Should You DIY or Call a Professional?
Answer five quick questions about what you are seeing. This is a screening tool, not an engineering inspection — when in doubt, a professional evaluation is the safe call.
1. How wide is the crack?
No crack / hairline (under 1/16") 1/16" to 1/8" Over 1/8" 2. Which direction does it run?
Vertical or nearly vertical Diagonal Horizontal Stair-step pattern in block 3. Is water coming through it?
Dry, no dampness Damp / efflorescence Active seepage or flooding 4. Are walls straight and floors level?
Walls straight, floors feel solid Doors stick seasonally Walls bow or lean, floors bouncy 5. Has the foundation visibly settled?
No visible settling Slight tilt, gaps around trim Corner visibly dropped, tilt over 1% Get My Result