Who can I ask for identification of the house leaking?

You can find property service agencies and housing evaluation agencies. As for the cost, every place is different. Property management institutions Property management institutions include property management enterprises, owners' autonomous management organizations, administrative departments and relevant departments. Housing safety appraisal Housing safety appraisal is a scientific evaluation of housing safety by specialized agencies to ensure the safety of people's lives and property. Ways of Housing Safety Appraisal In reality, there are many cases where buildings are damaged due to improper use, but it is difficult to coordinate the protection of ordinary houses because they belong to different owners, which has laid a huge hidden danger for housing safety. Citizens who have doubts about housing quality appraisal and apply for appraisal may apply to the appraisal center for housing safety appraisal in the name of a single building owner through the community owners' committee; If there is no owners' committee, citizens can also jointly apply for house appraisal with all owners of the building where the house is located.

legal ground

Article 14 of the full text of judicial interpretation of commercial housing sales contracts

The interior construction area or construction area of the house delivered by the seller is inconsistent with the area agreed in the commercial housing sales contract. If there is an agreement in the contract, it shall be handled according to the agreement; If there is no agreement or unclear agreement in the contract, it shall be handled according to the following principles: (1) If the absolute value of the area error ratio is within 3% (including 3%), the settlement shall be made according to the price agreed in the contract. If the buyer requests to terminate the contract, it will not be supported; (2) If the absolute value of the area error ratio exceeds 3%, the buyer's request to terminate the contract and return the paid house price and interest shall be supported. The buyer agrees to continue to perform the contract. If the actual area of the house is larger than the area agreed in the contract, the buyer shall make up the house price at the agreed price for the part with the area error ratio within 3% (including 3%), and the seller shall bear the house price for the part with the area error ratio exceeding 3%, and the ownership shall belong to the buyer; If the actual area of the house is less than the area agreed in the contract, the part with the area error ratio within 3% (including 3%) and the interest shall be returned by the seller to the buyer, and the part with the area error ratio exceeding 3% shall be returned by the seller to the buyer twice.