Dividing a house with a mortgage can be complex, but it's often necessary when couples separate or when siblings inherit property. The process involves several key steps:

1. Assess the mortgage situation: Determine the remaining balance on the mortgage, the equity in the property, and the financial situation of each party involved.

2. Negotiate a buyout: One party may choose to buy out the other's share of the property, either by refinancing the mortgage or by paying the other party directly.

3. Refinance the mortgage: If one party is keeping the house, they may need to refinance the mortgage to remove the other party's name.

4. Consider a short sale or foreclosure: If the property is underwater (the mortgage balance is higher than the property's value), a short sale or foreclosure may be necessary.

5. Legal and financial advice: Consult with a real estate attorney and a financial advisor to navigate the process and ensure all legal and financial aspects are handled correctly.

Dividing a house with a mortgage is challenging due to the financial and legal complexities involved. According to the American Bar Association, approximately 40-50% of all marriages in the United States end in divorce, and property division is one of the most contentious issues in divorce proceedings. Additionally, the National Association of Realtors reports that the median existing-home price in the U.S. was $356,700 in the first quarter of 2023, highlighting the significant financial stakes involved in dividing a house. Proper planning and professional guidance are crucial to ensure a fair and efficient division of the property.