Four Townhouses Logic Puzzle

Logic Level 3

Aaron, Calvin, David, and Peter each live in one of 4 adjacent townhouses in a row, each of a single color. Each owns one pet and imbibes one kind of drink.

  1. Aaron owns the dog.
  2. The bird lives in the red house.
  3. Calvin lives in the blue house.
  4. David does not live in the red house.
  5. The cat lives where the milk drinker lives.
  6. Either the fish lives next to the cat or the bird lives next to the coffee drinker.
  7. If the dog lives in the green house, then the cat lives next to the blue house.
  8. If Peter owns the fish, then either Calvin owns the bird or else David owns the cat.
  9. The tea drinker lives two houses away from the coffee drinker.
  10. The red house resident drinks water if and only if the yellow house resident drinks milk.

Who owns the fish?

Note: Color of residences as shown in photograph have nothing to do with this problem. Also, any pet "owned" is presumed to live in the same place as the owner lives.


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