Understanding your WOZ value: How the government calculates your home's worth
Your home's WOZ value affects your taxes, but it may not match current market prices. The government uses a fixed process to ensure fairness, though it can seem outdated due to rapid market changes. Here’s what you need to know.
| Key Fact | Details |
|---|---|
| Reference Date | January 1 of the previous year (not current market value) |
| Basis for Calculation | Sale prices of comparable homes and property data |
| Oversight | Independent body (Waarderingskamer) ensures compliance with legal rules |
| Purpose | Used for local tax assessments (e.g., property tax) |
| Issuing Body | SVHW (municipal tax authority) |
The SVHW is responsible for determining the WOZ value of properties in its municipality, which directly impacts local tax assessments. This process is governed by national regulations and overseen by an independent body to ensure accuracy and fairness.
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WOZ Value and Housing Market
Many people compare their WOZ value with media reports, CBS figures, the sale price of their neighbors' homes, or the current housing market. This can make it seem like the WOZ value is incorrect. This is because SVHW determines the WOZ value differently than people expect. SVHW levies and collects local taxes for our municipality.
The WOZ value is not an arbitrary number. There is a careful process behind it involving data collection, calculation, verification, and independent oversight. This way, you can trust that your WOZ value is determined in a correct and fair manner.
The WOZ value follows a fixed reference date
SVHW determines the WOZ value based on a fixed reference date: January 1 of the previous year. They do not look at today's value or current housing prices. Since the housing market can change quickly, the WOZ value may differ from what you see in your neighborhood or hear in the news.
The WOZ value is a calculated and verified market value
The WOZ value is not an estimate based on feeling, but a calculated market value. SVHW uses data about your home and sale prices of comparable homes in your area. With this information, they make as accurate a calculation as possible using valuation models.
It remains an estimate of the market value on the reference date, but one that is based on facts, market data, and checks.
SVHW works according to fixed rules and is under supervision
When determining the WOZ value, SVHW follows national legal rules and fixed procedures. In addition, SVHW itself controls the quality of the valuations. The Waarderingskamer, as an independent supervisory body, also supervises the work. This organization assesses whether municipalities determine the WOZ values carefully and according to the rules. Only when the quality requirements are met, may SVHW publish the WOZ values.