1. Confirm the reliability of the query results: First, you need to confirm whether the query results are true and reliable. You can verify the validity of the certificate through other channels, such as official website or telephone consultation. If the query results are consistent with the official information, the certificate can be considered valid.
2. Contact relevant departments: If you are not sure about the authenticity of the query results or have doubts about the validity of the certificate, you can contact Taiyuan Real Estate Management Bureau or relevant departments for confirmation. They can provide you with more accurate house authentication information and solve your problems with official seals.
3. Apply for formal proof: If you need formal proof of the house, you can apply for formal proof of the house with relevant documents (such as ID card and household registration book). ) Go to Taiyuan Real Estate Management Bureau or relevant departments and ask for the documents with official seal.
In short, if you encounter the problem of no official seal when you use your mobile phone to check the house certificate, you can handle it through the above methods. If you have any questions about the house certificate or need to further confirm its validity, you'd better consult relevant departments or professionals.