Mountlake Terrace Property Assessment Appraisals: Dates and Evidence
Short answer: Learn when a Mountlake Terrace residential appraisal may support a property assessment petition, which value date applies and what evidence to prepare.
What can a Mountlake Terrace assessment appraisal address?
A residential appraisal can develop an independent opinion of market value for the subject property as of the assessment date. It does not challenge the tax rate, levy or amount of the bill, and it does not guarantee that the Board will change the assessor’s value. The Board weighs the complete petition record.
Which date controls the value question?
Washington assessments are tied to a January 1 assessment date. Confirm the assessment year shown on the notice before ordering. A report using today’s value may not answer a historical January 1 question. Provide records showing the home’s characteristics and condition on the relevant date.
What is the filing deadline?
Snohomish County uses the later of July 1 of the assessment year or 60 calendar days after the value notice. Check the current notice and Snohomish County Board instructions before relying on a deadline. Ordering an appraisal does not pause or extend it, and the appraiser does not file the petition or provide legal representation.
What evidence should accompany the request?
Send the value notice, parcel number, assessed value, value you believe is supportable and the reason. Add dated photographs, plans, permits, prior listings and records of damage or incomplete work when relevant. Snohomish County property records can help verify parcel and assessment facts.
What local detail matters in Mountlake Terrace?
Mountlake Terrace building and public-record resources may document permitted changes. Pair those records with the county parcel and the January 1 condition relevant to the assessment year; later work should not be backdated. Mountlake Terrace building permits is a useful records starting point. Public records inform the analysis but do not prove every improvement is permitted or determine its market contribution.
What should you send for a quote?
Provide the address, parcel number, assessment year, notice date, filing or hearing deadline, intended users and access arrangements. Mention multiple parcels, accessory units, significant condition issues and any existing report. Alpha Appraisal serves residential assignments in King, Snohomish and Skagit Counties. Fee and timing depend on the agreed scope.
Call 425-753-1971 or email dustin.labrasseur@gmail.com.
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Revised October 8, 2026.
