Calgary Home Inspection: What to Expect, What to Ask, and Full Checklist 2026

What Does a Calgary Home Inspector Actually Check?

A licensed home inspector performs a non-invasive visual examination of the accessible components of a home. "Non-invasive" means they don't open walls, lift flooring, or excavate, they examine what is visible and accessible. A thorough inspection of a standard Calgary detached home takes 2.5–4 hours.

What the Inspector Examines

• Structure and foundation: Cracks, settlement, signs of movement, water intrusion
• Roof: Shingle condition, flashing, gutters, vents, ridge line, chimney
• Exterior: Siding, caulking, windows, doors, grading and drainage
• Electrical system: Panel capacity, wiring type, outlets, grounding, GFCI protection
• Plumbing: Supply lines, drain lines, water heater, fixtures, water pressure
• HVAC: Furnace age and condition, A/C (if present), ductwork, filters, vents
• Insulation and ventilation: Attic insulation, vapor barriers, exhaust venting
• Interior: Walls, ceilings, floors, stairs, windows, doors for damage or deficiencies
• Basement and crawlspace: Moisture, mould, structural concerns, insulation
• Attached garage: Structure, door operation, firewall integrity, CO detector

Calgary-Specific Concerns: What Every Local Buyer Must Know

Calgary has a unique climate and building history that creates specific concerns not found everywhere in Canada. Your inspector should be familiar with all of these.

Hail Damage on Roofs

Calgary is one of Canada's most hail-prone cities. Hailstorms in 2020 caused over $1.2 billion in insured losses in Alberta alone. Hail damage to asphalt shingles is often visible only to a trained eye, look for bruising, granule loss, and cracked shingles. A hail-damaged roof that hasn't been claimed on insurance can mean the previous owner was uninsured or the damage predates their ownership. Your inspector must get onto the roof or use binoculars to assess. If hail damage is found, request documentation and negotiate a credit, roof replacement costs $8,000–$20,000+ on a typical Calgary home.

Clay Soil Foundation Movement

Large areas of Calgary (particularly inner-city and established SW communities) sit on expansive clay soil that swells when wet and shrinks when dry. This movement can cause foundation cracks, uneven floors, sticking doors and windows, and in severe cases, structural instability. Look for stair-step cracks in brick, horizontal cracks in poured concrete foundations, or significant gaps between foundation and framing. Minor hairline cracks are common; large or widening cracks require a structural engineer's assessment before proceeding.

Basement Moisture and Water Infiltration

Calgary's wet springs and clay soil create conditions for basement moisture. Look for efflorescence (white salt deposits on concrete walls), staining at the base of walls, musty odours, or evidence of past flooding. Even finished basements can have hidden moisture behind drywall. Ask the seller directly about any past water intrusion, they are legally required to disclose known material defects in Alberta.

Aluminum Wiring in 1970s–1980s Homes

Homes built between roughly 1965 and 1985 may have aluminum branch circuit wiring rather than copper. Aluminum wiring is a recognized fire hazard due to oxidation and connection failures. It is not illegal to have in your home, but it requires specific maintenance and approved connection methods. Remediation options include full rewiring ($5,000–$15,000+) or installing approved aluminum-to-copper connectors (CO/ALR devices) at every outlet and switch. Any pre-1990 home in Calgary should be explicitly checked for aluminum wiring.

Asbestos in Pre-1990 Homes

Asbestos was commonly used in building materials before the late 1980s, in insulation, floor tiles, ceiling tiles, textured drywall compounds, and pipe wrap. In undisturbed condition, asbestos-containing materials are not immediately dangerous. The concern is renovation work: cutting, sanding, or demolishing asbestos materials releases fibres. If you're buying a pre-1990 Calgary home and planning renovations, budget for a professional asbestos assessment ($400–$800) and potential abatement costs ($1,000–$10,000+ depending on scope).

Polybutylene (Poly-B) Plumbing

Polybutylene plastic plumbing was installed in Canadian homes from approximately 1978 to 1995. It is widely recognized as defective, it degrades over time, especially where exposed to chlorine in municipal water, and fails without warning causing significant water damage. A home with poly-B plumbing is not necessarily a deal-breaker, but replacement ($8,000–$15,000 for a typical home) should be factored into your offer. Many Calgary insurance companies now add surcharges or decline coverage for homes with poly-B; some lenders also flag it.

How to Find a Licensed Calgary Home Inspector

In Alberta, home inspectors are regulated and must hold a licence issued by the Real Estate Council of Alberta (RECA). Always verify your inspector's licence at RECA's public registry before booking.

• Verify RECA licence at reca.ca (all active licences are publicly searchable)
• Look for CAHPI (Canadian Association of Home and Property Inspectors) membership, indicates additional professional standards
• Ask how many years of local Calgary experience they have
• Ask specifically about their familiarity with hail damage assessment, clay soil foundations, and pre-1990 hazardous materials
• Ask if they carry Errors & Omissions (E&O) insurance
• Ask if they will provide a written report with photos, this is standard practice
• Avoid inspectors recommended only by the seller's agent, get your own referral from your buyer's agent or trusted sources

Attending the Inspection in Person

Always attend your home inspection in person. This is non-negotiable. The written report will document findings, but the verbal debrief from your inspector at the end of the inspection is equally valuable, they can point to things directly, explain severity and urgency in plain language, and answer your specific questions. Reading a report alone loses that context.

What the Inspector Cannot See

Understand the limitations. Inspectors cannot see behind walls, under flooring, or under snow. In winter, an inspector may not be able to walk the roof safely, which limits their assessment. They also cannot predict the future, a furnace that passes inspection today may fail next year. Key limitations to be aware of:

• Cannot detect issues concealed by furniture, stored items, or finished walls
• Cannot assess under snow, ice, or frozen ground (relevant for drainage)
• Cannot identify all types of mould (visible surface mould yes; concealed mould requires specialized testing)
• Cannot guarantee the absence of asbestos without specialized testing
• Cannot assess the interior of chimneys without a camera scope (add-on service)
• Cannot assess underground oil tanks (relevant for older Calgary properties)

Red Flags vs. Minor Issues: Knowing the Difference

Walk-Away Red Flags

• Large horizontal cracks in foundation walls (structural failure risk)
• Active water infiltration through the foundation
• Widespread mould throughout the home (not minor surface spots)
• Knob-and-tube wiring that is active and uninsured (fire hazard)
• Significant structural framing damage (rot, pest damage, improper modifications)
• Evidence of unauthorized additions or unpermitted structural work
• Oil tank in ground that has not been properly decommissioned (environmental liability)

Negotiate, Don't Walk (Usually)

• Aged but functional roof (quote replacement cost and negotiate a credit)
• Polybutylene plumbing (get a plumber quote and negotiate)
• Old but working furnace (ask for credit toward replacement)
• Aluminum wiring (get a licensed electrician's assessment and quote)
• Minor foundation hairline cracks (monitor; likely cosmetic)
• Minor water staining in basement that appears old and dry

Minor, Accept and Move On

• Missing outlet covers, loose fixtures, dripping faucets
• Worn caulking around tubs and windows
• Cosmetic drywall cracks from normal settlement
• Older but functioning appliances
• Minor grading issues at the perimeter

Negotiating Repairs or Credits After Inspection

When your inspection reveals significant issues, you have several options within your inspection condition period: