Need Help Finding Land Value for Cost Segregation, Tucson AZ

[Keegan Schaub]

Hi, I have a home I just acquired and my accountant and I are having trouble finding an accurate 'land value' assessment for a cost segregation report. The county assessor has it as $502 but says that is a placeholder for all land values in the Pima County area.

Our next option is to find a RE professional who can perform a limited scope land appraisal by pulling land comps from the area. 

Is this the usual process to find land values in the Tucson, Phoenix area?? If so, are there any RE professionals on BP who can help me out with the land appraisal comps?

Thank You