We in Fort Worth, Texas recently had our GIS parcel file created from CAD
based tax maps and linked to the assessor's tax records. The results were
disappointing in that the links between features and attribute records fell
far short of 100%. Now we are looking at undertaking an effort in-house to
correct the problems. I need to make a list.
My question is this: What problems have other cities encountered in their
efforts to link parcel features and assessor property records? I have noted
a few we're anticipating below. Any others to look out for?
1. Missing parcel polygons in the coverage.
2. Non-standardized legal descriptions in the database.
3. Non-standardized addresses in the database.
4. Missing records in the database (particularly government-owned
properties).
5. Property subdivided but never platted.
6. Property assembled but never re-platted.
7. Address of assessor's record is not the address assigned to the lot.
8. Streets vacated to adjacent owners but property never re-platted.
9. Highways cut through neighborhoods but never re-platted.
10. Roads widened but adjacent parcels never re-platted or assessor's
records updated.
11. Tax-exempt parcels/records historically ignored by the assessor are
out-of-date.
If anyone has time or cares to expound on unique solutions to any of the
above, that would be nice, but I don't want anyone to feel like I'm asking
for a free GIS implementation plan. Just need a heads-up on potential
roadblocks I may not have foreseen. Thanks all.
Phil Dupler
Senior Planner
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