KEENE MASS APPRAISAL RESOURCES PAGE

Free Resources

Racial and Social Equity in Assessments Part 1

There is a perception that many jurisdictions currently over-assess or overtax the poor and communities of color. There are many, especially in the academic community, who consider this statement to be true without argument.

Racial and Social Equity in Assessments Part II — Conducting Meaningful Analysis

Understanding that the valuation process is producing undesirable bias is the first step in uncovering the cause(s) of observed bias. How can we actually determine the degree to which assessments are biased? Our way of proceeding should be with attitude of open-minded curiosity.

Racial and Social Equity in Assessments Part III — Remediation and Correction

If statistical analysis, visualizations and root cause analyses indicate that bias is present, what can be done to address or correct the problem? The answer is dependent on the extent of the indicated bias — systemic or anecdotal — and the cause(s) or source(s) of bias.

Intro to Basic Modeling Fundamentals 101

A presentation that explains how regression models work; what you need to build them and how to evaluate performance.

One Model or Many Models

Examination of the issues and decision points that will allow you to determine the best approach to meet your needs.

Real Property Assessment from the Viewpoint of Racial and Social Equity

Defining the Problem: an in-depth article that defines inequity in assessments and examines the entry points for bias; why analysts frequently mis-diagnose the problem and how to defend against allegations of bias.

Read the article on Medium 〉

Valuation of Multi-Purpose Buildings

Presentation of a method for using income models to estimate values for large buildings that contain more than one type of space or use.

Custom Market Area Delineations

A presentation about why everyone should be using custom defined location attributes; demonstration of a successful implementation; and how you can create your own custom defines locations.

Finding the Secret Sauce

An examination of the use of model specifications, transformations or coefficients from one market to another. Much of the discussion is around the uniqueness of each market, and the need to understand how the relative importance of attributes, market dynamics and the relationship between model constants and adjustments make present difficulties in using model written for one market in a different market. This presentation is being given at GIS/ValTech 2023, the IAAO Mass Appraisal Research Symposium 2023 and the IAAO conference 2023.

Philadelphia Mentoring Program Information and Application

Read it on Medium 〉

Garbage in - Garbage Out by Jennifer Rearich of Maricopa County AZ

An article about the importance of establishing and maintaining data quality.

Read the article on Research Exchange 〉

Tax Year 2019 Methodology

An article documenting the mass appraisal process and methodology for a revaluation project in Philadelphia. An example of forward-facing documentation.

Read the article on phila.gov 〉

More Assessment information

IAAO.org

More about GIS

URISA.org

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