Home/In the house
Indoors, this is a search before it is a removal. Almost nobody calling knows where the animal is, and that is the normal starting position.
Which floor, which side of the building, how long it has been going on.
An animal indoors did not appear there. It came through a gap, went somewhere it could fit, and stopped. Those three facts narrow a house down faster than walking around sniffing, which is why you get asked about the house before you get asked about the animal.
A squirrel entering at a soffit corner rarely ends up in a basement. Something that got in at grade level rarely ends up in a roof. Once the likely entry is known, the places it could have reached from there are a short list, and that list is what gets checked.
A carcass sealed inside a wall or ceiling cavity, with nothing opening into it, cannot be removed without cutting the finished surface. Cutting plasterboard is not part of this service. What you get instead is the location, told to you as precisely as it can be established, so that you can decide what to do with that.
Most people, once they know it is a small animal in a dry cavity, decide to leave it. Some bring in a contractor to open and patch one spot. Either way the decision is better made knowing where the thing is, which is the part worth paying for.
If all you have so far is the smell, how a source gets traced covers what happens before any of this. If it turns out to be outdoors after all, that is a pickup instead. Indoor work is one part of dead animal removal across Canton, and the same number handles the rest.
Sometimes, and it turns on whether that stud bay opens into anywhere. Plenty do: a bay running up into the attic, or one visible from below where a basement ceiling is open framing. Where the bay is boxed in on all sides by finished plasterboard, nothing reaches it short of cutting, and whether to cut is the property owner’s call rather than the visiting operator’s.
Usually the most straightforward version of an indoor job. An attic is a space a person can enter, so the difficulty is finding the animal in the insulation rather than reaching it. The perimeter is the difficult stretch: headroom disappears under the slope of the roof well before the framing stops offering places to crawl into.
Whatever the body was resting against, and that much is not negotiable. Fluid soaks into insulation and cannot be cleaned where it lies. In practice it is a bagged section around the animal, not the attic.
That order of events points to an animal that found a way in, failed to find the way back, and died wherever it ended up. It also tells you roughly where to start, because animals stop moving near where they were last heard.
Finding it and reaching it are separate questions. Locating a carcass in a structure is done by working the building rather than the surfaces, and nothing gets opened to go looking. Whether it can then be reached depends on what opens into the space it is in.