East of downtown Waldoboro in Lincoln County, SR 235 begins at an intersection with Atlantic Highway in an area surrounded by forest. It heads north along Union Road passing some houses along the way. Between the settlements of Benner Corner and Whitney Corner, the road enters the town of Warren in Knox County and starts to head towards the east. At an intersection with Western Road, SR 235 turns north and heads through a clearing overlooking Seven Tree Pond. It enters the town of Union and passes several farms while continuing to skirt the pond. North of the pond, Depot Street enters the center of Union. At a stop-controlled intersection with Common Road, a post office, a general store, and a small park known as The Common surround the road. Heading north out of the downtown area, after a sharp jog in the road around a store, SR 235 comes to an intersection with Heald Highway which carries SR 17 and SR 131. The three routes join a concurrency and head east passing some businesses. After SR 131 exits the highway towards the south, SR 17 / SR 235 continue east passing a school, a hardware store, and many houses. Near the settlement of East Union, SR 235 breaks off of Heald Highway and heads north along Buzzel Hill Road. After exiting SR 17, SR 235 heads through the center of East Union. The settlement consists of many houses and a social club. After entering the town of Hope, the road heads near the western shorelines of Lermond Pond and Alford Lake. It then climbs to the top of Gurney Hill and at an intersection with Barrett Hill Road and Gurney Hill Road, SR 235 makes a sharp bend to the northeast. The road, now named Hatchet Mountain Road, heads along rolling terrain and passes north of Alford Lake. It makes two sharp curves to pass south of Hatchet Mountain before entering the center of Hope. At the town center, it reaches an intersection with SR 105 and the two routes head southeast, concurrently, along Camden Road. Through the town center, the road passes the town hall, an orchard, and some houses. Heading further away from the town center, it enters more wooded areas. At a bend in the road known as Grants Turn, SR 235 leaves SR 105 / Camden Road to head north on Hope Road. The road enters Lincolnville, Waldo County and heads around the west and north sides of Megunticook Lake. After passing the lake, it enters the section of the town known as Lincolnville Center. It passes the town hall, a post office, and Lincolnville Central School. At its intersection with Main Street, SR 235 ends at SR 52 and SR 173.
