July thunderstorms build over the Hudson and cross Halfmoon in twenty loud minutes, and afterward everything green comes back twice as fast. Marin Property Services works that growth back into shape week after week — mowing, string trimming, edging walks and bed lines, holding lawns even through the wettest stretch of summer. There is a particular quiet in a yard just finished, clippings blown off the drive and the mower lines still fresh. Spring and fall the job shifts to cleanups: the lawn opened up in April, cleared down again in November. Lawn care and grounds upkeep for Halfmoon and the towns around it.