Speaking just for my instituion
1. We review appraisals (including in-house evaluations) before the loan closes. The valuations and smaller appraisals just need to have the reviewer sign and date. The larger more complex appraisals will have a signed memo from the reviewer stating salient facts and whether the reviewer concurs. This memo is attached (stapled) to the front of the appraisal.
2. Our in-house valuations usually use the information from the county's property appraisers' website as a starting point. We do check comps since our county's PA site has a feature allowing searches by sales. We print out the comps and use those to adjust the final value for the property. The evaluation is reviewed and the reviewer signs off.
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"There should be a critical duration time after which it is perfectly acceptable to bite someone like a raptor." D. Shepherd