Can a 20-year-old girl sign a lease in Delaware?

Yes, a 20-year-old girl can sign a lease in Delaware. In Delaware, the legal age to enter into a binding contract, including a lease agreement, is 18. However, it's important for her to ensure that she understands all terms and conditions of the lease before signing. Additionally, some landlords may have specific policies regarding renting to younger tenants, so it's advisable to check with them directly.