Gutter & Eavestrough Cleaning in Toronto

The maple problem

Toronto’s eavestrough calendar is set by its street trees, and the dominant species — Norway maple and silver maple — drop twice a year rather than once.

The autumn leaf-fall is the one everybody plans for. The one that catches people out is late spring, when both species release an enormous volume of winged seed. Maple keys behave differently from leaves: they mat into a dense fibrous layer, they hold water rather than letting it through, and they germinate. Finding seedlings several inches tall growing out of a trough in July is routine in Leaside, High Park and the older parts of the east end.

A property cleaned once a year in October therefore spends June through September with a partially blocked trough, which is exactly the period when Toronto gets its heaviest short-duration rainfall.

This is why we schedule the city on two passes and treat the spring one as equally important.

Toronto’s four drainage situations

Standard external eavestrough on a detached or semi. The common case across Leaside, the Beaches, Riverdale and most of the west end. Straightforward hand-clearing, bagging, downspout flush and flow test.

Flat-roof rowhouses and semis with internal drains or scuppers. Common downtown and through Parkdale, Cabbagetown and parts of Leslieville. There is no trough to clear, but there is a drain grate or a scupper that collects exactly the same debris. The stakes are higher: a blocked external trough overflows harmlessly down the wall, while a blocked internal drain has nowhere to go except into the roof assembly. We clear and flow-test these; anything below the grate belongs to a roofer.

Buried downspout extensions. Widespread on older Toronto stock. The downspout disappears into the ground and runs to the street or a soakaway. These silt up independently of the trough and are a common reason a homeowner says “I just had them cleaned and it still backs up.”

Wildlife occupation. More common in Toronto than most people expect. Raccoons and squirrels nest in wide downspouts and behind trough end-caps, particularly on the older east-end stock.

On the wildlife point, plainly

If we find an animal in your downspout we will photograph it, clear the rest of the roofline, and stop there.

Wildlife removal in Ontario is a licensed activity. A cleaning crew pulling a nest out of a downspout is both illegal and, in raccoon terms, a genuinely bad idea — spring nests contain kits, and the regulations around humane removal and reunion exist for good reason. We will tell you what we found, point you at a licensed wildlife control operator, and come back for that run at no additional mobilisation charge once it has been handled correctly.

Why we clear by hand

Blowing a trough out with a leaf blower is faster and we do not do it.

On a Toronto lot the debris has to go somewhere, and “somewhere” is the roof below, a valley where it will re-accumulate, the garden, or — most often — the neighbour’s property two metres away. Wet autumn leaf litter does not blow cleanly in any case; it packs.

So: scoop, bag, carry off the property. Then flush each downspout individually with low-volume water and watch the outlet during a flow test. That test is the step that catches a blocked buried extension, a disconnected elbow, or a run pitched the wrong way and holding standing water — none of which are visible from a photograph of a clean trough.

Neighbourhood notes

Leaside. Mature silver maples on almost every street, wide lots, good access. The autumn visit here is the heavy one and it wants to be late — early November rather than mid-October.

High Park and Swansea. The densest canopy in the west end, and significant spring seed load. Three visits a year is genuinely justified on many of these properties.

The Beaches. Mixed. Tree cover is heavy inland and thinner toward the water. Lakeside properties pick up wind-blown grit that fines up the trough without visibly filling it.

Riverdale and Leslieville. Older stock, narrow shared walkways, and a high incidence of buried downspout extensions. Access planning matters here more than tree cover does.

Parkdale and Cabbagetown. A high proportion of flat-roof drainage — scuppers and internal drains rather than external troughs.

The Junction and Dovercourt. Narrow lots, shared walkways, and frequent semi conditions where the downspout discharges close to a neighbour’s foundation. Worth checking outlet direction while we are up there.

Forest Hill and Rosedale. Large properties, heavy mature canopy, and extensive landscaping that constrains where a ladder can be footed.

Timing the two visits

Late spring, once the maple keys have finished dropping — typically late May into early June depending on the year. Clearing before the drop finishes means paying twice.

Late autumn, after leaf-fall is genuinely complete. Toronto’s canopy finishes at different times across the city; the mature streets in Leaside and High Park hold leaves into early November. Booking the autumn clean for mid-October in those areas reliably produces a trough that is full again by the time the first freeze arrives — and a trough full of wet leaf litter going into a freeze is the mechanism behind ice damming.

If you are booking one visit only, make it the autumn one, and make it late.