1 Declawing a cat using one of the two common conventional methods usually costs between $100 and $250, depending on the veterinarian and which procedure is used.2  The Rescoe clipper method is more common and usually falls at the lower end of the cost range because it is a simpler procedure and takes less time. The Disarticulation method, which is more involved, usually falls at the upper end of the range. 2  Declawing a cat using the laser method usually costs between $250 and $450, depending on the veterinarian.