Assessment Appeal Appraisals Across Three Washington Counties

An independent home appraisal may support assessment evidence. Filing rules, valuation dates and report scope must be checked for the property’s county.

Find the county before choosing a process

King, Snohomish and Skagit each publish Board of Equalization instructions. Start with the notice and its county, not a general online checklist. A city name or postal address may not identify the correct jurisdiction, particularly near county boundaries.

Explain the disagreement precisely

State whether you believe the property record is wrong, the historical condition was overlooked or the market value conclusion is unsupported. Provide the relevant documents. An appraisal does not necessarily agree with the owner’s proposed value and should not be ordered on a guaranteed-reduction basis.

Keep the filing responsibility explicit

A valuation engagement does not automatically include preparing a petition, acting as a representative or providing testimony. Discuss any additional services and deadlines before engagement. The owner should confirm official filing requirements even while the report is being prepared.

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.

Residential appraisal review · Historical-date appraisal guide · King County residential appraisals · Request an appraisal quote

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

Revised October 8, 2026.