If 4203 West Friendly Avenue just sold for $110,000, why was Guilford County's Tax Assessment $82,800 higher?

Tax Assesment Value - $192,800, which was $220,000 before the appeal

Sales Price - $110,000

Difference - $82,800, 
for a 1,621 Square Foot Home

At $220,000, Guilford County 
accessed the property 
at $136 per square foot.

 Tax revaluation raises questions



Another Guilford County Real Estate Metric
that does not comport with the County's 2012 Real Estate Tax Revaluation

George Hartzman at City Council
Explaining Problems with County Real Estate Revaluations

Highly unusual 2012 Guilford County, NC Real Estate Revaluation Outcomes
Relative to the County's 2012-13 Budget

On Guilford County and City of Greensboro Property Revaluations:
Some numbers that have not been refuted since June 13, 2012