The cost of snake removal in Watertown primarily depends on the kind of snake that has infested your home. It can also depend on the travel time of the professional that you hire, local rates, size of the snake and how difficult it will be to remove it. Venomous snakes like diamondback rattlesnakes are extremely dangerous. That’s why capturing and removing them is expensive. Non-venomous snakes are easier to remove and can cost less. However, there are non-venomous snakes like boas that can be very big and also risky to capture, making the cost of removing them expensive.