Quick ways to tell if your builder did a solid job

A straightedge can reveal waviness that a flashlight may miss, while a level is useful for checking slope. For a walkthrough, also check:

- A 4- to 6-foot straightedge across floor transitions and along long runs for rocking or gaps beneath it.
- Countertops, especially at seams and near appliance cutouts, for dips that could affect drainage or installation.
- Cabinet tops, backsplash lines, door casings, and baseboards for consistent alignment and reveals.
- Long walls vertically and horizontally to spot bowing that paint texture may disguise.

Check from several directions rather than relying on one reading. A surface can be level overall but still wavy.

The straightedge check is especially useful, but I’d repeat questionable readings after the building’s temperature and humidity have stabilized. Fresh flooring, drywall, cabinets, and countertops can move temporarily as moisture changes, which may show up as new gaps, altered slopes, or cabinet alignment that’s slightly off. Is there a standard waiting period you use before treating a measurement as a workmanship defect rather than seasonal or curing movement?

Photograph any gap or slope with the straightedge or level clearly in frame, and record the measurement, location, date, and conditions. That creates an objective baseline for comparison after temperature and humidity stabilize, rather than relying on memory or a photo with no scale. It can also help distinguish a broad movement pattern from an isolated installation error. There isn’t one standard waiting period for every material, so questionable readings are more useful when repeated under similar indoor conditions rather than judged from a single walkthrough.

For future walkthroughs, test every door and drawer through its full travel. Rubbing, drifting open or closed, sticking near one spot, or uneven reveals can expose out-of-square framing or cabinet installation that a static visual check misses. Do it with appliances and flooring in place where possible, since those can affect clearances.