In culture, opium was often portrayed with a sense of mystery and unease surrounding it and it can be argued that this portrayal is what constitutes the popular image of opium use in the 19th century today.
As you can see, there is a range of costs ranging from $20,845 to $64,415 and price per square foot ranging from $28/sq ft to $50/sq ft. Over the last 10 basements that we have finished the average cost was $46,378 and the average cost per square foot was $38.90/ sq ft.
Average Finished Basement Cost. The cost of finishing a basement usually averages $25 to $50 per square foot but can go as high as $90 per square foot. That cost goes up and down a bit with the various factors that are relevant to cost. Location is one of them.