Blog · Cambridge

Commercial and multi-unit gutter cleaning in Cambridge: what property managers and landlords need to know

On a Cambridge commercial or multi-unit building, the eavestroughs are the owner's responsibility under the City's Property Standards By-law, which requires them to be kept in good repair and weathertight and forbids roof drainage from discharging onto walkways, sidewalks or neighbouring property. For a property manager that turns gutter cleaning from a chore into a scheduled obligation, with a photo record to prove it was done.

Last updated October 24, 2026 · Reviewed by the Cambridge Gutter Cleaning team

Who is responsible for the gutters on a commercial or multi-unit building in Cambridge?

The property owner, and the City of Cambridge spells it out. Property Standards By-law 26-021 requires every eavestrough, roof gutter and downspout, whether installed individually or as part of a system, to be maintained in good repair and weathertight (section 5.11), and every roof to be kept clean and free of waste, debris and conditions that could create an unsafe condition (section 5.10). Section 4.9 requires every downspout, sump pump or other device meant to discharge water to direct it away from buildings and structures. Section 4.8 says no roof drainage or similar device shall discharge onto an entranceway, walkway, stair or sidewalk, or directly onto neighbouring property, and section 4.10 requires yards to be graded and maintained to prevent excessive or recurrent ponding, including on adjacent premises.

Read together, those sections describe exactly what a blocked commercial gutter does: it overflows onto the walkway at the front door, it dumps at the foundation, and in winter it leaves a sheet of ice on the sidewalk where customers and tenants walk. A complaint to the City's by-law staff about any of that lands on the owner or manager, not the tenant.

How commercial gutters differ from a house

Not every commercial roof has eavestroughs. Flat roofs on the plazas along Hespeler Road and in the industrial parks drain through internal roof drains and scuppers, and clearing those is roofing work, not gutter work. The buildings this applies to are the ones with sloped roofs and eavestroughs: strip plazas and standalone shops in Hespeler and Preston, converted houses and small multiplexes in the Galt core, townhouse blocks, churches and halls, and the older mixed-use buildings along Main Street and King Street with apartments above the shops.

Long runs, few downspouts. A plaza eave can carry a long run of trough into two or three downspouts, so one blocked outlet floods a large stretch of frontage.
Discharge onto hard surfaces. Commercial downspouts tend to let go onto asphalt and concrete, where water sheets across the parking lot and freezes. The City's stormwater advice is to direct downspouts onto grass or a rain garden rather than hard surfaces, and section 4.8 of the by-law makes the walkway version of that a compliance matter.
Nobody on site owns the problem. On a multiplex or a converted house, tenants notice the overflow and assume someone else is dealing with it. Without a schedule, nobody is.
Height and access. Three-storey mixed-use buildings in the Galt core put the eave well above ladder range for safe work, and the footing below is a sidewalk or a laneway with traffic.

Access, heights and the rules the crew works to

Ontario's Construction Projects regulation, O. Reg. 213/91, applies its fall protection sections wherever a worker may fall more than 3 metres, requiring a guardrail or, where that is not practicable, travel restraint, fall restricting, fall arrest or a safety net. Portable ladders on a project must meet CSA Grade 1 or better, sit on firm and level footing at the right angle, and be secured where they are used for access. O. Reg. 297/13 requires workers who may use fall protection to hold working at heights training approved by the Chief Prevention Officer, valid for three years.

For a commercial job that means a decision before anyone arrives: ladder with stand-offs where the eave is within reach and the footing is sound, or a lift where it is not. It also means scheduling. A plaza frontage is cleaned early in the morning before the shops open or on a day the lot is quiet, with the area under the ladder coned off; a multiplex is done with tenants notified of the date and asked to move cars off the side where the work is. The contractor we book for Cambridge carries the training and insurance, and a quote for a commercial building says which access method is planned and why.

The stormwater fee and the non-residential credit

Since the July 1, 2025 billing cycle the City of Cambridge has charged a stormwater fee on the water bill. Residential properties pay a flat annual rate by lot size. Non-residential properties pay by area, and they are the only properties eligible for a stormwater fee credit. The City's page describes credits of up to 50 per cent in total, in three parts: up to 20 per cent for facilities that control the peak flow leaving the property, up to 20 per cent for facilities that reduce runoff volume through infiltration, evapotranspiration or reuse, and up to 10 per cent for water quality treatment. Applications need design drawings, specifications and operating procedures certified by a professional engineer, and credits run for up to five years.

Gutter cleaning does not earn any of that on its own. What it does is keep a credited system working: an infiltration bed or an oil-grit separator fed by roof leaders full of leaf compost silts up, and the operating procedures the engineer certified almost certainly assume the roof drainage is maintained. If your building holds a credit, a scheduled clean with photos is part of the paperwork.

How often, and when

Once in November after the leaves, and once in spring on treed sites, which in Cambridge's older cores is most of them. Environment Canada's normals for the Region give December a mean high of 0.2 C against a low of -6.8 C, so the fall clean needs to land before that freeze-thaw cycle starts turning a full trough into an ice shelf over the front door. For a portfolio of buildings, a seasonal maintenance plan puts every address on a route with a date, a downspout flush and test at each one, and before-and-after photos filed per building, which is the record you want if a slip-and-fall claim or a by-law complaint ever asks what was done and when.

What this means for your quote

Commercial and multi-unit work is quoted after a site look, not from the street: roof type and whether it has eavestroughs at all, eave height and the footing below, number and condition of downspouts, where each one discharges, and what access and scheduling the site needs. Planning ranges for residential work are on the Cambridge gutter cleaning cost page; commercial quotes are written per building. Send the address and a few photos of the frontage and the contractor we book for Cambridge will come back with an access plan and a written number.

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