The Cleveland 4th 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 4th Quarter 2025 vacancy rate is 8.5%, decreasing 0.05% from the 3rd Quarter 2025 and decreasing 0.1% from the 4th Quarter 2024.
The Lake County market contains approximately 5.5 million square feet in 476 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%, remaining the same as the 3rd Quarter 2025 and increasing 1.3% from the 2.5% rate of the 4th Quarter 2024.
According to the CoStar data, 2.6% of the office space in the City of Mentor is vacant, which is an increase of 0.2% from 3rd Quarter 2025 and a decrease of 0.7% from the 4th Quarter 2024 adjusted vacancy rate. The largest available spaces are 8339 Tyler Blvd. 12,515 square feet, 9500 Mentor Ave 10,687 square feet, and 6990 Lindsay Drive 7,101 square feet.