You mark your stuff by putting your name on it; your dog marks theirs with urine. Use techniques for housetraining an adult dog to modify your dog's marking.
How to stop territorial dog. When people notice that their dog has been marking around the house, Secrets To Housebreaking Adult Dogs.
Knowing how to stop a dog from marking inside is a tricky task. For many dogs, there's a few simple "tricks" you can try.
This often starts happening in adolescence as dogs mature. Urine marking can occur in both male and female dogs of any age, although it is.