Yes. The property belongs to you guys and it is appropriate for it to be detailed in your decree of dissolution.
This is not legal advice.
Yes, the court in Washington will most likely sign off on the final agreed divorce decree including the division of property in Mexico. You should note however that the Washington court does not have jurisdiction over property in another country or another state for that matter. And Mexico will not automatically recognize a court order from this state. The only way to ensure that the property in Mexico is legally owned by the party awarded the property as part of the Washington divorce decree, is to complete whatever legal documents are required in Mexico to transfer ownership.
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