Market Value vs Assessed Value
Two different numbers that measure different things — and confusing them is one of the most common sources of frustration.
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What It Means
Market value is what a property would likely sell for between a willing buyer and a willing seller under normal conditions on a given date. Assessed value is a statutory number derived from market value by applying the assessment rate for the property's classification.
The assessor's estimate of market value is also tied to a statutory valuation date and data period, which means it may lag or lead current market conditions rather than tracking them in real time.
02
Why It Matters
An appeal is generally about whether the assessor's estimate of market value as of the statutory date is supportable — not whether you believe the property is worth more or less today.
Understanding the distinction helps you evaluate whether market evidence actually contradicts the assessment, or simply reflects a different point in time.
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Common Misconceptions
- "My assessed value is lower than market value, so I'm getting a deal." Assessment rates are applied by statute; a lower assessed value is expected, not a discount.
- "My home appraised for less than the assessed value, so the appeal is automatic." An appraisal is useful evidence, but its effective date and purpose have to align with the valuation period at issue.
- "Assessed value determines my sale price." Buyers and lenders rely on market evidence and appraisals, not on the assessor's figure.
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Questions to Ask
- What is the statutory valuation date for this assessment cycle?
- Does my market evidence fall within the assessor's data period?
- What assessment rate applies to this property's classification?
- How does the assessor's estimate of market value compare with recent sales?
- Would a current appraisal be persuasive for this appeal, or is sales data stronger?
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Related Reading & Resources
The most successful real estate decisions often involve collaboration between several professionals working toward the same goal. Understanding each person's role helps you ask better questions and make more confident decisions.
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Other Appeal Topics
- Understanding Property AssessmentsHow county assessors arrive at a value, and what the notice you receive in the mail actually represents.
- Agricultural ClassificationClassification can affect taxes more than valuation does, particularly on land and ranch properties.
- Commercial Property ValuationIncome-producing property is valued differently, which changes what evidence an appeal needs.
- Comparable SalesSales evidence is the backbone of most residential appeals — but not every recent sale is comparable.
- Filing an AppealThe first step is usually a protest to the assessor, and the deadline is the part that cannot be fixed later.
- Board of Equalization HearingsThe county-level hearing where evidence is presented after an assessor protest is denied or partially granted.
Questions About Your Property Assessment?
Property taxes are one of the ongoing costs of owning real estate. If you're evaluating a purchase, reviewing an assessment, or considering an appeal, I'd be happy to help you understand the process, identify the questions worth asking, and connect you with local resources as you explore your options.
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