Welcome to 335 Union Ave, offering a well-located and highly functional office space ideal for professional use. Conveniently located directly across from a public school, this property benefits from strong daily activity and visibility. The space is thoughtfully designed over two distinct levels, allowing a tenant the flexibility to operate two completely separate business functions or departments, or to use one level independently from the other. This bright and versatile unit features a practical layout that can accommodate private offices, consultation rooms, or an open workspace design. Large windows provide excellent natural light, creating a comfortable and productive environment for both staff and clients. Situated along a busy corridor with strong exposure and easy access to major roadways, public transportation, and surrounding residential neighborhoods. Ideal for accountants, attorneys, consultants, medical or wellness professionals, and other office-based businesses. A great opportunity to position your business in a highly accessible Belleville location! schedule your showing today!