1, the rental contract is valid without stamp. Because stamping and fingerprinting have the same legal effect. A legally established house lease contract shall come into effect when both parties sign, seal, print or meet the effective conditions agreed by the parties. However, unless otherwise provided by law or agreed by the parties.

2. Legal basis: Article 490th of the Civil Code of People's Republic of China (PRC).

If the parties enter into a contract in the form of a contract, the contract shall be established when the parties sign, seal or press their fingerprints. Before signing, sealing or fingerprinting, one party has fulfilled its main obligations, and the contract is established when the other party accepts it.

A contract shall be concluded in written form as stipulated by laws, administrative regulations or agreed by the parties. If the parties do not do this in writing, but one party has fulfilled its main obligations and the other party accepts it, the contract is established.

Article 49 1

The parties conclude a contract by means of letters, data messages, etc. It is also required to sign a confirmation letter, and the contract is established when the confirmation letter is signed.

If the information of a commodity or service released by one party through information networks such as the Internet meets the conditions of the offer, the contract is established when the other party successfully selects the commodity or service and submits the order, unless otherwise agreed by the parties.

Second, how to complain about renting a house?

1, a dispute between the leasing parties and the real estate agency, which can be solved by the Housing and Urban-Rural Development Committee or the real estate agency industry association;

2. if there is no intermediary company involved, it is only a dispute between the two parties to the lease. There is such a clause in the lease contract: dispute settlement. In case of any dispute during the performance of the contract, both parties shall first negotiate amicably. If negotiation fails, they can bring a lawsuit to the court where the house is located.