As per Aaaron's comment, this is an actual and valid statement for the Assessors. in our county a re-inventory (reassessment) of the real property found approximately 200 un mapped parcels and about 400 homes not on the rolls. The net result was a chunky $1.5 Mill. in additional revenue. Such is the case with mapping in general. The ability to cross reference and then create workflows that include permitting, planning and zoning, utilities, etc., has brought up to date a lot of potential revenue for the county. We even found items that are assessed on the State level and they didn't know it was there.
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