Safety first:Suspect natural gas, smoke, fire or an active CO alarm? Leave the area and follow local emergency guidance before troubleshooting. Gas / rotten eggsSmoke / burning
Odor family

Urine Smells

Urine-like odor is usually a localization problem: exterior toilet surfaces, grout, caulk, flooring or contaminated material. If moisture returns after flushing, move from cleaning to leak inspection.