- The Grand Rapids office market continued to see strong fundamentals in Q2 2019, with market-wide vacancies falling to 9.3% and average asking rents increasing 6.4% year-over-year to $19.18 per square foot. Renovations of 37 Ottawa were completed, providing 90,000 square feet of new Class A space downtown. Spectrum Health announced plans to consolidate several leases into a new building by 2022, while other companies made moves within the market.