Collective 31 Fully Renovated Office Building 550 SF – 2,660 SF Suites Fully renovated office building now available. Located along IL Route 31 directly across from Northwestern Medicine McHenry Hospital. Each suite with private bathroom and select suites with sinks or sink hook-ups. Ideal for professional or medical uses. Single suites range from 550 SF to 1,730 SF. There is also combined suite potential of up to 2,660 SF. See individual layouts for descriptions. High end finishes and common tenant lounge. Suite 6: Consists of 5 individual salon suites , laundry and bathroom. Each suite equipped with styling chair and washbowl. $950/mo. Gross per suite.