Delaware real estate contracts must be:

Verbal contracts for real estate are not enforceable in Delaware. The Statute of Frauds explicitly requires written documentation for real property transactions to prevent disputes over such significant agreements.

Notarization is not a requirement for enforceable real estate contracts in Delaware. While notarization may be required for certain documents like deeds, it's not necessary for the initial contract to be binding.

Witnessing is not required for enforceable real estate contracts in Delaware. While witnesses might be present when signing, they're not mandated by law for the contract to be valid.