
The Cleveland 3rd Quarter 2025 Office Market Report compiled by CoStar tracks approximately 147 million square feet of office space in 8 counties (Ashtabula, Cuyahoga, Geauga, Lake, Lorain, Portage, Medina, and Summit). The 3rd Quarter 2025 vacancy rate is 9.0%.
The Lake County market contains approximately 5.5 million square feet in 479 buildings of which Mentor accounts for approximately 1.7 million square feet (or 30% of the total). The Lake County market vacancy rate is 3.8%, increasing 0.2% from the 3.6% rate of the 2nd Quarter 2025; and decreasing 0.4% from the 3.4% rate of the 3rd Quarter 2024.
According to the CoStar data, 2.4% of the office space in the City of Mentor is vacant, which is a decrease of 0.5% from the 2nd Quarter 2025 vacancy rate and a decrease of 0.7% from the 3rd Quarter 2024 adjusted vacancy rate. The largest available spaces are 8339 Tyler Blvd. 12,515 square feet, 9500 Mentor Ave. 10,884 square feet, and 9853 Johnnycake Ridge Rd. 9,801 square feet.