I changed the wall type from stucco to brick, edited the wall layer intersections so they matched up, and then I turned it back from brick into stucco again, and it came out right ¯\_(ツ)_/¯
I solved the issue! I went into my dimension default settings for my main 1/4" scale dimension defaults and changed the rounding behavior from "grid rounding" to "distance rounding." It appears that with grid rounding it will not allow itself to round up, which I needed it to do. With distance rounding, it appears to now be rounding to the nearest half inch, regardless of whether that is up or down, instead of automatically rounding down every time.
jbur91's post in Wall Layer Intersection Problems was marked as the answer