The checklist
The full checklist — the 10 systems, one by one.
The “400+ checkpoints” roll up into ten major systems. Here is what the inspector is actually doing in each one — and what tends to get flagged in Tri-Cities housing stock.
1 · Structure & foundation
Visible foundation walls and slab, crawlspace, floor framing, posts and beams, and any evidence of settlement or movement. The inspector distinguishes hairline shrinkage cracks from active structural ones, probes for moisture in basements and crawlspaces, and checks that past renovations haven’t cut or notched framing. On sloped Tri-Cities lots, retaining and drainage carry extra load — so movement evidence gets extra attention.
2 · Roof
Covering material and stage of wear, flashings at every penetration, chimneys, skylights, gutters and downspouts — plus the underside of the sheathing from inside the attic. The report gives an estimated stage of life, not a certified lifespan. Many 1990s-built Tri-Cities homes are on original or second roofs at or near replacement age; the cost table below is your budgeting anchor.
3 · Exterior envelope
Siding, stucco or brick, trim and caulking, windows and doors from the outside, decks, balconies, stairs, railings, soffits and fascia. On strata townhomes the envelope is partly common property — the inspector notes unit-level issues and defers the rest to the strata’s depreciation report. Rot at deck ledgers and window sills is a frequent find on shaded, north-facing exposures.
4 · Plumbing
Supply piping material — copper, PEX, or polybutylene, common in homes built from the late 1970s to the mid-1990s — plus drains, functional flow at every fixture, water heater age, venting and relief valve, main shutoff location, and leak evidence under every sink. Poly-B is one of the most common insurance conversations in Tri-Cities homes of that era, and hot water tanks past the 10–12-year mark are commonly flagged as near the end of service life.
5 · Electrical
Service size and entry, panel condition, breaker or fuse type, visible wiring — copper, aluminum, or knob-and-tube in pre-1950s homes — grounding, GFCI protection near water, a sampling of outlets and switches, and smoke and CO alarms. Older 60-amp services and knob-and-tube commonly trigger insurance questions or conditions; aluminum branch wiring from the mid-1960s to mid-1970s needs its connections checked.
6 · Heating & cooling
Furnace or boiler age and operation, heat pump or air conditioning, venting, filters, visible ductwork, fireplaces and chimneys, thermostat response. A 20-year furnace is not a walk-away — it’s a budget line. Unserviced gas fireplaces are one of the most common operational failures in the report.
7 · Interior
Floors, walls and ceilings read for stains and movement, door and window operation, stairs and railings, bathroom ventilation, and moisture readings wherever staining suggests a story. Inspectors also note the tells of unpermitted work or past grow operations — findings your REALTOR® then cross-checks against title and municipal permit records.
8 · Insulation & ventilation
Attic insulation depth and type, vapour barrier where visible, roof and attic venting, kitchen and bathroom exhaust terminations, and crawlspace insulation. A bathroom fan venting into the attic instead of outside is a very common find — and one of the cheapest fixes on the whole list, preventing genuinely expensive mould problems later.
9 · Built-in appliances
Dishwasher, range and hood fan, built-in ovens, and the garage door opener including its auto-reverse safety test. The point is safety and function, not cosmetic age — a dated but working appliance is a note, not a finding.
10 · Site & drainage
Grading direction at the foundation, driveways and walkways, retaining walls, downspout discharge, vegetation against the envelope. On Tri-Cities slopes, perimeter drainage is the system that decides whether a basement stays dry — and it’s one an inspector cannot see underground. On older homes, a separate camera scope of the perimeter drains and sewer line is often money well spent.