Permits & Bylaws · Burlington

Burlington Permits & Bylaws for Downspout Extensions

Here's how Burlington homeowners actually approach downspout extensions in 2026, based on what our field crews see every week. Lake-effect moisture accelerates crown spalling and flashing rot. Below: what to expect, real numbers, and the questions worth asking before you book.

Quick answer

Downspout Extensions in Burlington falls under Ontario Building Code §9.22 and CSA B365. Cleaning is permit-exempt; structural or liner work is not.

Typical

$95–$152

Duration

30–60 min

Freeze-thaw

67/yr

Permit thresholds in Burlington

Burlington building services generally require a permit for any structural masonry, liner replacement, or new appliance install. Cleaning, cap replacement, and cosmetic work are permit-exempt. Turnaround for over-the-counter permits is usually 5–10 business days.

Certifications that carry weight

WETT SITE-Comprehensive, CSIA CCP or CCS, and WSIB clearance are the three signals adjusters and buyers accept without pushback. HRAI membership adds credibility on venting work.

Which rules apply

Ontario Building Code §9.22 (masonry chimneys), CSA B365 (solid-fuel installations), and WETT SITE-Basic scope cover most downspout extensions work. Insurers typically ask for the WETT report post-completion; municipalities ask for permit sign-off pre-cover.

Common questions

Do you offer same-day downspout extensions in Burlington?

Usually — call before 9am and we'll confirm a same-day arrival window inside Burlington for most standard scopes.

Do you need a permit for downspout extensions in Burlington?

Cleaning and inspection are permit-exempt in Burlington. Structural masonry, liner replacement, or a new appliance install typically need one — we pull it as part of the job when required.

When's the best time of year for downspout extensions in Burlington?

Late September through mid-November with Burlington averaging 121cm of snow starting December. Spring (April–May) is the second window and often 10–15% cheaper.

Is downspout extensions covered by home insurance in Burlington?

Sudden damage (storm, animal, appliance failure) is usually covered minus deductible. Gradual wear generally isn't. A written pro assessment before the claim call materially improves outcomes.

What warranty do you offer on downspout extensions in Burlington?

Five-year written workmanship warranty on materials and labour, transferable to a new homeowner within that window. Manufacturer warranties on any installed products pass through separately.

How long does downspout extensions take in Burlington?

30–60 min is typical for a straightforward job. Bookings in dense downtown zones add 15–20 minutes for parking and staging.

Do you service condos and heritage homes in Burlington?

Yes. Condo boards in Burlington typically want a scope letter and insurance certificate 48 hours out; heritage properties need product substitutions we pre-source.

Are you WETT and WSIB certified?

Yes — WETT SITE-Comprehensive #C-46082, CSIA #12408, and active WSIB #7248194. Certificates emailed on request before the job.