Layer Estimates:

Layer: Buildings (ID:0)
Count: 32155
Extent:

XMin: -12374638.0163978
YMin: 5711490.21896994
XMax: -12350832.7282979
YMax: 5740619.38359024
Spatial Reference: 102100 (3857)

Layer: County_Boundaries (ID:1)
Count: 56
Extent:

XMin: -12918537.1904251
YMin: 5520999.70566375
XMax: -11581641.5865175
YMax: 6275048.63859201
Spatial Reference: 102100 (3857)