Brown sausage, onion and garlic in a skillet on top of the stove and drain.
In a soup pot on top of the stove, add sausage, onion, garlic, tomatoes, drained green chilies, chicken broth and water.
Drain and rinse the navy beans, kidney beans and black beans. Add the beans to the pot. Add salt, black pepper, chili powder, parsley, cumin and red pepper. Bring to a boil and turn to simmer. Cook for about 35 minutes.
Serve with your favorite shredded cheese on top.