Commercial investments in the city are on the rise, Brookhaven’s building inspector said. At the Oct. 6 meeting of the Board of Aldermen, Daniel Redd shared revenue numbers generated from his office for the past fiscal year, which ended Sept. 30. Redd said his department generated just over $67 million, which includes permit revenue, construction valuation of new businesses and payments for demolition of neglected properties. “So we had a lot o…