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,The property has been beautifully upgraded and maintained. The first floor features a well-planned layout with HARDWOOD FLOORING, formal living,dining and sitting area with sliding doors leading to the and DECK & 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, master bedroom with attached full bathThe FULLY FINISHED BASEMENT includes a recreation area,new FULL BATH,storage space & laundry. When you step outside into the backyard, you are greeted with a large DECK, a well-sized paver PATIO. 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),PaverS(2021), Finished basement with Full bath(2021),Expanded driveway(2021),New kitchen (2022), New kitchen appliances(2022/2024),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.Steps away from shopping, downtown Princeton restaraunts, NY transit & highways US1,130 & Rt27.