Inspecting Investment Properties in Ajax — What the Numbers Actually Say

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Aamir Yaqoob, RHI

RHI Certified · OAHI Member · InterNACHI · E&O Insured

April 15, 2026 · 6 min read

Inspecting Investment Properties in Ajax — What the Numbers Actually Say

Last month I walked through a triplex on Westney Road South with an investor from Toronto who was convinced he'd found a gem. The photos online looked crisp, the rent roll was solid at $2,400 per unit, and the asking price seemed reasonable for the area. Within two hours, I'd found $28,000 in deferred maintenance he hadn't accounted for — a roof at 18 of its 25-year life, basement seepage in two of three units, and electrical panel upgrades that were code-critical, not optional. He almost walked away. Instead, he renegotiated the price down $32,000, factored in a $15,000 contingency for surprises, and closed. That's what an investment inspection actually does.

I've been inspecting homes in Ajax for 15 years, but the investment side of my practice has grown considerably in the last five. It's a different animal than inspecting someone's primary residence. When a young couple buys a house to live in, they're emotional. They want to know if the kitchen's nice and the yard gets sun. When an investor walks through a property, they're doing math. They're calculating whether a $22,000 foundation crack will get worse in five years, whether they can pass the cost to tenants, and whether the property will still cash flow if they repair it themselves or hire it out. I need to give them the ammunition to make that calculation correctly.

The Ajax market right now sits at an average price of just over $1,000,629 with 167 active listings. Days on market average around 20, which tells me inventory is tight but not frantic. What matters more for investors is the risk profile. Ajax scores a 59 out of 100 on the structural risk scale I use — higher than I'd like, which means about 77 percent of the housing stock here was built in what I call the "high-risk era," primarily the 1980s through early 2000s. That's not a deal killer, but it tells you to be thorough. You can check detailed neighbourhood risk scores at inspectionly.ca/city-risk-score before you even make an offer.

What separates an investment property inspection from a primary residence inspection isn't the tools I use or the rigor. It's the questions I answer and the language I use in the report.

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When I'm inspecting a house someone's moving into, I'm looking for safety and functionality. Is the roof holding? Are the systems operational? Does the foundation need work? A homeowner wants to know if the house will stand up for the next decade and what might break.

An investor needs to know something different. They need to know which issues are tenant-caused and which are deferred maintenance from the previous owner. They need to know whether a problem will get worse on its own or whether it'll stay stable if they leave it alone. They need to understand what code requires them to fix versus what's a choice. Most importantly, they need to calculate the repair cost against potential rental loss if they don't fix it, and the ROI on repairs against the net operating income the property generates.

Let me give you concrete numbers. A basement in an Ajax rental property showing efflorescence and minor seepage — we're talking surface moisture, not flowing water — might need $3,200 in interior sealing and dehumidifiers. The tenant probably won't break lease over this. But if you're getting water intrusion in the foundation and damp walls, you're now at $8,700 to $14,000 for exterior grading, weeping tile repair, or membrane work. That moves the needle on whether the property pencils out. If you're generating $2,400 monthly rent and you have to spend $12,000 on the foundation, that's five months of gross rent. Your actual net impact is larger because you'll have lost rent from vacant showings, and the tenant might demand a reduction.

Kitchens and bathrooms are where tenant-caused versus deferred maintenance splits most obviously. A kitchen with dated cabinets and worn counters is deferred maintenance. It'll be 12 years old if the house is 12 years old. You budget to refresh it, and you might push rent up $100 to $150 monthly. That $4,287 kitchen renovation pencils out over 36 to 40 months, which is reasonable. But a kitchen with missing cabinet doors, stained counters, broken appliances, and damaged flooring might be tenant damage. Some investors will take a credit at closing rather than fix it themselves. Others will fix it, increase rent to compensate, and keep the tenant. It changes your entry economics.

Ajax neighbourhoods break into distinct investment profiles. Downtown Ajax near the waterfront and Harwood Avenue offers smaller, older properties with higher cap rates but more deferred maintenance. The stock tends to be 1970s and earlier. It's where you'll find older bungalows and semis that rent for $1,900 to $2,200 but need constant attention. Pickering has less tax burden if you're crossing the border, so some investors prefer it, but Ajax proper gives you better access to the GO Transit corridor.

Westney and North Street corridors hold larger semis and smaller duplexes built in the 1990s and 2000s. These properties rent higher — $2,200 to $2,600 for a two-bedroom — and the maintenance profile is more predictable. Windows might be original, but they're not from 1987. Electrical's usually adequate without panel replacement. You're paying more per unit, but your repair costs are front-loaded rather than constant.

The developing areas west of Westney Road towards Lake Ridge Park appeal to newer investors because the housing stock is younger. You'll see properties from the 2000s and 2010s. Rent's competitive, maintenance is minimal, but you're also paying top dollar at purchase. Your cap rate is lower. It works if you're banking on appreciation or if you have a 10-year hold plan.

Here's what shows up constantly in Ajax rental inspections. Roofs. The high-risk-era shingle roofs we see everywhere here are holding to about 18 to 22 years on average. By the time you buy the property, that roof might have five to seven years left. Budget $11,000 to $15,000 for a 2,000-square-foot home. Second issue: electrical panels. Many homes still have 100-amp panels that tenants are overloading. They're not dangerous yet, but insurance companies are starting to flag them, and some won't insure rental properties without upgrades. That's $2,800 to $4,100. Third: foundation cracks. Ajax soil is clay-heavy, and seasonal movement is normal. Hairline cracks are cosmetic. Wider cracks, especially horizontal ones, tell me water pressure is pushing inward. That's a $6,000 to $12,000 problem depending on severity.

The real scenario I mentioned at the start deserves the ending. That investor on Westney Road South paid $892,000 instead of $924,000. He factor in $15,000 contingency. He negotiated a 90-day close to get three quotes on the roof and electrical. He ended up spending $9,400 on the roof (his contractor was cheaper than my estimate), $3,600 on panel upgrade, and $2,100 on grading work for the seepage. Total actual spend was $15,100. He'd budgeted $15,000. The property now rents at $7,400 monthly across three units. His mortgage payment is $4,100. His net operating income is $3,300 monthly, or roughly a 4.4 percent cap rate on his cash investment. Without the inspection and renegotiation, he'd have overpaid by $32,000 and faced surprise costs.

That's why you hire someone who knows Ajax specifically, knows the risks that exist in this market, and can translate structural issues into financial impact.

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

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