Property Tax Assessment and Private Appraisal: Different Roles

The county assessment and a private residential appraisal have different roles. A private report may support evidence but does not replace the tax assessment.

Who establishes the assessed value?

The county assessor administers the property valuation used in the tax system. An owner’s private appraisal develops an independent opinion for a defined assignment. It should not be described as issuing the official assessment or setting the property’s tax bill.

Do not mix review, inspection and mass appraisal

Inspection describes how property information is collected. Appraisal review examines another appraisal’s work. Mass appraisal addresses groups of properties. Those concepts are not interchangeable report choices that a homeowner selects to calculate taxes.

Prepare safely for the agreed scope

Ask which parts of the residence need access and provide condition and improvement records. Do not assume attic entry or access to every outbuilding is required for every assignment. Discuss unsafe or inaccessible areas so the scope and limitations are clear.

Which date and authority apply?

The report must address the assessment’s relevant valuation date, which can differ from the inspection and report dates. The county’s appeal authority decides the petition. An informal record inquiry, private appraisal and formal petition serve different functions; check the official requirements for your notice.

What outcome can be promised?

An independent appraisal supplies a supported residential value opinion. It does not set tax rates, award exemptions or guarantee a changed assessment or lower bill. Ask the county about filing requirements and the appropriate adviser about legal or tax questions.

What should accompany a quote request?

Send the property address, purpose, requested effective date, intended users, deadline and access contact. Describe the assessment notice, parcel and disputed property facts. Mention acreage, accessory units, multiple parcels or unusual features so scope, fee and availability can be confirmed.

Official reference: Property or assignment reference · Property or assignment reference · Property or assignment reference · Property or assignment reference.

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Call 425-753-1971 or email dustin.labrasseur@gmail.com.

Revised October 8, 2026.