I walked into this beautiful colonial on Leslie Street yesterday and immediately smelled that musty

I walked into this beautiful colonial on Leslie Street yesterday and immediately smelled that musty basement odor that makes my stomach drop. The sellers had done a gorgeous renovation upstairs – granite counters, hardwood floors, fresh paint – but when I got downstairs, I found water stains along the foundation wall that told a completely different story. The sump pump was bone dry, which meant it hadn't run in months, and there were mineral deposits on the concrete that screamed chronic moisture issues. The buyers were already talking about moving in by Christmas, and I had to be the one to tell them they'd be spending their holidays dealing with a flooded basement.

After 15 years of inspecting homes across Ontario, I've learned that Holland Landing properties require extra attention. You'll find homes here averaging around $800,000, and most are about 25 years old – right at that age where major systems start failing. What I find most concerning is how many buyers get swept up in the charm of these neighborhoods and forget to look at what's hiding behind the walls.

Just last week, I inspected three homes in the Harvest Hills area. Every single one had HVAC issues. The first house on Doane Road had a furnace that was literally held together with duct tape – I'm talking about a $4,200 replacement that the buyers had no idea was coming. The second home had ductwork so poorly installed that half the house wasn't getting proper airflow. You know what that means? Hot spots in summer, cold spots in winter, and energy bills that'll make you question your life choices.

The third house was the real winner. Beautiful curb appeal, perfect staging, listed for $795,000. The furnace looked fine from the outside, but when I opened it up, the heat exchanger had hairline cracks that could've been leaking carbon monoxide. That's a $6,800 repair minimum, assuming they could even find the parts for a unit that old. Buyers always underestimate how quickly these costs add up.

I've been seeing more foundation issues in Holland Landing lately, especially in homes built in the late '90s and early 2000s. The clay soil here doesn't do older foundations any favors. Last month, I found a home on Holland River Drive where the basement wall had shifted almost two inches. Two inches might not sound like much, but that's a $15,000 to $25,000 fix, and that's if you catch it before the wall fails completely.

The electrical systems in these older Holland Landing homes tell their own story. I can't tell you how many times I've found panel boxes that should've been replaced a decade ago. Federal Pacific panels, cloth-wrapped wiring, outlets without GFCI protection in bathrooms and kitchens – it's like a museum of electrical code violations. A complete electrical upgrade runs about $8,500 to $12,000, depending on the house size.

Here's what really gets me fired up: the number of homes I see where previous owners tried to DIY major repairs. I inspected a house on Green Lane last Tuesday where someone had "fixed" a plumbing leak by wrapping it with electrical tape and calling it good. The water damage had spread to three floor joists before anyone noticed. That repair bill came to $13,750, not including the flooring they had to replace upstairs.

Roofing is another area where Holland Landing homeowners seem to cut corners. With properties staying on the market for varying lengths of time, sellers sometimes do quick patch jobs to get through the sale. I've seen too many homes where they've just layered new shingles over old ones, creating weight issues and hiding problems underneath. When that roof fails – and it will fail – you're looking at $18,000 to $22,000 for a complete replacement on these larger homes.

The plumbing systems worry me too. Most of these 25-year-old homes still have their original fixtures and pipes. I find galvanized pipes that are ready to burst, water heaters that are living on borrowed time, and sump pumps that haven't been serviced in years. A complete plumbing overhaul can run $11,000 to $16,000, depending on how extensive the problems are.

What buyers don't realize is that home inspections in Holland Landing need to be thorough because of the area's unique challenges. The proximity to the Holland River means moisture issues are common. The soil conditions can cause foundation settling. The age of most homes means multiple systems are reaching end-of-life at the same time.

I always tell my clients to budget an extra $20,000 to $30,000 beyond their purchase price for the first year of ownership. Sounds excessive? I wish it were. In 15 years, I've never seen a Holland Landing buyer regret being overprepared, but I've seen plenty who wished they'd listened to my warnings about that "minor" issue I found during inspection.

The spring market in April 2026 is going to be interesting. More inventory might give buyers leverage to negotiate repairs, but it also means more homes with deferred maintenance hitting the market. Sellers who've been waiting for better conditions might try to offload properties they've been putting bandaids on for years.

Don't let a beautiful kitchen renovation blind you to the $20,000 worth of mechanical issues hiding in the basement. I've seen too many Holland Landing buyers fall in love with granite countertops and ignore the foundation crack I'm pointing out. Book your inspection early, ask the hard questions, and remember that I'm not trying to kill your deal – I'm trying to save you from buying someone else's problems.