The Best Downspout Extensions & Drainage Company in Oshawa
Extend downspouts 6 feet+ from the foundation with buried or above-ground drain — the #1 fix for wet basements. 500+ five-star reviews from Oshawa homeowners.
Your quote — in 3 quick taps.
A certified expert calls or texts back in under 15 minutes. No spam. Fixed-price written quote.
Best — Downspout Extensions in Oshawa
22 years of continuous operation, 40,000+ GTA homes serviced, no BBB complaints on file.
Fixed-price quotes, 5-year workmanship warranty, and a $5M liability policy behind every visit.
Master-level CSIA and WETT SITE-Comprehensive credentials on every crew leader.
What's included
- ✓ Drops water 6+ ft from the foundation
- ✓ Buried PVC option — no lawn-mower obstacles
- ✓ Flip-up hinge for winter
- ✓ Instant fix for basement moisture
- 1. Assess grade around the foundation
- 2. Choose flip-up, splash block, or buried drain
- 3. Install and slope for gravity flow
- 4. Water-test the full run
Best FAQ — Oshawa
Do you charge for the quote?+
No. Written quotes are free, no obligation, no hard sell — even for major masonry work.
Is your team certified?+
Every technician is WETT SITE-Basic certified at minimum, with lead inspectors carrying SITE-Comprehensive credentials plus CSIA training.
Do you handle insurance paperwork?+
Yes. We photograph, document, and email inspection reports in the format Ontario insurers accept.
Do you work weekends?+
Saturday slots book out weeks in advance. Sunday is emergency-only. Book early for weekends.
Do you carry insurance?+
$5M general liability plus WSIB coverage on every crew. Both certificates are emailed before we set foot on site.
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Book best — Downspout Extensions in Oshawa
Free written quotes. Same-week booking across the GTA.
Quote in 3 quick taps.
Service · urgency · contact. A chimney expert replies in under 15 minutes.
- Fixed-price written quote
- No spam, no sales calls
- WETT & CSIA certified