Try big data from the MLS. At the very least, more supporting data. I use the single line view in the MLS to delineate the floors.
I am slammed today, but here is an example.
May have to expand to see:
Same building.
Floors 12-16
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Floors 6-9 The GLA is slightly smaller, so derive your GLA adjustment, say $200 psqft.
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Floor pricing has been the stumbling block for credibility with automated valuation models (appraisal replacement tools) used by banks and for services like Zillow. StreetEasy gets it right, in the way they display information - grouped by building so the patterns are apparent. Matthew Strozier...
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