A Special Assessment District (S.A.D.) is a geographic area in which the market value of real estate is enhanced due to the influence of a public improvement and in which a tax is apportioned to recover the costs of the public improvement.
Void, voidable, and unenforceable contracts: (1) A void contract is one without any legal effect from the beginning. (2) A voidable contract is one that a party may elect to avoid or ratify. (3) An unenforceable contract is one otherwise valid but for which some defense exists extraneous to formation.
Voidable contracts are valid agreements, but one or both of the parties to the contract can void the contract at any time. Contracts entered into when one party was a minor. (The law often treats minors as though they do not have the capacity to enter a contract.