How to Excel for Appraisers, Episode 7
Contributory Value Part 1
Learn to navigate the sales comparison grid from the perspective of contributory value.
Recorded Version
Aired on Friday, October 27th, 2023
*This training webinar is not approved for CE credit. It’s just great information and training created to make you better at your job.
In Episode 7 of our webinar series, How to Excel for Appraisers, we focus on Contributory Value.
You will learn to the navigate the sales comparison grid from the perspective of contributory value. In
the Cost Approach, contributory value is the same as depreciated cost. Contributory value can be
expressed in dollars or as a percentage of cost.
Why is this important to you?
1. The cost approach shows the percentage of cost paid in the market.
2. Replacement cost is an unbiased source of data, free from distortions that are possible in MLS
data.
In Part 1 you will receive a scatterplot that extracts the cost of one more square foot of GLA from
unbiased cost data. You will also receive an Excel grid template. Together we will work through a grid
example using depreciated cost adjustments.
Contributory Value 2 will show how to navigate the remaining grid categories using sensitivity analysis.
Course Instructor
Tim Andersen is an AQB Certified USPAP Instructor, consultant, and reviewer. He also does commercial real estate appraisal and Florida tax appeal work. He travels throughout the US teaching USPAP, and is an Approved Instructor for the Appraisal Institute. Have PowerPoint, Will Travel. Besides all facets of commercial real estate appraisal, other areas of expertise include writing, producing, and presenting webinars on all areas of real estate appraisal.
Specialties: Appraisal Institute member, designated as an MAI, Master of Science degree in Real Estate Appraisal , AQB Certified, USPAP Instructor, State Certified General Real Estate Appraiser, Instructor with the Appraisal Institute, Experienced Public Speaker
Course Author
Scott Cullen is a boots-on-the-ground Certified Residential appraiser from Minneapolis / St Paul with over 20 years of experience. He is a cofounder of Solomon, a suite of cloud-based calculators that help over 500 appraisers daily to quickly support their adjustments using the recognized technique of depreciated cost analysis.
His calculators come with licensed cost data built-in, making it easy and economical to support your sales grid adjustments. Beyond grid adjustments, Solomon supports other assignment results such as effective age, remaining economic life and site value.

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