Why Hawthorne needs this specifically
Hawthorne’s converted bungalow basements are a common odor source — a slow leak in early-1900s clay or cast-iron plumbing can linger for months before it’s noticed upstairs.
What to know before you call
Persistent odor after cleanup usually means contamination remains in porous materials — see the sewage odor removal hub for the full source-identification process. See the full sewage odor removal breakdown →