Superior Plumbing & Heating of Oshawa
61/100 WaterproofingIndex Score
0.8 km from Oshawa centre
OshawaSump Pumps & Backwater Valves
- Says it is licensed
Its own website describes below-grade water work
DSM Plumbing & Water Systems
Sump Pumps & Backwater Valves
Last updated: By Below-Grade Records Desk
Request a quote
DSM Plumbing & Water Systems has not claimed this listing. The form reaches WaterproofingIndex.
Photograph published by DSM Plumbing & Water Systems on its Google Business Profile. WaterproofingIndex has not checked what it shows, and does not check any claim, offer or phone number printed inside an image.
Record
About DSM Plumbing & Water Systems
DSM Plumbing & Water Systems describes itself as a sump pump and backwater valve installer and covers Courtice.
Listed under Sump Pumps & Backwater Valves. Seven days of hours on record. 4 photos on this record. Five stars from 439 of them. Google rates DSM Plumbing & Water Systems at 4.9 over 454 reviews.
420 words of DSM Plumbing & Water Systems's own pages were read. The below-grade wording found in them: sump pump, sump pumps.
Terms this site searched for, not the company's own sentences. WaterproofingIndex has not checked any licence, insurance, certification or warranty the company claims anywhere.
Service options
- Online estimates
Offerings
- Repair services
Payments
- Credit cards
- NFC mobile payments
Method
WaterproofingIndex Score
72 / 100
This is the number every list on this site is ordered by. It is worked out the same way for all companies listed here, and the method page prints every point of it.
Reviews and reputation
38 / 40
- Adjusted Google rating24 / 26
- Review volume14 / 14
What it states on its own site
9 / 35
- Licence and insurance sentences on its own site9 / 13
Website and record
25 / 25
- Website answered when we checked it10 / 10
- Themes reviewers keep repeating6 / 6
- 3 or more photographs3 / 3
- Phone on file2 / 2
- Hours posted2 / 2
- Service areas stated on its site2 / 2
What it states on its own website
Read off this company's own pages on August 31, 2026. Each line is followed by the sentence it came from. WaterproofingIndex has not checked any of it against a registry, and for basement waterproofing in Ontario there is no registry to check.
- Says it is licensed
“Durham Region & Oshawa Plumber - Licensed & Insured | DSM Plumbing Company Tweet CALL US TODAY Durham: 905-728-”
- Says it is insured
“Durham Region & Oshawa Plumber - Licensed & Insured | DSM Plumbing Company Tweet CALL US TODAY Durham: 905-728-3270 Menu”
Themes running through this company's own reviews
Drawn from the Google reviews already stored on this record, against a fixed list of themes. Each one carries the reviewer's own words. These are what customers wrote, not a conclusion WaterproofingIndex reached, including the ones that are complaints.
- Came out urgently
“he came the same day I called”
- Honest and straightforward
“He gave me honest and knowledgeable advice”
- Explains the problem
“He took the time to explain everything properly”
- Inspects before quoting
“and didn’t even charge me for the inspection.”
- Fair pricing
“Fair pricing, great service, and top-quality work”
- Knows the trade
“They were incredibly professional and knowledgeable”
Pillar weights: reviews 40, what it states about itself 35, website and record 25.
Method
What we checked
5 of 5 signals present on this record.
- Publishes a website
- Has a phone number on the public record
- Has 3 or more photos
- Publishes opening hours
- Has Google reviews
Its own website describes below-grade water work
Found on the company's own pages: sump pump, sump pumps.
Ontario licenses nobody for basement waterproofing, so there is no licence for this site to look up, and it does not verify insurance, WSIB clearance or any warranty a company offers. Nobody here has stood in one of these basements.
Method
Services
- Sump Pumps & Backwater Valves
Reviews
What customers say
Highlights via Google reviews. Ratings are set by reviewers, not WaterproofingIndex.
- a month ago
“We highly recommend. Darryl and Nate came very fast to help us. They were incredibly professional and knowledgeable. We had them change a well line and tank as a preventive measure. Not only was the service great, the price was…”
Elizabeth· via Google reviews
- 4 months ago
“Daryl is wonderful. He attended and worked on our well and was very knowledgeable and professional. He was able to identify and correct problems that were previously unknown. I would also recommend getting your well inspected when buying a house.…”
Kim· via Google reviews
- 2 months ago
“Had a serious well water quality issue and called these guys for help. Darryl came within half an hour and immediately knew what the problem was. He gave me honest and knowledgeable advice and went out of his way to…”
Memona· via Google reviews
- 5 months ago
“We were completely out of water and after one quick call, Darryl was at our house within an hour to assess the situation. He clearly explained our options to repair or replace, provided a quick quote, and scheduled the replacement…”
Craig· via Google reviews
- 2 months ago
“I was impressed with the expertise of Darryl and how he fixed our well, the same day! Our well had a contamination issue and it was repaired without even having to dig the dirt around it. This was great news…”
Eric· via Google reviews
Hours
| Monday | 7:30 a.m.–8:30 p.m. |
|---|---|
| Tuesday | 7:30 a.m.–8:30 p.m. |
| Wednesday | 7:30 a.m.–8:30 p.m. |
| Thursday | 7:30 a.m.–8:30 p.m. |
| Friday | 7:30 a.m.–8:30 p.m. |
| Saturday | 9 a.m.–5 p.m. |
| Sunday | 9 a.m.–5 p.m. |
Contact
Contact DSM Plumbing & Water Systems
- DSM Plumbing & Water Systems has not claimed this listing, so no phone number is published for it. Request a quote and the form reaches WaterproofingIndex.
- Visit website
- 9 Thornbury St, Courtice, ON L1E 2B9
- View on Google Maps
Coverage
Similar pros nearby
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- Says it is insured
Its own website describes below-grade water work
Oshawa Plumbing
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OshawaSump Pumps & Backwater Valves- Says it is licensed
- Says it is insured
Its own website describes below-grade water work
DSM Plumbing & Water Systems: frequently asked questions
Is DSM Plumbing & Water Systems well reviewed?
- DSM Plumbing & Water Systems: 4.9★ over 454 Google reviews. Strong for a sump pump and backwater valve installer on this dataset.
Where does DSM Plumbing & Water Systems operate?
- DSM Plumbing & Water Systems publishes no street address, and this site does not place it in a Greater Toronto Area neighbourhood on coordinates alone. Ask it which areas it covers.
How do I contact DSM Plumbing & Water Systems?
- DSM Plumbing & Water Systems has not claimed this listing, so no phone number is published for it. Its website is linked above. The request form on this page reaches WaterproofingIndex.
What does DSM Plumbing & Water Systems charge for sump pump and backwater valve work?
- DSM Plumbing & Water Systems sets its own prices. The GTA benchmark for primary sump pump installed in an existing pit is $1,400 to $2,400 per installed system (Tornado Plumbing & Drains (Toronto)), before 13% HST. Ask it for an itemised quote.