Welcome home to 9 William Street located in the sought after BRICK SHAWSHEEN neighborhood! This 3 bedroom 2.5 COLONIAL has been IMPECCABLY maintained. The kitchen has been UPDATED (in recent years) and features GRANITE counters, STAINLESS steel appliances and an ISLAND with additional storage.  Additional first floor features include: a dedicated OFFICE space, 1/2 bath, living room w/ recessed lights, wood burning FIREPLACE and a three season SUN ROOM with gorgeous OVERSIZED windows. The upstairs features a front to back primary bedroom, with THREE closets, a wood burning FIREPLACE and an UPDATED primary bathroom with DOUBLE vanity. There are two additional bedrooms and an additional UPDATED bathroom. The walk up attic and basement have potential for FUTURE EXPANSION.  Enjoy the DOWNTOWN Andover area which has an abundance of community events, dining, coffee shops, as well as boutiques!  Easy access to 2 commuter rail stops to BOSTON and Rtes 28, 495 and 93.