KMC property tax bills are often wrong. Here is how the calculation works, what to check, and how to formally challenge an incorrect assessment.
How KMC Calculates Property Tax
KMC property tax is based on the Annual Valuation (AV) of the property — an estimate of the annual rental value. The AV is determined by KMC assessors based on the location, size, construction type, and use of the property. The tax rate is then applied to the AV to produce the annual tax liability.
The AV system has been criticised for being opaque and inconsistently applied. Properties in the same building can have significantly different AVs based on when they were last assessed. Properties that have not been reassessed for many years often have artificially low AVs — until KMC reassesses them, at which point the tax can increase dramatically.
Common Errors in KMC Tax Bills
The most common errors we see are: wrong property size (KMC uses outdated records); wrong construction category (a renovated property being taxed at old construction rates); bills sent to the previous owner after mutation; and bills for properties that have been demolished or substantially altered.
How to Challenge an Assessment
If you believe your property tax assessment is incorrect, you can file an objection with the KMC Assessment Department. The objection must be filed within 30 days of receiving the assessment notice. You will need: the original assessment notice, documentary evidence of the correct property details (size, construction type, use), and a written statement of the grounds for objection.
We handle property tax objections and have successfully reduced assessments for numerous clients. The process requires knowledge of KMC's internal valuation methodology — something we have developed over decades of practice.
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