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Join us for comprehensive education, networking, and professional development. URISA and the IAAO partner together each year to provide a conference that assists assessment and appraisal professionals in visualizing how they can work more effectively through the use of technology.  Join us March 19/22, 2018  for the 22nd annual conference in Houston, Texas

Creating an attendee profile within Sched DOES NOT REGISTER you for the conference or specific workshops. You must register for the conference here.  Note that the number of attendees noted at the bottom of each workshop, event or session are simply those attendees that have created a personal schedule. It does NOT indicate the number of people who are actually registered. 
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Sessions: Modeling and Valuation Considerations [clear filter]
Tuesday, March 20
 

10:30am CDT

Urban to the Outskirts
This session will present information about managing locational attributes for urban and non-urban environments and everything in between.  Over the course of these two presentations, the speakers will cover commercial properties and the potential development of vacant land.

  • Florida Statewide Model Updates Commercial Property Market Values
    Patrick M. O'Connor, ASA, President, O'Connor Consulting Inc., Plano, TX
  • Modelling the Urban Fringe to Improve Valuation Equity
    Robert Babin, Data Analyst, MPAC, Kitchener, ON Canada
Moderators
avatar for Kevin Keene

Kevin Keene

Director of Mass Appraisal and Analysis, Office of Property Assessment - City of Philadelphia

Speakers
avatar for Robert Babin

Robert Babin

Data Analyst, MPAC
Robert Babin is a Data Analyst at the Municipal Property Assessment Corporation (MPAC). He holds a Bachelor of Environmental Studies and a Master of Arts in Planning from the University of Waterloo, where he developed the residential valuation sub-model and associated spatial variables... Read More →
avatar for Patrick O'Connor

Patrick O'Connor

President, O'Connor Consulting Inc.
Patrick O'Connor, ASA is an international leader in the field of Computer-Assisted Appraisal.  Mr. O’Connor is President of O’Connor Consulting Incorporated, which provides consultant services in ratio studies, market analysis and computer-assisted mass appraisal (CAMA) valuations... Read More →

Urban to the Outskirts pdf
Tuesday March 20, 2018 10:30am - 12:00pm CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations

1:30pm CDT

Relationships and Integration
The concepts presented during this session will demonstrate application of valuation models. Discuss solutions for valuation integrations with CAMA applications and then examine cluster analysis using the first law of geography that everything is related. 

  • Practical Applications of Cluster Analysis for Assessment Professionals
    Daniel J. Fasteen, Ph.D., CAMA/Systems Manager , Dakota County, Hastings, MN
  • Connecting The Market Approach
     Russ Thimgan, Thimgan & Associates, Goodyear, AZ
Moderators
avatar for Patrick O'Connor

Patrick O'Connor

President, O'Connor Consulting Inc.
Patrick O'Connor, ASA is an international leader in the field of Computer-Assisted Appraisal.  Mr. O’Connor is President of O’Connor Consulting Incorporated, which provides consultant services in ratio studies, market analysis and computer-assisted mass appraisal (CAMA) valuations... Read More →

Speakers
avatar for Daniel Fasteen, PhD

Daniel Fasteen, PhD

Director of Special Projects, BIS Consulting
Daniel J. Fasteen, Ph.D. is the Director of Special Projects for BIS consulting where he coordinates, designs, and implements analytical services and solutions for GIS and mass appraisal. Daniel has been in the property valuation profession since 2010 working for local government... Read More →
avatar for Russ Thimgan

Russ Thimgan

Analyst, Thimgan & Associates
Russ Thimgan started working in the Mass Appraisal field after graduating with a degree in Economics from Colorado State University. Russ’ extended experience in valuation modeling, coupled with his involvement in Ad Valorem Taxation since 1988, makes him a valuable asset in determining... Read More →

Tuesday March 20, 2018 1:30pm - 3:00pm CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations

3:30pm CDT

Managing Comparable Properties
This session will explore two different approaches to finding comparable properties. The presenters will re-examine how comparable selection can be defined and improved.

  • Standard Grouping of Properties For Mass Appraisal
    James Williams, MSc, CPE, Mass Appraisal Supervisor, Philadelphia Office Of Property Assessment, Philadelphia, PA
  • Finding the Best Comparables
    Russ Thimgan, Thimgan & Associates, Goodyear, AZ
Moderators
avatar for Danielle Simpson

Danielle Simpson

Senior Modeling Appraiser, Boulder County Assessor
I am the Senior Modeling Appraiser with the Boulder County Assessor’s Office in Boulder, Colorado. I have been a real estate appraiser since 2001 and joined the Boulder County team in 2004. I enjoy exploring real estate and modeling. Sharing real estate and mass appraisal information... Read More →

Speakers
avatar for James Williams, MSc, CPE

James Williams, MSc, CPE

Mass Appraisal Supervisor, Philadelphia Office Of Property Assessment
James has been with the Philadelphia Office of Property Assessment for 20 years and has held several positions that include Clerical, Residential Assessor, Analyst and now Mass Appraisal Supervisor. His Education includes a Bachelor’s Degree in Business Management, as well as a... Read More →
avatar for Russ Thimgan

Russ Thimgan

Analyst, Thimgan & Associates
Russ Thimgan started working in the Mass Appraisal field after graduating with a degree in Economics from Colorado State University. Russ’ extended experience in valuation modeling, coupled with his involvement in Ad Valorem Taxation since 1988, makes him a valuable asset in determining... Read More →

Managing Comparable Properties pdf
Tuesday March 20, 2018 3:30pm - 5:00pm CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations
 
Wednesday, March 21
 

10:30am CDT

Speaking the Languages of Mass Appraisal
The presentation will demystify PMML and Power BI by discussing why they are structured as they are.  PMML can be used to move attributes between platforms and Power BI is a powerful tool you are probably not using for data analytics.

  • Data Analytics with Power BI
    Alex Raju, CPE, City Of Philadelphia Office of Property Assessment, Philadelphia, PA
  • Demystifying Predictive Model Markup Language (PMML)
    David Whiterell, RES, CAMA Supervisor, Maricopa County Assessor's Office, Phoenix, AZ
  • Beyond PMML for Valuation Models: Model Deployment for Communicating Time Trends
    Jennifer Rearich , CAMA Regression Modeler, Maricopa County, Phoenix, AZ
Moderators
avatar for Carol Neihardt

Carol Neihardt

Project Manager, Tyler Technologies Inc

Speakers
avatar for Alex Raju, CPE

Alex Raju, CPE

Supervisor, Philadelphia Office of Property Assessment
Works with the City of Philadelphia - Office Of Property Assessment. From training, to data analytics, to data sciengineer, to modeling, to residential evaluation; he keeps seven of his fingers in various roles. Two he keeps reserved for new roles. One is left at home just in case... Read More →
avatar for Jennifer Rearich

Jennifer Rearich

CAMA Regression Modeler, Maricopa County Assessor's Office
Jennifer Rearich is a CAMA Regression Modeler at the Maricopa County Assessor’s Office (Phoenix, AZ). Since 2012, Jennifer has been exploring the realms of the assessment industry, including mass appraisal valuation modeling, GIS, and more recently, model deployment with several... Read More →
avatar for David Whiterell, RES

David Whiterell, RES

CAMA Supervisor, Maricopa County Assessor's Office
David Whiterell is the CAMA Supervisor for the Maricopa County Assessor’s Office CAMA Division. His Job is to manage the unit that develops and calibrates statistical valuation models using multiple regression analysis. David Has over 25 years of appraisal industry experience... Read More →

Speaking the Languages of Mass Appraisal pdf
Wednesday March 21, 2018 10:30am - 12:00pm CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations

1:30pm CDT

All About Land: From Traditional to Spatial
Examine problems inherent in land valuation, including attributes that effect value in both vacant and improved land. Learn about an approach and methodology that was implemented with great success in Philadelphia.
  • An Approach to Land Revaluation
    Kevin Keene,  Director of Mass Appraisal and Analysis, City of Philadelphia - Office of Property Assessment, Philadelphia, PA
Moderators
avatar for Leighann Chambliss

Leighann Chambliss

Chief Program Officer, Thimgan & Associates

Speakers
avatar for Kevin Keene

Kevin Keene

Director of Mass Appraisal and Analysis, Office of Property Assessment - City of Philadelphia

All About Land pdf
Wednesday March 21, 2018 1:30pm - 3:00pm CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations

4:00pm CDT

Challenges of Equalization - Defeating Outliers and Enhancing Representativeness
This session will expose property tax professionals to additional methods of creating ratio studies that are more representative of the distribution of values in a class or jurisdiction.  Sales non-disclosure laws often hinder the determination of ratio studies which could affect school funding.

  • Challenges of Equalization - Defeating Outliers and Enhancing Representativeness
    Alan Dornfest, AAS, Property Tax Policy Bureau Chief, Idaho State Tax Commission, Boise, ID
    Marty McGee, MS, State Assessor, State of Alaska, Anchorage, AK
Moderators
avatar for Patrick Santoso, GISP

Patrick Santoso, GISP

Director of Implementation, Axiomatic, a Catalis Company
Patrick is a founding shareholder at Axiomatic. He enjoys working with all levels of government and industry to solve complex business process challenges through resource optimization, application development, and GIS integration.Patrick is a recognized leader in land records administration... Read More →

Speakers
avatar for Alan Dornfest, AAS

Alan Dornfest, AAS

Property Tax Policy Bureau Chief, Idaho State Tax Commission
Alan S. Dornfest, AAS is the Idaho State Tax Commission’s property tax policy bureau chief.  He has been with the Commission for 41 years, supervising property tax policy and the Idaho ratio study and analyzing Idaho property taxes and property tax laws.  Alan currently serves... Read More →
avatar for Marty McGee, MS

Marty McGee, MS

State Assessor, State of Alaska
IAAO BIO Marty McGee is currently serving as the State Assessor for Alaska. Marty has spent 30 years in the real estate industry working from construction labor to the owner of a construction company, a licensed real estate agent, a commercial real estate appraiser and an assessment... Read More →

Challenges of Equalization pdf
Wednesday March 21, 2018 4:00pm - 5:00pm CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations
 
Thursday, March 22
 

8:30am CDT

Defining Depreciation and Equitable Value
Two Houston appraisers present solutions for valuing and reviewing property. They will discuss appraisal equity and development of effective age adjustments. 

Session Moderator: Alex Hepp, Cyclomedia

  • Comparision of Sold and Unsold Commercial Properties Using Mann Whitney Test
    Liz Hernandez, Analyst, Harris County Appraisal District, Houston, TX

  • Developing Effective Age Models
    Errol Williams, PhD, Residential Valuation Analyst, Harris County Appraisal District, Houston, TX
Moderators
avatar for Alex Hepp

Alex Hepp

Director Assessment, Cyclomedia Technology, Inc.

Speakers
LH

Liz Hernandez

Analyst, Harris County Appraisal District
I graduated from Economics from National University of Colombia. I graduated from Texas A&M and I have an MBA. I have worked for Residential, Commercial, and Appraisal Operation. I have 10 years of experience in the Appraisal field. I was real estate Agent in Bogota, Colombia. I... Read More →
avatar for Errol Williams, Ph.D.,

Errol Williams, Ph.D.,

Valuation Specialist, Harris County Appraisal District
Errol Williams is a Valuation Analyst with the Harris County Appraisal District (HCAD) in Houston, Texas. With more than 20 years of both commercial and residential appraisal experience, Dr. Williams’s primary responsible includes calibrating and testing of valuation models, and... Read More →

Defining Depreciation pdf
Thursday March 22, 2018 8:30am - 10:00am CDT
Sandalwood, 4th Floor
  Sessions: Modeling and Valuation Considerations
 
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Sunday, March 18
Monday, March 19
Tuesday, March 20
Wednesday, March 21
Thursday, March 22
Cottonwood, 3rd Floor
Dogwood, 3rd Floor
Holly, 4th Floor
Imperial Ballroom, 3rd Floor
Imperial East, 3rd Floor
Lucky Strike
Magnolia, 3rd Floor
Mesquite, 3rd Floor
Raintree, 4th Floor
Redbud, 3rd Floor
Registration
Sandalwood, 4th Floor
TBA
Willow, 4th Floor
Windowbox, 2nd Floor
  • Esri Learning Lab
  • Exhibit Hall Break
  • Hosted Lunch
  • Keynote
  • Meeting
  • Networking
  • Optional Service Project
  • Sessions: GIS Technologies
  • Sessions: Innovation in Administration
  • Sessions: Modeling and Valuation Considerations
  • Sponsored Lunch Session
  • Technology Showcase
  • Workshop
  • Popular