If the owner has a problem finding a property, no matter what the property does.

No matter what, keep the evidence, audio and video of property.

Then pay for it yourself, and the money will be deducted from the property fee.

Then wait for the property management company to sue you.

Will not lose,

Because in the property contract, it is stipulated that sewer dredging is the responsibility of the property company.

Unless the property has evidence that the blockage is your family's responsibility.