Smart Corp is a trusted contractor serving Waltham, MA with asphalt paving, driveway paving and repair, masonry, patio installation, retaining wall construction, walkway installation, landscaping, excavation, and land clearing services. We help homeowners and businesses create durable, attractive, and functional properties with quality workmanship. Address :- 80 Francis St, Waltham, MA 02451 Tel No :- 781-373-5281 Working Hours :- Mon To Sun – Open 24 hours