New Milford’s Zoning Commission has again denied contractor Nick Stauder’s request to operate his masonry supply yard on Bucks Rock Road, marking his third failed attempt to legalize the business in a residential zone. Stauder, owner of North Stone Landscaping, argued the property should qualify as a grandfathered construction site dating back to the 1970s. Town officials disagreed, citing unpermitted work and zoning violations. It’s unclear if Stauder plans to appeal the latest decision in state court.