Cracked countertops are a common issue in older kitchens, especially when years of use, impact, or uneven support have stressed the surface.
When a local repair may still work
If the crack is small, outside major stress zones, and not spreading, a localized repair may sometimes slow further damage.
When replacement is usually the better option
If the crack sits near a sink, corner, seam, or heavy stress point, or if the countertop already shows age and staining, replacement is usually the cleaner long-term move.
Why cabinet and support conditions still matter
Some cracks are not just material failures. They may come from uneven cabinet support or installation stress, and a new countertop can crack again if that base condition remains.