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County Assessor

The St. Louis County Assessor's Office is responsible for accurately classifying and valuing all property in a uniform manner. We are committed to treating every property owner fairly, and to providing clear, accurate and timely information. We look forward to serving you.

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Contact Information



41 South Central Avenue, 3rd Floor Clayton, MO 63105

Monday - Friday 8:30 AM - 4:30 PM