Colorado Porch

San Luis Valley

An Alamosa County notice of valuation is not the tax bill

A Porch Note from Colorado Porch — plain-English local details for all 64 Colorado counties.

A notice of valuation arrives looking official enough to mistake for a bill, but it is not asking for money. It states the actual value the assessor has assigned to the property, and it tells the owner about the right to appeal that value. Nothing on it is the final tax you owe.

Value and tax are linked but not the same thing, and that gap is where the confusion lives. The assessor handles value and classification. Separate taxing entities set their mill levies, and the treasurer collects the tax only after the bill itself is produced. The notice is a snapshot from the first step in that chain, not the last.

What you do with it depends on what looks off. If the value seems wrong, gather facts about the property and take them to the Assessor’s Office during the proper protest window, while the door to appeal is still open. If a later tax bill is the puzzling part, the Treasurer’s Office can break down which districts and charges add up to the total.

Buyers can read the notice as a useful clue about how the county sees a property, especially its value and class. Just don’t treat it as a promise about next year’s bill, because the levies that finish the math have not been set yet.

Sources

Official or primary sources used for this note. Local details can change, so confirm before acting.

Reviewed: June 23, 2026 Alamosa County Assessor

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