The Ten Most Frequent House Problems
surveys by U.S. and Canadian home inspectors resulted in a
list of the most frequently found problems in the homes they
1. Improper Surface Grading/Drainage
This was by far the most frequently found problem, reported
by 35.8% of the survey respondents. It is responsible for
the most common of household maladies: water penetration of
the basement or crawl space.
2. Improper Electrical Wiring
A significant number (19.9%) chose this item as the most
common home defect, which includes such situations as
insufficient electrical service to the house, inadequate
overload protection, and amateur, often dangerous, wiring
3. Roof Damage
Although reported by only 8.5% of the respondents as the
most common problem, roof leakage, caused by old or damaged
shingles or improper flashing, was considered by CAHPI
members to be a frequent problem.
4. Heating Systems
Problems in this category include broken or malfunctioning
operation controls, blocked chimneys, and unsafe exhaust
5. Poor Overall Maintenance
Even the novice home buyer is usually aware of this
situation, demonstrated by such signs as cracked, peeling,
or dirty painted surfaces, crumbling masonry, makeshift
wiring or plumbing, and broken fixtures or appliances.6.
Structurally Related Problems
Many houses, as a result of problems in one or more of the
other categories, sustain damage to such structural
components as foundation walls, floor joists, rafters, and
window and door headers.