Foundation problems in Southeast Texas almost never start with something dramatic. They start with a door that needs a shoulder, a crack above a window that you keep meaning to patch, and a floor that feels a little off when you walk barefoot across the hallway.
This guide walks through what those symptoms usually mean in Pasadena's slab-on-grade and pier & beam homes, which ones are cosmetic, and how the diagnosis actually gets made.
Start with the doors and windows
Doors are the most sensitive movement gauge in your house. A door frame is a rigid rectangle set into a wall; when the foundation under that wall drops even half an inch, the rectangle becomes a parallelogram and the door stops fitting.
Pay attention to the pattern. If several doors on one side of the house are sticking, and they got worse over the same summer, that is differential movement. If one interior door has always rubbed at the top, it is probably just a door.
Read the cracks, not just their width
Direction tells you more than size. Diagonal cracks that start at the upper corner of a door or window and run toward the ceiling are the classic signature of foundation movement. Vertical hairline cracks in a slab edge are usually shrinkage from the original pour.
- Stair-step cracks in brick that widen as they rise: perimeter settlement
- Separated mortar at the corner of a porch or garage: localized movement
- Cracks that open in August and close in March: active soil moisture cycling
- Horizontal cracking in a stem wall: get it evaluated promptly
- Tile and grout cracking in one room only: check elevations there
Check the floors with a marble and your feet
Walk the house barefoot and note where it feels like you are walking downhill. Set a marble or a golf ball on the floor in a few rooms. This is not a measurement, but it tells you where to look closely.
Also check the baseboards. A gap opening between the baseboard and the floor, or trim separating at a corner, means that part of the structure has moved relative to the rest.
Go outside — the cause is usually out there
Walk the perimeter after a rain. Water standing within a few feet of the slab, a downspout emptying at a corner, soil sloping toward the house, or a flower bed holding a puddle against the brick are all conditions that create the uneven soil moisture that moves foundations in Pasadena.
Note tree locations too. A large oak or pecan close to the house can pull significant moisture out of clay soil during a dry stretch.
When to call, and what actually happens
Call when you have two or more symptoms, when a symptom got noticeably worse in one season, or when you see any brick or slab cracking wider than about a quarter inch. A proper evaluation means measured elevation readings throughout the home, a drainage walk, a crawl space look on raised-floor homes, and a written scope — not a quick glance and a quote.
Plenty of inspections end with 'monitor this and fix your drainage.' That is a good outcome, and it is worth the phone call to find out.
The short version
One symptom is information. Several symptoms getting worse in the same season is a reason to get elevations measured.