Best Pre-purchase & Real Estate Engineering Inspections in Arizona Knapp and Associates Consulting Engineers offers the Best Pre-purchase & Real Estate Engineering Inspections in Arizona. Our inspection will include a visual inspection of the property, including a visual analysis of the exterior, interior, and site plan. George will give a verbal analysis, on the spot, reviewing the condition of the property, any observed structural deficiencies, and solutions to repair any deficiencies. Click here: https://knappandassoc.com/pre-purchase-inspections