Why do Houston inspectors spend so much time on the foundation?
Houston sits on expansive clay soil that swells when wet and shrinks when dry. This constant movement puts stress on foundation slabs and pier-and-beam structures alike. Over time, that movement creates cracks, unlevel floors, sticking doors, and gaps at interior wall joints. Inspectors in Houston look for evidence of differential settlement—where one part of the foundation has moved more than another.
The Foundation Performance Association, which is based in Houston, publishes guidelines for evaluating slab foundations in the region. Inspectors often use a laser level or zip level to measure floor slope. Movement beyond 1 inch across 20 feet is generally worth a structural engineer's review.
What is a 4-point inspection and do I need one?
A 4-point inspection covers four systems: roofing, HVAC, electrical, and plumbing. It is not a full home inspection—it's a shorter document that insurance companies use to assess risk before writing a homeowner's policy on older properties. Most insurance carriers in the Houston area require a 4-point inspection for homes 25 years or older.
If you're buying a home built before 2000, expect your insurance agent to request one. Many home inspectors can provide a 4-point report as an add-on to a standard inspection for $50-100 extra. Getting both done at the same time with the same inspector is the most efficient approach.
How do I find out if the house flooded?
This is one of the most common and most important questions Houston buyers ask—and the answer is more complicated than it should be. Texas does not require sellers to disclose flooding history if the property is not in a designated FEMA Special Flood Hazard Area (SFHA). Harris County has stronger disclosure requirements, but enforcement is inconsistent.
Check these sources independently: the FEMA Flood Map Service Center, the Harris County Appraisal District records for flood notes, the Texas Standard Disclosure form the seller must sign, and the Harris County Flood Control District website. Also ask neighbors. In areas affected by Harvey (2017), Allison (2001), or Ike (2008), residents generally know which homes flooded.
Should I get a separate mold inspection?
In most markets, a mold inspection is optional. In Houston, it's worth serious consideration. The combination of heat, humidity, and intermittent flooding creates ideal conditions for mold growth. Inspectors flag visible mold and conditions conducive to growth—high moisture readings, inadequate ventilation, past water intrusion—but a standard inspection doesn't include air sampling or laboratory analysis.
If your inspector finds any signs of moisture intrusion or past water damage (staining, soft drywall, musty odor, elevated readings on a moisture meter), requesting an environmental assessment from a certified industrial hygienist is reasonable. Expect to pay $300-600 for sampling and analysis. If remediation is needed, costs typically start at $1,500 and can reach $10,000 or more depending on extent and location.
What is a wind mitigation inspection?
A wind mitigation inspection documents construction features that reduce a home's vulnerability to hurricane and severe wind damage: roof shape, roof-to-wall connections, opening protection (windows and doors), and roof covering type and age. Insurance companies in coastal and Gulf-adjacent markets use this information to calculate discounts on homeowner's policies.
Wind mitigation inspections in Houston typically cost $100-150 and can result in substantial insurance premium reductions—sometimes $300-800 per year—for homes with favorable features like hip roofs and hurricane straps. The inspection is performed by a licensed home inspector or engineer and produces a state-approved form that goes directly to your insurance carrier.
How long do HVAC systems last in Houston?
Shorter than in most other markets. In moderate climates, a well-maintained central air system might last 15-20 years. In Houston, where systems run essentially year-round, expect 12-15 years from a quality unit and sometimes less. The combination of high operating hours, humidity stress on coils, and extreme heat puts Houston AC systems under more strain than nearly anywhere else in the country.
Inspectors flag systems by age. A 12-year-old system in Houston gets more scrutiny than a 12-year-old system in Minneapolis. Ask specifically about when the system was last serviced, whether refrigerant has been added recently (a sign of a leak), and what the condition of the evaporator coil looks like. Replacing a full system in the Houston market runs $5,000-12,000 depending on size and brand.
What's the difference between a standard inspection and a sewer scope?
A standard inspection includes a visual check of accessible plumbing: supply lines, drains, fixtures, water heater, and visible pipes. It does not include camera inspection of the sewer lateral—the pipe that runs from the house to the city main. A sewer scope is a separate service, typically $150-250, where a camera is run through the drain to look for root intrusion, bellied pipe, cracked clay tile, or blockages.
In Houston's older neighborhoods—Montrose, the Heights, Garden Oaks—the sewer laterals are often cast iron or clay tile from the mid-20th century. Root intrusion is common in areas with large oak and pecan trees. A sewer scope is a worthwhile add-on for any home built before 1985 in an established neighborhood.
What should I know about inspecting a home with a pool?
Texas requires that pool inspectors check barrier compliance—fencing and gate requirements designed to prevent unsupervised child access. A standard home inspector will note whether a pool barrier appears compliant, but a dedicated pool inspector does a more thorough evaluation of the equipment, shell, coping, and decking.
Pool inspections in Houston typically cost $100-200 on top of the standard inspection fee. Given that pool repair costs in the region can run $5,000-30,000 for significant issues, the add-on is almost always worth it. Common findings include cracked coping, failing decking, aged pool equipment (pumps, heaters, automation systems), and evidence of shell settling that may indicate a larger foundation issue underneath.