Welcome to 42 Hillside Ave, a charming 4 bedroom, 3.5 bath COLONIAL nestled in the heart of Monmouth Junction. This lovely home boasts a warm and inviting atmosphere with lots of natural light, perfect for families seeking a comfortable and cozy living space. The property has been beautifully upgraded and maintained. The first floor features a well-planned layout with HARDWOOD FLOORING, formal living,dining and family areas with sliding doors leading to the deck and backyard. The home has a recently renovated spacious GOURMET KITCHEN with SS appliances,GRANITE countertops complemented by built in large 70 INCH PANTRY and a big CENTER ISLAND. The second level is complete with 4 bedrooms,full bath, sizeable master bedroom with attached full bath, 2 closets including a walk-in closet. The FILLY FINISHED BASEMENT includes a recreation area,new FULL BATH, perfect for entertaining guestS. Also has storage space & laundry room. When you step outside into the backyard, you are greeted with a large DECK, a well-sized paver PATIO that has a built-in gas line that can be used for a grill or fire pit. Enjoy the tranquil surroundings and picturesque views of the woods from the deck. The home has many recent upgrades ROOF(2021),FULLY OWNED SOLAR(2021),Paver patio in backyard & front walkway(2021), Finished basement with Full bath(2021),Expanded driveway(2021),New kitchen with 42inch cabinets & 70 inch pantry(2022), New kitchen appliances(2022),1st floor wood flooring(2022), Paint (2022), upgraded bathrooms(2024). Fully owned Solar generates annual TREC income of $600+ with 14 panels which have average daily production capacity of 4.578 KW. Excellent South Brunswick school system with Monmouth Jn elementary, Crossroads North middle school & South Brunswick High School. Steps away from shopping, downtown Princeton restaraunts, NY transit & highways US1,130 & Rt27. Located in a desirable neighborhood, 42 Hillside Ave is a rare find in today's market. Don't miss out on this incredible opportunity!