A thorough home inspection checklist helps you evaluate major systems, spot visible defects, separate routine maintenance from potential safety concerns, and document what you learn so you can ask better questions and make clearer decisions. Whether you are preparing to buy, getting ready to sell, or planning an annual maintenance review, the framework below gives you a consistent, room-by-room way to examine a property. This guide is for general information only. For safety-critical, structural, electrical, gas, or plumbing concerns, consult qualified professionals who can evaluate conditions you cannot see and advise on appropriate next steps.
How to use this checklist
Approach the property in concentric layers—from outside to inside, top to bottom. Move deliberately, take photos, and capture brief notes. If you attend a professional inspection, bring this checklist to follow along and record clarifications. If you are previewing a home before hiring an inspector, use it to identify topics that warrant deeper evaluation.
- Bring a small flashlight, a notepad or notes app, a tape measure, and a phone for photos.
- Do not operate systems or open panels that you are not comfortable using. If something looks unsafe, stop and note it for a professional review.
- Note conditions, not conclusions (for example, “efflorescence on basement wall” instead of “foundation failure”).
- Differentiate between cosmetic items (paint touch-ups) and potentially material items (active leaks, scorch marks at an outlet, tripping breakers, chronic moisture).
- Record model/serial labels when accessible; this helps estimate age and find manuals later.
Site, exterior, and structure
Start with the site conditions and exterior components. Many interior issues originate with water management and movement of the building envelope.
- Grading and drainage: Ground should slope away from the home. Note low spots, negative grading, or soil erosion. Observe where downspouts discharge—ideally well away from the foundation.
- Driveways and walkways: Look for trip hazards, large cracks, heaving or settlement, and inadequate drainage at garage thresholds.
- Vegetation and clearances: Note trees or shrubs in contact with siding or roof and soil or mulch against wood components.
- Siding and cladding: Scan for damaged, loose, buckled, or missing sections; deteriorated caulking; gaps at penetrations; staining that suggests moisture entry.
- Windows and doors: Check for cracked panes, decayed sills, missing or failed sealant, and smooth operation with proper weatherstripping.
- Soffits, fascia, and eaves: Look for rot, peeling finishes, blocked soffit vents, and bird or pest entry points.
- Decks, porches, and balconies: Observe guard and handrail stability, secure connections to the building, decayed members, loose fasteners, and uneven steps.
- Foundation and visible structure: Walk the perimeter; note cracks, mortar deterioration, rust-stained areas around steel, bowing, or spalling. Document any visible water entry points.
- Garage or carport: Test auto-reverse safety of garage doors (visual inspection and light pressure only), note damaged door panels, and look for exhaust fume pathways into living spaces.
Moisture intrusion is a priority to identify early because it can lead to structural damage and safety risks if left unaddressed. Look for staining, musty odors, and material deterioration that may indicate past or ongoing moisture.
Roof and attic
The roof system protects everything below it. If roof access is unsafe or restricted, observe from ground level with binoculars where possible and document conditions for a professional to evaluate further.
- Roof covering: Note missing, curled, cracked, or slipped shingles; exposed fasteners; damaged flashing; and patches. On flat or low-slope sections, look for ponding and membrane blisters.
- Penetrations and flashings: Inspect around chimneys, skylights, vents, and wall junctions for gaps, lifted flashing, or sealant failure.
- Gutters and downspouts: Confirm secure attachment, continuous slope to outlets, no significant sag, and that downspouts discharge away from the foundation.
- Attic access and insulation: From inside, check for even insulation coverage, visible air gaps, or compressed batts. Note missing baffles at eaves if vents are present.
- Ventilation: Look for unobstructed soffit, ridge, or roof vents. Inadequate ventilation can contribute to condensation and material deterioration.
- Moisture indicators: Staining on sheathing or rafters, rusted nail tips, mold-like growth, or a musty odor may suggest past or present moisture issues.
Interior rooms and finishes
Interior observations can reveal hidden issues with structure, moisture, and systems. Move room by room and repeat a consistent pattern: ceiling, walls, floor, windows/doors, heat source, outlets/switches, and fixtures.
- Walls, ceilings, floors: Note cracks, nail pops, uneven or bouncy floors, staining, or soft spots around wet areas.
- Windows and doors: Check operation, latching, weatherstripping, and evidence of condensation between panes. Look for water staining at sills and headers.
- Cabinetry and counters: Test door and drawer function, look for sink base leaks, and check seals at backsplashes.
- Bathrooms: Run each fixture. Observe water pressure, drain speed, toilet stability, caulking at tubs/showers, ventilation fans exhausting to the exterior, and signs of leaks.
- Kitchen: Inspect sink plumbing, dishwasher connections (visible), range hood venting to exterior, GFCI protection at receptacles near water, and caulking.
- Laundry: Note supply hose condition, visible valve leaks, drain setup, and dryer venting to the exterior with a smooth, rigid duct where visible.
- Fireplaces: For readily accessible components, look at firebox condition, damper operation (when cool), and visible cracks or loose bricks. Specialized inspections are recommended for chimneys and flues.
Basement, crawlspace, and foundation
Below-grade areas provide critical evidence about moisture and structural performance. Proceed with caution and adequate lighting.
- Moisture signs: Efflorescence, water lines, dampness at corners, rust on mechanical supports, or musty odors.
- Foundation walls: Horizontal or stair-step cracks, bulging, or spalling. Note locations and approximate lengths for follow-up.
- Support structure: Observe posts, beams, and floor joists for notching, boring, rot, insect damage, or unapproved supports.
- Insulation and vapor barriers: Note missing or damaged sections and areas where insulation contacts damp materials.
- Sump and drainage: If present, check for a cover, visible pump, discharge routing to the exterior, and signs of recent operation.
Plumbing system
Focus on visible, accessible components. Do not remove access panels or operate shutoff valves you are unfamiliar with.
- Supply piping: Identify visible materials and watch for active leaks, corrosion, or unsupported spans.
- Drain, waste, and vent: Note slow drains, gurgling, leaks at traps, and improper slopes where visible.
- Fixtures: Run sinks, tubs, and showers simultaneously in different parts of the home to gauge functional flow and drainage.
- Water heater: Observe for corrosion, leaks, unusual noises, missing discharge piping on the temperature/pressure relief valve, and labeling.
- Appliances: Look at visible connections for dishwashers, refrigerators with water lines, and washing machines.
Electrical system
Electrical observations are primarily visual and functional from user-accessible points. Do not remove a panel cover unless you are qualified to do so.
- Service entry and meter (exterior view): Note clearances, rust, or damage. Do not open sealed equipment.
- Panel labeling: If the panel door can be opened safely, check for clear circuit labeling and unused openings. Do not touch conductors.
- Outlets and switches: Test a representative sample for operation. Note warm cover plates, loose receptacles, non-functioning outlets, and evidence of paint inside receptacles.
- Protection devices: In kitchens, bathrooms, laundry, garage, and exterior locations, look for GFCI-type protection where present. In newer renovations, AFCI-type protection may be used in certain areas—ask a qualified professional about appropriate protection for the specific home.
- Lighting: Observe flicker, non-functional fixtures, and signs of overheating or burn marks.
Because electrical safety standards evolve, questions about compliance or upgrades should be directed to a qualified electrician.
HVAC (heating and cooling)
Comfort systems affect energy use and indoor air quality. Limit your checks to normal user controls and visual observations.
- Heating equipment: From a safe vantage point, note unusual noises, visible rust, scorch marks, and clearances to combustibles.
- Cooling equipment: Observe condenser fins for damage or blockage and listen for abnormal sounds during operation.
- Air distribution: Check supply temperature changes at registers, even airflow, and visible duct insulation where accessible.
- Filters and maintenance: Look for accessible filter locations and note dirty or missing filters.
- Thermostats: Confirm basic operation and mounting; note if programmable or smart types are present.
Life safety and indoor environment
Simple checks can highlight conditions worth prioritizing, but do not substitute for professional life-safety evaluations.
- Smoke and carbon monoxide alarms: Test using built-in buttons where present. Note missing or expired units and locations that appear inadequate. Consult local requirements and qualified professionals regarding placement and replacement intervals.
- Stairs and railings: Check for secure handrails, consistent riser heights, and non-loose treads.
- Egress and windows: In sleeping rooms, note whether windows open smoothly and appear large enough for emergency escape; verify specifics with a qualified professional.
- Ventilation: Ensure bathrooms and kitchens exhaust to the exterior where visible. Note excess condensation on windows.
- Environmental observations: Musty odors, staining, or chronic dampness suggest moisture management issues that merit further assessment.
Documentation and priorities
Organize your findings so you can act on them. A clear record helps you communicate with professionals and, if you are in a transaction, make timely decisions.
- Photo log: Attach one to three photos per item—wide, medium, and detail where possible.
- Location tags: Note room name and approximate position (e.g., “north wall, bedroom 2”).
- Condition description: Keep it objective (what you observed and the apparent extent).
- Priority category: Safety, active leak/moisture, potential structural, major system performance, routine maintenance, or cosmetic.
- Follow-up action: Monitor, repair/replace, evaluate further by a qualified professional, or request documentation (receipts, permits, manuals).
Pre-inspection prep for sellers and buyers
Simple preparation helps an inspection proceed smoothly and reduces the risk of incomplete findings due to inaccessibility.
- Clear access: Move stored items away from electrical panels, attic hatches, crawlspace doors, furnaces, and water heaters.
- Utilities on: Ensure water, power, and gas remain on for functional checks.
- Remote controls and keys: Provide access to garages, sheds, and locked mechanical rooms.
- Recent work: Gather invoices, manuals, and any permits for recent repairs or upgrades.
- Pets: Arrange secure containment during the inspection window.
Walkthrough questions to ask
Whether you are attending a professional inspection or reviewing your own notes, focused questions lead to better decisions.
- What appears to be routine maintenance versus a potential safety or structural concern?
- Are there signs of active moisture intrusion, and what areas need further evaluation?
- Which items likely require near-term attention, and which can be monitored?
- What documentation (service records, warranties, manuals) would help confirm condition and expected performance?
- Which specialized evaluations are advisable (e.g., roofing, electrical, HVAC, chimney), and why?
Sample room-by-room checklist
Use or adapt this concise list during your walkthrough. Copy it into a notes app and check off items as you go.
- Exterior/site: grading, gutter/downspout discharge, siding, caulking, windows/doors, decks/rails, driveway/walks, foundation.
- Roof/attic: covering condition, flashings, penetrations, ventilation, insulation, moisture staining.
- Garage: door operation and reversal feature (visual), fire separation to house (where visible), floor cracks or settlement.
- Main floors: ceilings/walls/floors, windows/doors, representative outlets/switches, heat sources, visible leaks or stains.
- Kitchen: sink and supply/drain visibility, GFCI-type protection where present, range hood venting, dishwasher connections (visible), caulking.
- Bathrooms: fixture function, toilet stability, drain speed, ventilation to exterior, caulking and grout integrity.
- Laundry: supply hoses/valves, drain, dryer venting to exterior, floor drain if present.
- Basement/crawlspace: moisture signs, foundation cracks, supports, insulation, sump and discharge.
- Plumbing: visible supply/drain condition, water heater area, active leaks, corrosion.
- Electrical: panel labeling (door closed after viewing), representative outlet tests, GFCI/AFCI presence where applicable, damaged devices.
- HVAC: basic operation at thermostat, filter condition, airflow at registers, condenser clearance and fin condition.
- Life safety: smoke/CO alarms test buttons, railings secure, window egress observations, exterior lighting at entries.
Interpreting findings without overreacting
Every property has defects and maintenance needs. The key is to place each finding into context and decide on next steps that match its impact and urgency.
- Cosmetic: Paint scuffs, minor grout hairlines—track on a punch list.
- Maintenance: Gutters due for cleaning, missing caulk at a backsplash—schedule routine care.
- Function: A non-operational outlet or exhaust fan—repair for usability and comfort.
- Moisture-related: Active drips, chronic dampness, or staining—prioritize diagnosis to prevent damage.
- Potential safety/structural: Electrical arcing evidence, significant foundation movement indicators—seek timely evaluation by qualified professionals.
FAQ
What does a typical home inspection checklist include?
A practical checklist covers the site and exterior (grading, drainage, siding, windows, doors, decks), roof and attic (coverings, flashings, ventilation, insulation), interior rooms (walls, floors, ceilings, windows/doors), key systems (plumbing, electrical, HVAC), below-grade areas (basement or crawlspace), garages, and life-safety observations (alarms, stair guards/handrails, ventilation). The goal is to document observable conditions and prioritize follow-up where needed.
Can a checklist replace a professional inspection?
No. A checklist is a helpful guide for organizing visible observations, but it is not a substitute for a professional inspection. Many critical components are concealed or require training, tools, and safety protocols to evaluate. For regulated systems—electrical, gas, structural, and plumbing—consult qualified professionals.
How should buyers and sellers use the findings?
Buyers can use the notes to frame questions, request documentation, and decide where professional evaluations are warranted. Sellers can proactively address maintenance items and provide service records or receipts that clarify past work. In all cases, keep your notes objective, attach photos, and categorize each item by priority rather than reacting to every defect the same way.
What are signs of moisture intrusion I should not ignore?
Musty odors, active dripping, water staining that grows over time, rust on metal components, peeling finishes, efflorescence on masonry, or warped flooring. Because moisture can lead to material deterioration and safety concerns if neglected, document these findings and seek timely evaluation.
Should I attend a professional inspection?
When possible, attending helps you see conditions firsthand, ask clarifying questions, and understand maintenance priorities. Bring this checklist, follow along respectfully, and record recommendations for further evaluation or documentation requests.
