In general, whether one spouse can be held responsible for mortgage debt incurred by the other spouse during a legal separation depends on various factors, including state laws, the ownership structure of the property, and the circumstances surrounding the mortgage debt. Here are some considerations:

1. **Community Property States**: In community property states, debts incurred by one spouse during marriage are typically considered marital debts, and both spouses may be held responsible for such debts, regardless of which spouse incurred them. This includes mortgage debt incurred during a legal separation.

2. **Equitable Distribution States**: In equitable distribution states, courts may divide marital property and debts in a manner deemed fair and equitable, taking into account factors such as each spouse's financial contributions, earning capacity, and needs. Whether one spouse can be held responsible for mortgage debt incurred by the other spouse during a legal separation will depend on the specific circumstances of the case and the court's determination of equitable distribution.

3. **Separation Agreements**: Spouses may enter into separation agreements that outline how assets and debts will be divided during a legal separation. These agreements may specify which spouse is responsible for mortgage debt incurred during the separation period and can be legally binding if properly executed.

4. **Jointly Held Mortgages**: If the mortgage is held jointly by both spouses, both spouses are typically equally responsible for the mortgage debt, regardless of the legal separation. Each spouse remains liable for the full amount of the debt, and creditors may pursue both spouses for payment if the mortgage goes into default.

5. **Solely Held Mortgages**: If the mortgage is in the name of one spouse only, that spouse is generally responsible for the mortgage debt. However, in some cases, creditors may still pursue the other spouse for payment if the mortgage debt was incurred for marital purposes or if the property is considered marital property.

6. **Court Orders**: In some cases, courts may issue orders requiring one spouse to assume responsibility for certain debts, including mortgage debt incurred during a legal separation. These orders may be part of a separation agreement or divorce decree and are legally enforceable.

It's important for spouses to understand their rights and obligations regarding mortgage debt incurred during a legal separation and to seek legal advice from a family law attorney familiar with the laws of their state. An attorney can provide guidance on how to protect their interests and navigate the complexities of property division and debt allocation during separation or divorce proceedings.

In most cases, yes, one spouse can be held responsible for mortgage debt incurred by the other spouse during a legal separation, depending on the specific circumstances and the laws of the state in which they live. Here are some factors to consider:

1. Community property: In community property states (Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington, and Wisconsin), both spouses are typically responsible for debts incurred during the marriage, including during a legal separation.

2. Joint ownership: If both spouses are listed as co-owners on the property, they are usually jointly and severally liable for the mortgage debt, regardless of who incurred it.

3. Signature on the mortgage: If one spouse signed the mortgage agreement, they are typically responsible for the debt, even if the other spouse was the one who incurred it.

4. Court orders: In some cases, a court may order one spouse to be responsible for the mortgage debt as part of the legal separation or divorce agreement.

5. State laws: Some states have specific laws that hold both spouses responsible for debts incurred during the marriage, even if they are separated.

It's essential to consult with an attorney or financial advisor to understand the specific laws and regulations in your state and how they apply to your situation.