, maintain caulk in vinyl replacement window exteriors- With elderly cast-iron DWW system in place, ALWAYS be on the alert for comments about foul odors coming from drains/walls -- invaluable indicator that traps are siphoning/leaking out/cast iron is drying out/sewage gas is escaping.- Check for corner tears on screens- Monitor doorways for expanding corner cracks indicating accelerated/new settling.- Repeating @George W.'

I tell my subs who complain, “Dude-if I don’t 1099 you then I can’t claim the write off and then I’m paying your taxes”-they grumble but they get it.

The house does not smell, the carpet smells in one room kind of not pleasant but it has no dog poop , and in other rooms carpet does have some odor but not much.I used to live in dorms and carpet always smells ... 

Carpet holds stains, odors, and other unpleasant things.

Zinsser Mold Killing Primer is a water-based fungicidal protective coating that can be used to paint over and kill all existing mold, mildew, moss, fungi, odor causing bacteria and any other fungal organisms." 

House was clean and odor free despite the pets.  

If water doesn't penetrate to the inside you're golden.Does the basement feel damp, has musty odor?

We've always been able to get rid of ANY odor, eventually, no matter how bad, even if it meant refinishing floors with six coats of poly with vinyl flooring over it!

Only way to get rid of the odor is to replace subfloor-- can be costly.    

Sometimes the carpet will look brand new but the odor is overwhelming and you'll have to replace the carpet, the pad, and possibly even seal the subfloor.