On average, listings lease in the $10's per square foot per year. The Beachwood region is experiencing a decline in rates. In the last 3 months, the median rate decreased $4 per sqft per year. That's a 18% decline in rent.
In the last 90 days, 16 listings have been listed, which means office spaces most likley are going fast. You'll want to be prepared to tour spaces as quick as possible. About 75% of the available space in the Beachwood are subleases, so you might be able to sign a shorter term by taking over a previous lease. There aren't many listings below 2,000 square feet posted, so finding a space for a small business might be tough.
The standard measurement for office space in this area is around 1,530 sqft. Most buildings in this region are close to 2 floors. Most buildings in this area were built in 1979 and are Class B.