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You can expect a concrete block wall to last 50 to 100 years—or even longer—when it’s built with quality blocks, proper rebar, and a pro installer. Longevity still depends on you keeping the wall clean, sealing it against moisture, and tackling small repairs early. Local climate and soil conditions also play a role, so check for cracks after heavy storms. With routine care, your wall should stay solid for decades.

Look for leaning, bowing, widening cracks, or loose mortar joints—those signs mean your wall could use extra muscle. If you spot any of them, call a structural engineer or masonry contractor. The professional will assess the damage and, if necessary, add rebar, grout, or new footings to shore things up. Acting quickly keeps small issues from turning into costly repairs.

The price to repair a retaining wall depends on the extent of the damage. Patching hairline cracks costs far less than rebuilding sections that have shifted or collapsed. Your material choice and local labor rates matter too—brick repairs run higher than concrete block fixes. Hire a retaining-wall professional to assess the problem and recommend the most effective repair plan before costs escalate.