Buying a Home in Markham This Spring — What Your Inspector Wants You to Know

Buying a Home in Markham This Spring — What Your Inspector Wants You to Know

I was standing in the basement of a 1998 two-storey on Bullock Drive last March when the homeowner asked me if I'd seen many foundation cracks like this before. The answer was yes, but not usually in combination with three other things happening at once. Water staining near the rim joist, efflorescence creeping up the foundation wall, and a sump pump that hadn't been serviced in what looked like seven years. That house taught me something I want to share with every buyer walking into Markham this spring: what you see above ground tells only half the story.

I've been inspecting homes in Ontario for fifteen years, and I've watched Markham transform from a quieter suburban community into one of the GTA's hottest real estate markets. The numbers support that. We're sitting at 610 active listings with an average price of $1,390,840 and homes moving in about 20 days. That speed is both exciting and dangerous for buyers who aren't paying attention to what spring inspection season really reveals.

Spring in Markham isn't like spring in Mississauga or even North York. Our geography matters. We're in a transitional zone where the Markham moraine meets lower-lying areas near the Don River valley. That means water management is personal here. You'll see foundation issues that other inspectors might miss if they're not familiar with how our specific soil composition handles the freeze-thaw cycle we just came through. The risk score for Markham sits at 51 out of 100, and 71.1% of homes here are classified as high-risk era properties. That's worth understanding before you make an offer.

Let me walk you through what I'm seeing most often this season, neighbourhood by neighbourhood, and what you should be negotiating around it.

In Unionville and the areas around Main Street, you're looking at a mix of older Victorian and early 1900s homes alongside newer infill. Spring here brings predictable roof issues. Those older homes with multiple roof patches and three-tab shingles past their lifespan are everywhere. I just completed an inspection on Sinclair Avenue where the roof was definitely 22 years old, and the owner had no documentation of any replacement. A full roof replacement in Markham runs between $11,500 and $18,000 depending on pitch and material. You need to know that number before you negotiate.

The Milliken Mills area tells a different story. You've got newer builds from the 1990s and 2000s, which sounds great until you realize that's the golden era for builder shortcuts on HVAC ductwork and basement finishing work. I see finished basements that were completed without proper egress windows constantly. That's not just a comfort issue. If someone's renting that room or your family needs to shelter there, it's a fire code violation. The fix isn't terrible, but it requires thought.

Cornell and the Don Mills corridor are experiencing water intrusion problems this spring more than any other season. The older semi-detached and townhome stock in these neighbourhoods was built on tighter lots with shared walls. When snow melts and heavy spring rains hit, the grading around these properties becomes critical. I inspected a home on Don Mills Road where water was actively entering through a basement window well during my walk-around. The owner had never noticed it because the inspection was in July.

Highway 7 and Steeles Avenue areas see a lot of commercial-to-residential transition. You'll find older commercial buildings converted to residential lofts, which is creative and interesting, but spring inspection of these requires understanding what was sealed, what wasn't, and whether mechanical systems are adequate for actual residential use. I inspected a converted space last April where the HVAC was sized for the original commercial layout, not the four residential units now operating there. The heating costs that tenant was facing were $3,400 per winter month.

Let me be direct about what you're negotiating this spring. Water damage is conversation number one. If you see any staining, efflorescence, or mold, you need a dedicated waterproofing contractor assessment before you close. That assessment costs $275 to $400, but it'll tell you if you're looking at a $2,100 sump pump replacement or a $28,000 exterior foundation waterproofing job. Don't guess.

Roof condition is number two. Spring is when we can actually see roofing clearly without snow cover. If your inspection finds a roof that's mid-life and poorly maintained, ask for either a roof replacement allowance or a substantial price reduction. Don't let anyone tell you "it'll be fine for a few more years." You want to be the one deciding when that replacement happens.

Furnace and air conditioning systems. Spring inspections are perfect timing because you can test cooling systems and observe how the furnace is operating during mild weather transitions. If the system is more than 15 years old, budget $6,500 to $8,900 for replacement. That's a negotiation point.

Check your risk score for the specific property at inspectionly.ca/city-risk-score. This gives you actual data about what other homes in that area have experienced. It'll contextualize what your inspector finds.

Here's my seasonal maintenance checklist for any home you're buying in Markham this spring. Before closing, confirm that gutters are clean and downspouts extend at least six feet from the foundation. Look for standing water anywhere around the foundation perimeter after any rain. Check the basement carefully with a moisture meter in corners and along the rim joist. Inspect the attic for proper ventilation and any signs of previous leaks. Have the HVAC system professionally serviced and get documentation that filters are accessible and the system is operating at design capacity.

Back to that Bullock Drive house I mentioned. The buyers walked away from the deal after my inspection. The sellers later brought in a basement waterproofing contractor and a new HVAC technician. They ended up doing $19,300 in work before the next buyer came through. That first buyer saved themselves from inheriting someone else's problems, which is exactly what a spring inspection should do for you.

Markham is a strong market. Properties are moving quickly, and that creates pressure to move fast and not ask tough questions. Don't do that. A thorough spring inspection catches the issues that matter, and it gives you leverage to negotiate repairs, allowances, or a better price.

Book an inspection at inspectionly.ca/book-an-inspection or call 647-839-9090.