Brick and mortar cracks: what they can mean
Brick veneer often shows foundation movement first. Stair-step cracks in mortar or bricks pulling away at corners are common things contractors check.
What to look for
- Stair-step cracks in mortar joints
- Gaps between brick and window frames
- Bricks separating at outside corners
- Cracks in the exposed slab edge
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Why San Antonio homes show it
Most Bexar County soil is Blackland Prairie clay that expands when wet and shrinks when dry. That shrink-swell is the primary reason for foundation issues in the county (Texas Master Naturalist, Alamo Area Chapter).
Symptoms alone don't diagnose a foundation. It may be cosmetic or a drainage fix. A professional inspection tells you which.
Next steps: see slab foundation repair, all 7 signs you need foundation repair, and what a fix might cost with the cost calculator.
Find out what it means for your home
Calculators and guides give ranges. A free inspection from one vetted, independent local contractor gives you a written quote. No cost, no obligation.
Get my free inspection →LevelSATX Foundation Network connects San Antonio homeowners with vetted, independent foundation repair contractors. We don't perform repairs; participating contractors pay us for referrals.