What if the traditional one-step CAMA approach is the root cause of the appeals tsunami?
We’ve been
building a better way.
In Sessions 4A
and 4B, we demonstrated the complete Double-Entry Mass Appraisal (DEMA™)
protocol:
· First
Entry (Sales-Based Modeling): Builds the tentative roll with econometric
soundness (BLUE status) and IAAO compliance.
· Second
Entry (Population-Based Equalization): Cleans the roll by identifying and
correcting population-level distortions before it is finalized.
This two-sided
ledger approach — DEMA™ — is the true Nirvana of modern mass appraisal:
proactive equity instead of reactive defense.
Session 4C, the grand finale of Phase 1, will
deliver the final Champ-Challenger showdown between the Central Taxing District
and the Town Taxing District. This direct comparison will identify the major
faultlines when the jurisdiction roll is generated by two separate models
(in-town vs. suburbs). 4C will complete our end-to-end DEMA™ solution next week.
To
read Session 4B and run the DEMA™ Protocol on your own database:
If you work in
assessing, serve on a VAB or Review Commission, or consult in this space, DEMA™
offers a practical path to stronger rolls and fewer appeals.
Tag colleagues
who should see this series:
#DEMA #CAMA #IAAO
#MassAppraisal #PropertyAssessment #ValuationModeling #VAB
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