AP
Arborist Podcast

Tree Appraisal: Mastering the Cost Approach & LCANT (Ep6)

April 12, 2026·4 min
Episode Description from the Publisher

What is a tree actually worth? Move beyond the "wholesale shopping list" and learn how the Principle of Substitution and LCANT drive the professional Cost Approach in tree appraisal.In Episode 6 of our Tree Appraisal series, we break down the mechanics of the Replacement Cost Method. For arborists preparing for the ASCA TPAQ or ISA BCMA exams, understanding the "Principle of Substitution" is the bedrock of a credible report. We define the LCANT (Largest Commonly Available Nursery Tree) and explain why this regional data is the "fuel" for your valuation engine. You’ll learn how to conduct a proper nursery survey and why documenting your data source is the only way to remain "untouchable" during a legal deposition.We also settle the industry debate on "Installation Costs." A tree in a burlap bag is not a substitute for a tree in the ground. We explore why labor, equipment, site restoration, and the Cost of Care during the establishment period are integral parts of the Direct Cost, not optional add-ons. Finally, we define the "Great Divide": knowing exactly when a tree’s size dictates a shift from the Replacement Cost Method to the Trunk Formula Method (TFM). If you want to provide a defensible monetary value that reflects the reality of the marketplace, this deep dive into nursery-to-landscape logistics is essential.What You Will Learn:The Principle of Substitution: Why it limits the value of an asset.How to determine your local LCANT (Largest Commonly Available Nursery Tree).Why "Planting is NOT an additional cost"—it is a core replacement cost.Factoring in the Cost of Care and establishment periods in your math.The "Great Divide": When to use Replacement Cost vs. the Trunk Formula Method.What is the LCANT in your neck of the woods? Is it a 2-inch container tree or a 4-inch B&B specimen? Let’s map out the regional differences in the comments! Subscribe for Episode 7, where we tackle the "Big Math" of the Trunk Formula Method.#Arborist #TPAQ #TreeAppraisal #ConsultingArborist #LCANT #TreeValue #CostApproach #ISA #ASCA #TreeCare #10thEdition #UrbanForestry #ArboristLife #LandscapeArchitecture #ProfessionalDevelopment

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