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To separate property into smaller parcels for sale or borrowing purposes. People normally think of a subdivision as related to development of a residential area,but the definition is not that restrictive.
Example: A seller wishing to sell only a portion of a parcel of real property may have to apply for subdivision approval before the sale, including assignment of a new tax parcel identification number. Borrowers sometimes subdivide property so that a mortgage will be on only a specific improvement, such as a house, and the land reasonably necessary to support that improvement, rather than have a mortgage encumber more land than is necessary.