How to Compost in a Small Apartment

You can compost in any apartment using a countertop bin, under-sink container, or balcony tumbler to turn kitchen scraps into nutrient-rich soil for plants.

  1. Pick Your Composting Style. Pick the system that fits your space. Countertop composters work for studio apartments and process scraps in 4-6 weeks. Under-sink bins handle more volume and stay hidden. Balcony tumblers are perfect if you have outdoor space and want faster results. Electric composters are priciest but fastest, turning scraps into compost in 24 hours.
  2. Position for Success. Place your chosen container in a convenient spot near your kitchen prep area. For countertop bins, keep them away from direct sunlight and heat sources. Under-sink containers need good ventilation, so leave cabinet doors slightly open occasionally. Balcony composters should sit in partial shade to prevent overheating.
  3. Layer Browns First. Begin your compost with dry brown materials that provide carbon. Shredded newspaper, cardboard pieces, dry leaves, or coconut coir work perfectly. Fill about one-third of your container with these materials. This creates the foundation and helps prevent odors while your compost establishes.
  4. Add Greens Strategically. Layer in nitrogen-rich green materials like vegetable peels, coffee grounds, eggshells, and fruit scraps. Chop large pieces into smaller bits to speed decomposition. Maintain a 3:1 ratio of brown to green materials. Avoid meat, dairy, oils, pet waste, and diseased plants which can attract pests or create health hazards.
  5. Keep Balance Constant. Your compost should feel like a wrung-out sponge. Add water if it seems too dry, or brown materials if too wet. Turn or mix contents every few days to provide oxygen, which prevents anaerobic conditions that cause bad smells. Most small apartment composters have built-in aeration systems or require simple stirring.
  6. Diagnose and Fix. Check your compost weekly for proper balance. If it smells bad, add more brown materials and turn more frequently. If nothing seems to be breaking down, add more green materials or a compost activator. Small flies usually mean the compost is too wet or you added inappropriate materials.
  7. Reap Your Black Gold. Finished compost looks dark and crumbly like rich soil, with no recognizable food scraps remaining. This typically takes 2-6 months depending on your method. Screen out any large unfinished pieces and return them to your active compost. Use the finished compost for houseplants, herb gardens, or share with gardening friends.