Kitchen Compost Bin (Blue)

Stonespace 3.2 Gallon Kitchen Compost Bin (Blue)

Capacity · 3.2 gallon / 12L
Material · Plastic
Mounting Options · Wall-mount or under-sink
Most Affordable
Kitchen Waste Bin with Hooks (Green 3L)

Kitchen Waste Bin with Hooks (Green 3L)

Capacity · 3L
Material · ABS plastic
Mounting Options · Wall-mount, hanging, countertop, under-sink
Editor’s Choice
2.6 Gallon Kitchen Compost Bin with Lid

2.6 Gallon Kitchen Compost Bin with Lid

Capacity · 2.6 gallon
Material · ABS plastic
Mounting Options · Wall-mount, hanging, countertop, under-sink
Space-Saving Design
LALASTAR Countertop Compost Bin with Lid 5L

LALASTAR Countertop Compost Bin with Lid 5L

Capacity · 1.3 gallon / 5L
Material · Plastic
Mounting Options · Wall-mount, hanging, under-sink
Most Innovative
1.9 Gallon Kitchen Compost Bin with Lid

1.9 Gallon Kitchen Compost Bin with Lid

Capacity · 1.9 gallon
Material · Plastic (implied)
Mounting Options · Wall-mount, hanging, countertop, under-sink
At a Glance

Compare the Picks

Product
Capacity
Material
Mounting Options
Utopia Kitchen Indoor Compost Bin with Filter
Utopia Kitchen Indoor Compost Bin with Filter
Best Overall
1.3 gallon
Stainless steel
Countertop or under-sink
Tiyafuro 2.4 Gallon Kitchen Compost Bin with Lid
Tiyafuro 2.4 Gallon Kitchen Compost Bin with Lid
Best Versatility
2.4 gallons
ABS plastic / Polypropylene
Wall-mount, hanging, countertop, under-sink
OXO Good Grips Easy-Clean Compost Bin Charcoal – 0.75 GAL
OXO Good Grips Easy-Clean Compost Bin Charcoal – 0.75 GAL
Most Compact
0.75 gallon
Plastic
Countertop
EKO Kitchen Compost Bin 7L Stainless Steel
EKO Kitchen Compost Bin 7L Stainless Steel
Premium Choice
7L / 1.85 gallon
Stainless steel
Wall-mount, hanging, countertop
LALASTAR Kitchen Compost Bin Hanging with Lid
LALASTAR Kitchen Compost Bin Hanging with Lid
Budget-Friendly Pick
1.8 gallon
Plastic
Wall-mount, hanging, under-sink
Stonespace 3.2 Gallon Kitchen Compost Bin (Blue)
Stonespace 3.2 Gallon Kitchen Compost Bin (Blue)
Largest Capacity
3.2 gallon / 12L
Plastic
Wall-mount or under-sink
Kitchen Waste Bin with Hooks (Green 3L)
Kitchen Waste Bin with Hooks (Green 3L)
Most Affordable
3L
ABS plastic
Wall-mount, hanging, countertop, under-sink
2.6 Gallon Kitchen Compost Bin with Lid
2.6 Gallon Kitchen Compost Bin with Lid
Editor’s Choice
2.6 gallon
ABS plastic
Wall-mount, hanging, countertop, under-sink
LALASTAR Countertop Compost Bin with Lid 5L
LALASTAR Countertop Compost Bin with Lid 5L
Space-Saving Design
1.3 gallon / 5L
Plastic
Wall-mount, hanging, under-sink
1.9 Gallon Kitchen Compost Bin with Lid
1.9 Gallon Kitchen Compost Bin with Lid
Most Innovative
1.9 gallon
Plastic (implied)
Wall-mount, hanging, countertop, under-sink

Swipe to see all specs · full write-ups below

The Full Story

More Details on Our Top Picks

01 / 10

Utopia Kitchen Indoor Compost Bin with Filter

Utopia Kitchen Indoor Compost Bin with Filter
Our Verdict
Best Overall
View Latest Price

If you’re looking for a compact composting solution that won’t announce itself with unpleasant odors, the Utopia Kitchen Indoor Compost Bin deserves your attention. This 1.3-gallon stainless steel bin features a charcoal filter that effectively traps odors while you accumulate scraps. Its cylindrical design measures 8.4L x 7W x 11H inches, fitting comfortably on countertops or under sinks.

The durable construction withstands daily use, and you’ll appreciate the straightforward cleaning process—just wash thoroughly after emptying. At 2 pounds, it’s lightweight yet sturdy. With nearly 20,000 customer reviews averaging 4.5 stars and ranking #1 in its category, it’s proven reliable for odor-free composting.

Capacity
1.3 gallon
Material
Stainless steel
Mounting Options
Countertop or under-sink
Odor Control
Charcoal filter
Dimensions
8.4L x 7W x 11H inches
Shape
Cylindrical
Additional Feature
Charcoal filter included
Additional Feature
Cylindrical stainless steel design
Additional Feature
#1 Best Seller ranking
02 / 10

Tiyafuro 2.4 Gallon Kitchen Compost Bin with Lid

Tiyafuro 2.4 Gallon Kitchen Compost Bin with Lid
Our Verdict
Best Versatility
View Latest Price

The Tiyafuro 2.4 Gallon Kitchen Compost Bin is best for renters and small-space dwellers who need flexible mounting options without permanent installation. You’ll hang it on cabinet doors up to 0.95 inches thick using the included hook and adhesive mounts. The 2.4-gallon ABS plastic bin measures 10.2″ × 6.3″ × 11.6″ and weighs just 1.73 pounds.

Its odor-preventing lid keeps your kitchen fresh while you collect scraps. You’ll appreciate the smooth finish that cleans easily with soap and water, leaving no crevices for grime. It includes 20 trash bags and works equally well on countertops or under sinks.

Capacity
2.4 gallons
Material
ABS plastic / Polypropylene
Mounting Options
Wall-mount, hanging, countertop, under-sink
Odor Control
Lid prevents odor escape
Dimensions
10.2L x 6.3W x 11.6H inches
Shape
Rectangular
Additional Feature
Includes 20 trash bags
Additional Feature
Smooth finish prevents buildup
Additional Feature
Compatible with grocery bags
03 / 10

OXO Good Grips Easy-Clean Compost Bin Charcoal – 0.75 GAL

OXO Good Grips Easy-Clean Compost Bin Charcoal – 0.75 GAL
Our Verdict
Most Compact
View Latest Price

Compact kitchens and limited counter space call for the OXO Good Grips Easy-Clean Compost Bin, a 0.75-gallon solution that’s perfect for apartment dwellers and minimalists who compost daily. You’ll appreciate the flip-up lid that opens with one hand and secures down to trap odors between trips outside. The smooth interior walls prevent food buildup, while the contoured bottom guarantees complete emptying without residue.

Its sturdy rotating handle makes transporting scraps effortless, and the removable lid simplifies cleaning. At just 1.19 pounds and 7.5 inches tall, it won’t overwhelm your counter. With 4.6 stars from 17,769 reviews, it’s ranked #3 in indoor compost bins.

Capacity
0.75 gallon
Material
Plastic
Mounting Options
Countertop
Odor Control
Flip-up lid locks in odors
Dimensions
6.6L x 6.4W x 7.5H inches
Shape
Cylindrical
Additional Feature
One-hand flip-up lid
Additional Feature
Sturdy rotating handle
Additional Feature
Contoured bottom design
04 / 10

EKO Kitchen Compost Bin 7L Stainless Steel

EKO Kitchen Compost Bin 7L Stainless Steel
Our Verdict
Premium Choice
View Latest Price

Looking for a compost solution that doesn’t sacrifice your limited counter space? The EKO Kitchen Compost Bin offers versatile placement options—mount it on walls, hang it over cabinet doors, or tuck it under your sink. This 7-liter stainless steel bin resists fingerprints and corrosion while maintaining a sleek appearance.

Its precision-engineered swing lid keeps odors contained, and the removable inner liner simplifies bag changes. You’ll appreciate the sturdy carrying handle for easy transport to your outdoor compost pile. The detachable design makes cleaning effortless, helping you maintain a hygienic kitchen while transforming scraps into nutrient-rich compost.

Capacity
7L / 1.85 gallon
Material
Stainless steel
Mounting Options
Wall-mount, hanging, countertop
Odor Control
Swing lid maintains hygiene, keeps odors at bay
Dimensions
Not specified
Shape
Not specified
Additional Feature
2-in-1 trash/compost bin
Additional Feature
Fingerprint-resistant stainless steel
Additional Feature
Precision-engineered swing lid
05 / 10

LALASTAR Kitchen Compost Bin Hanging with Lid

LALASTAR Kitchen Compost Bin Hanging with Lid
Our Verdict
Budget-Friendly Pick
View Latest Price

If you need a versatile composting solution that adapts to your available space, the LALASTAR Kitchen Compost Bin delivers with its three-way installation system. You can wall-mount it with adhesive pads or screws, hang it on cabinet doors up to 0.86 inches thick, or tuck it under your sink. The 1.8-gallon blue plastic bin features a precisely-fit lid that blocks odors and keeps fruit flies out.

Its retention ring prevents garbage bags from slipping down during use. You’ll appreciate that it’s dishwasher safe and BPA-free, making cleanup effortless. The compact 9.8L x 7.7W x 8.5H inch design saves space throughout your kitchen, bathroom, or RV.

Capacity
1.8 gallon
Material
Plastic
Mounting Options
Wall-mount, hanging, under-sink
Odor Control
Precisely-fit lid blocks odors
Dimensions
9.8L x 7.7W x 8.5H inches
Shape
Not specified
Additional Feature
Dishwasher safe plastic
Additional Feature
BPA-free construction
Additional Feature
Retention ring included
06 / 10

Stonespace 3.2 Gallon Kitchen Compost Bin (Blue)

Stonespace 3.2 Gallon Kitchen Compost Bin (Blue)
Our Verdict
Largest Capacity
View Latest Price

The Stonespace 3.2 Gallon Kitchen Compost Bin stands out as the best choice for apartment dwellers and homeowners who want a no-fuss composting solution without dealing with fruit flies or unpleasant odors. You’ll appreciate its sealed design that guarantees the absence of the need for charcoal filters while keeping pests away.

At 6.5 x 10 x 11.5 inches, this 3.2-gallon bin fits perfectly under your sink or mounts on the wall. The sturdy, non-toxic plastic construction certifies durability, and you can easily clean it with soap and water. With 1,707 customer reviews averaging 4.6 stars, it’s proven reliable for kitchen, bathroom, and RV use.

Capacity
3.2 gallon / 12L
Material
Plastic
Mounting Options
Wall-mount or under-sink
Odor Control
Sealed lid, no filter needed
Dimensions
6.5L x 10W x 11.5H inches
Shape
Rectangular
Additional Feature
No charcoal filter needed
Additional Feature
Non-toxic plastic construction
Additional Feature
12L superior capacity
07 / 10

Kitchen Waste Bin with Hooks (Green 3L)

Kitchen Waste Bin with Hooks (Green 3L)
Our Verdict
Most Affordable
View Latest Price

This 3-liter hanging waste bin maximizes vertical storage in space-conscious households while keeping composting materials discreetly tucked away. The durable ABS plastic construction mounts easily on cabinets up to 0.8 inches thick using the included hook and adhesive accessories. The lid effectively contains odors while preventing curious pets and children from accessing contents.

The compact design works equally well hanging under sinks or sitting on countertops, and you can even line it with reusable grocery bags for easy disposal. It’s versatile enough for kitchens, bathrooms, RVs, and laundry rooms where space is limited.

Capacity
3L
Material
ABS plastic
Mounting Options
Wall-mount, hanging, countertop, under-sink
Odor Control
Lid prevents odors
Dimensions
Not specified
Shape
Not specified
Additional Feature
Prevents child/pet access
Additional Feature
Reusable grocery bag compatible
Additional Feature
Durable ABS construction
08 / 10

2.6 Gallon Kitchen Compost Bin with Lid

2.6 Gallon Kitchen Compost Bin with Lid
Our Verdict
Editor’s Choice
View Latest Price

This 2.6-gallon kitchen compost bin combines compact design with practical functionality for efficient food waste management. The tool-free installation uses an included hook or adhesive mount, fitting cabinet doors under one inch thick or any clean vertical surface. The dual lid-opening system—flip up or slide down—accommodates your preference while effectively containing odors without carbon filters, eliminating fruit flies and unpleasant smells even after storing scraps for days.

Made from durable ABS plastic, it’s lightweight and wipes clean effortlessly. The retaining ring secures garbage bags to prevent messy slips, making it function perfectly in kitchens, bathrooms, or offices.

Capacity
2.6 gallon
Material
ABS plastic
Mounting Options
Wall-mount, hanging, countertop, under-sink
Odor Control
Lidded design prevents odor dispersion
Dimensions
10.24L x 6.3W x 9.45H inches
Shape
Rectangular (implied)
Additional Feature
Dual lid-opening methods
Additional Feature
Tool-free installation
Additional Feature
Reduces back pain
09 / 10

LALASTAR Countertop Compost Bin with Lid 5L

LALASTAR Countertop Compost Bin with Lid 5L
Our Verdict
Space-Saving Design
View Latest Price

Versatility defines the LALASTAR Countertop Compost Bin, making it the best choice for renters and homeowners who need flexible installation options. You’ll mount it on walls with adhesive tape or hang it over cabinet doors without damaging surfaces. The 5-liter capacity handles your daily kitchen scraps while blocking odors and preventing fruit flies.

Its compact 9.6″ x 7.5″ x 5.7″ design fits under sinks, in RVs, or anywhere you need compost storage. You’ll appreciate the BPA-free, dishwasher-safe construction that resists stains and odors. At 15.5 ounces, it’s lightweight enough to relocate as your needs change.

Capacity
1.3 gallon / 5L
Material
Plastic
Mounting Options
Wall-mount, hanging, under-sink
Odor Control
Odor-blocking lid
Dimensions
9.6L x 7.5W x 5.7H inches
Shape
Not specified
Additional Feature
Stain and odor resistant
Additional Feature
Ultra-compact 5L size
Additional Feature
Dishwasher safe design
10 / 10

1.9 Gallon Kitchen Compost Bin with Lid

1.9 Gallon Kitchen Compost Bin with Lid
Our Verdict
Most Innovative
View Latest Price

For renters and homeowners who can’t commit to permanent fixtures, this 1.9-gallon compost bin delivers flexible installation without drilling holes or damaging surfaces. The semi-automatic slide cover opens with minimal effort while sealing odors, musty smells, and insects inside. The 10.2-inch wide opening reduces spillage during disposal, and you won’t need to bend down for cleaning—simply hang it using the included wall hook or adhesive patch.

At 10.2″ x 5.9″ x 8.26″, it fits inside or outside cabinet doors, maximizing your under-sink space. Installation takes minutes: attach the hook, slide it onto the bin, and hang wherever needed.

Capacity
1.9 gallon
Material
Plastic (implied)
Mounting Options
Wall-mount, hanging, countertop, under-sink
Odor Control
Sealed lid blocks odors
Dimensions
10.2L x 5.9W x 8.26H inches
Shape
Rectangular (implied)
Additional Feature
Semi-automatic slide cover
Additional Feature
Wide 10.2-inch opening
Additional Feature
No bending required
How to Choose

Factors to Consider When Choosing Under Sink Compost Bins

evaluating under sink compost bin features

When selecting an under sink compost bin, you’ll need to evaluate several key features to find the right match for your kitchen. The bin’s size and capacity should fit your available cabinet space while accommodating your household’s food waste volume. You’ll also want to assess installation requirements, odor control mechanisms, material durability, and how easily you can access the bin through its lid design.

Most under-sink compost bins fall within the 1 to 3-gallon range, striking a practical balance between convenient daily use and manageable trips to your outdoor compost pile. If you’re working with a small kitchen, a compact 1-gallon bin saves valuable space. Larger households generating more scraps should consider 2-3 gallon models for extended capacity.

Before purchasing, measure your under-sink clearance carefully. You’ll need to account for plumbing fixtures and any items you’re storing underneath. Taller, narrower bins work best in shallow cabinets, while wider, shorter designs suit deeper spaces. The right size depends on both your available cabinet dimensions and how much compostable waste your household produces daily.

Your choice of mounting method directly impacts how efficiently you’ll use your under-sink compost bin. Wall-mounting with adhesive hooks or screws provides the most secure, space-saving setup, keeping your bin firmly in place while maximizing floor space. If you’re renting or prefer flexibility, door-mounted options with adjustable hooks work excellently, accommodating various door thicknesses and allowing easy removal when needed.

Freestanding bins offer maximum flexibility, letting you reposition them as your kitchen layout changes—under sinks, on countertops, or in pantries without any installation. Consider bins with included mounting accessories like hooks and adhesive strips to simplify setup considerably, and note that many homeowners combine mounting methods, using wall-mounted bins for daily scraps while keeping freestanding containers as backup storage.

Effective odor control separates a pleasant composting experience from one that’ll drive you away from your kitchen. You’ll want charcoal filters as your first line of defense—they absorb and trap odors from decomposing food waste before they become noticeable. Look for bins with airtight lids and well-sealing designs that prevent smells from escaping into your surrounding space. Proper ventilation matters too, as bins with strategically placed air flow vents expel stale air while drawing in fresh oxygen, reducing odor buildup naturally.

Consider models constructed with antimicrobial materials that inhibit odor-causing bacteria growth at the source. Remember that even the best-designed bin requires your attention—you’ll need to commit to regular cleaning and maintenance to keep unpleasant smells under control consistently.

The material you choose determines how long your under-sink compost bin will last and how well it’ll perform under daily kitchen conditions. Stainless steel offers superior durability and rust resistance, making it ideal for humid environments. If you prefer something lighter, standard plastic bins clean easily but ABS plastic provides better impact resistance with less risk of cracking. Powder-coated steel combines modern aesthetics with corrosion protection, giving you style and longevity.

Pay attention to material thickness and quality—thicker construction withstands daily wear better. Your bin faces constant exposure to moisture, food waste, and frequent opening, so investing in quality materials prevents premature replacement and guarantees reliable performance throughout years of use.

Every time you scrape leftovers into your compost bin, you’re dealing with its lid—and this interaction happens multiple times daily, making lid design one of your most important considerations. You’ll want a lid that operates smoothly with one hand, especially when you’re juggling kitchen tasks. Lift-up lids offer quick access but often compromise on sealing effectiveness compared to sliding or twist-off designs.

For odor control, prioritize lids with airtight seals and built-in charcoal filters—these features prevent fruit fly invasions and contain smells. The best designs let you partially open the bin for quick disposal while keeping the main compartment sealed, minimizing odor release while maintaining convenience during meal prep.

Beyond choosing the right lid, you’ll need to think about how you’ll keep that bin fresh and sanitary over months of daily use. Look for compost bins with smooth, non-porous interior surfaces that you can easily clean with soap and water. Opt for models with removable liners or components that separate for thorough disinfection. Choose bins made from durable materials like stainless steel or high-quality plastic that resist staining and odor absorption.

Check that the filter or ventilation system can be easily accessed and replaced when needed to maintain effective odor control. Consider the bin’s shape and size to guarantee it fits conveniently in your sink or dishwasher, if the manufacturer recommends machine washing. These features will drastically reduce your maintenance time.

When you’re working with limited cabinet space, choosing a compost bin with a smart vertical design becomes essential. Under sink models feature slim, tall profiles that maximize storage capacity while minimizing their footprint. You’ll keep your counter space free for meal prep instead of dedicating it to composting. Look for bins with mounting capabilities that attach to cabinet doors or walls, letting you position your compost bin exactly where it’s most accessible without sacrificing valuable storage area.

The compact design doesn’t mean you’re compromising on capacity. These space-efficient bins tuck away discreetly beneath your sink, keeping composting convenient and your kitchen uncluttered. This flexibility proves particularly useful in small kitchens or apartments where every inch matters.

Good to Know

Frequently Asked Questions

You should empty your under sink compost bin every 3-7 days, depending on its size and how quickly you fill it. Don’t wait too long, or you’ll risk unpleasant odors and fruit flies invading your kitchen space.

You shouldn’t compost meat, you shouldn’t compost dairy, and you shouldn’t compost oils in standard bins. They’ll attract pests, create foul odors, and break down improperly. Stick to plant-based scraps for best results.

You can donate your compost to local community gardens, offer it to neighbors who garden, sell it online, or contact your city’s composting program. Many farmers’ markets also accept compost donations from residents.

Empty your bin completely, then wash it with hot soapy water and a scrub brush. Rinse thoroughly, spray with white vinegar to eliminate odors, and let it air dry before reinstalling. You’ll prevent bacteria buildup this way.

Yes, compost bins can attract fruit flies if not maintained properly. You’ll prevent pests by keeping your bin sealed tightly, emptying it regularly, avoiding meat and dairy, and layering food scraps with carbon materials like newspaper.

Found Your Match?

Whichever pick suits your space best, check the current price above — availability and deals change often.

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