What people keep running into with home inspection
Complaints tagged home inspection, each raised by more than one person. One-off posts are not included.
23 recurring problems · 209 people · 13 forums we read
Raised more than once
Most people first.
- 23How to fix previous owner DIY nightmaresPrevious homeowners often disguise shoddy work with surface-level cosmetic updates that hide hazardous and poorly executed projects. Uncovering these hidden defects week after week leaves new buyers feeling like their house is held together entirely by caulk, making it impossible to trust the home's fundamental safety.
- 22How to tile over an uneven subfloor without tearing it upAn uneven subfloor makes tiles crack and shift if they are laid without a flat surface. Fixing low spots with a feather finish patch or self-leveling compound avoids tearing out the old plywood or linoleum entirely.
- 20How to find hidden home defects after buyingStandard general home inspectors routinely miss major issues like uninstalled roof components, faulty electrical work, and plumbing failures. Relying on them leaves buyers facing massive, unexpected repair projects and damages after they have already moved in.
- 20Why does my new plumbing still have bad water pressure and risky joints?Poorly installed pipes and high-tension fittings put excessive pressure on joints, creating constant risks of leaks and floods. Even after professional upgrades like Pex, substandard workmanship leaves homeowners dealing with weak water flow and questionable setups like S-traps that require tearing out walls and digging up pipes just to check for defects.
- 19How to get a contractor to fix damage they causedContractors often refuse accountability for installation errors and collateral property damage, blaming existing conditions or ignoring calls. This forces homeowners to absorb repair costs or spend months chasing negligent workers for fixes.
- 13Is a basement wall crack structural or just cosmetic?Most small cracks result from minor concrete settling, but vertical cracks accompanied by wall bowing indicate active shifting that threatens structural integrity. Missing these signs prevents homeowners from catching foundation failures early, leaving them vulnerable to severe structural damage and costly repairs.
- 12How to identify unknown plumbing parts in a buildingUnfamiliar plumbing components near a main drain or water line are difficult to recognize without professional blueprints, leaving buyers and owners unsure if an installation is a standard backflow valve or a failing system that requires immediate replacement. This uncertainty stalls property purchases and prevents safe maintenance decisions until an expert can visually inspect the setup.
- 11Main sewer line backed up right after moving inA sudden main sewer line backup immobilizes every drain, toilet, and appliance in the house while forcing homeowners to wait indefinitely for an emergency technician. Dealing with active flooding with young kids in the home makes it difficult to secure immediate repairs, document the damage properly, and figure out whether warranty coverage or insurance applies.
- 11Why does my brand new AC not cool as well as the old one?New cooling systems often feel less effective because installers may misconfigure airflow settings or fail to balance multi-room temperatures properly. This leaves homeowners dealing with rooms that stay significantly warmer than they were with older equipment, causing regret and doubt over the replacement choice.
- 9Unexplained holes or damage inside the houseUnexplained holes or damage can appear suddenly in hidden areas like closets or crawlspaces, leaving homeowners unsure whether to seal them up or investigate further. This uncertainty triggers immediate panic about structural integrity or hidden pests, preventing people from feeling safe or knowing the correct next step to take.
- 7Uneven shingles and bulges after new roof replacementNew roof replacements sometimes show bulges or shingles that fail to lay flat, signaling potential issues with installation or underlying deck structure. When contractors leave these irregularities unaddressed, homeowners are left questioning the quality of the work and whether it compromises the roof's integrity.
- 6How to fix cement fiber siding touching roof shinglesCement fiber siding installed directly against roof shingles without the required one to two inches of clearance or flashing causes rot, water intrusion, and siding deterioration. Cutting away the tight, awkward sections of damaged material to add proper clearance is physically difficult and risks forcing homeowners to completely replace large wall sections if left unaddressed.
- 6Should I buy a house with conflicting roof damage reports?Getting mixed assessments from contractors makes it difficult to know whether to walk away or proceed with a purchase. This uncertainty leaves buyers unsure if they are making a costly mistake or needlessly passing on a good deal.
- 6How to tell if a discounted house has major foundation damageDiscounted homes often hide structural issues like daylight showing through crawlspaces or sagging walls that signal expensive repairs ahead. Relying on standard home inspections is not enough; buyers need a dedicated assessment from a licensed structural engineer before moving forward to avoid buying a money pit.
- 5Water damage in a brand new construction houseMajor plumbing leaks in newly built homes require immediate, thorough drying to prevent hidden moisture from causing long-term mold growth, cracking, and cosmetic staining. Dealing with these sudden issues often forces homeowners to rip out newly installed drywall and structural elements right after moving in, raising intense concerns about proper repairs.
- 4Home inspection found plumbing issues but seller says it's fineSellers often dismiss corroded pipes or water stains flagged in an inspection as minor, leaving buyers to decide whether to push for a repair credit or risk a major leak. This dynamic creates high-stakes friction during contract negotiations, forcing buyers to weigh walking away against paying out of pocket for a costly repipe shortly after moving in.
- 3Why do home test and diagnostic results conflict?Professional assessments—such as expensive mold remediation quotes or HVAC evaluations involving low superheat and refrigerant purging—frequently conflict with personal tests showing no mold growth or questions about whether keeping a house cold at 68° threw off the readings. This discrepancy leaves homeowners uncertain whether issues like air restrictions or mold actually exist, preventing them from knowing which recommendations to trust.
- 3Why do older houses have no outlets?Older homes were built before modern electrical needs like window AC units, laptops, and multiple TVs existed, leaving rooms with only one or two outlets on overloaded circuits. Relying on adapters becomes a daily hassle and stops people from plugging in appliances where they actually need them.
- 2Why is the plywood roof decking sagging on my new house?Premature sagging and warping on new roof decking is typically caused by trapped moisture due to poor attic ventilation. This excessive humidity compromises the structural integrity of the plywood, leading to noticeable dips between the roof rafters.
- 2How to estimate home repair costs before buyingBuyers struggle to assess interior and exterior property damage and figure out how to calculate the actual cost of repairs. Without knowing approximately how much to budget for these fixes, it is difficult to evaluate the true financial impact before making a purchase.
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