Coverage

Sarpy carries no tax figure

Sarpy County publishes no tax-billed amount, so a Sarpy analysis states the reduction in assessed value and stops there. It does not state a dollar saving, and it does not print a zero — a zero would be a claim, and a false one. Apply the parcel’s own levy to the reduction.

Sarpy has no quality rating

Douglas publishes a build quality and condition grade, which is what lets us drop cases where the subject is simply a better building than its comparables — about a fifth of otherwise-strong Douglas cases. Sarpy publishes neither, so that check cannot run there and an unknown share of Sarpy cases are ones a board would defeat on exactly that ground.

We would rather say so than price the two identically and let you find out.

Assessment history is lopsided

Sarpy’s portal publishes a long series — twenty-one assessment years — which is what makes a trajectory computable. Douglas publishes five. Both are enough for a review to show how an assessment has moved; only Sarpy is enough to compare that movement against a subdivision.

Douglas has no published subdivision key, and the grouping that would stand in for one has not been validated against this store yet, so a Douglas review states the parcel’s own growth and does not compare it. A peer figure on an unvalidated grouping would look like evidence without being any.

Not covered at all

• Sale prices in Douglas. The county publishes no sale history, so nothing here rests on comparable sales. Sarpy publishes sales back to 1980.
• Listings. No Multiple Listing Service data, by decision rather than by omission — see data sources.
• Building permits. Coverage is under 1% of the metro, so no analysis here uses them.