Alliance Construction & Waterproofing

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107 Banting Ave, Oshawa ON L1H 2M5

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Alliance Construction & Waterproofing has not yet been rated. Be the first to write a review. The average customer rating for other businesses providing similar services serving the Oshawa area is 4.9.

Overall Rating Summary

Quality of work N/A NA
Timeliness N/A NA
Cleanliness N/A NA
Budget N/A NA
Communication N/A NA
Courteous N/A NA

Rating Distribution

Very Good


Alliance Construction & Waterproofing has a TrustScore™ of 3.5. The average TrustScore™ for other businesses providing similar services in Oshawa and the surrounding areas is 3.5. For detailed information on how TrustScore is calculated, click here.

TrustScore 3.5 / 5.0
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The following elements are used to calculate TrustScore:

Customer Reviews Last 12 Months All Time
Total Received 0 0
Approved 0 0
Unverified 0 0
Suspicious 0 0
Overall Rating N/A N/A
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Complaints Received Last 12 Months Last 3 Years
Suppliers & Creditors 0 0
Employees & Sub-Contractors 0 0
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Posted License Information Not yet provided
Posted Liability Insurance Not yet provided
Posted Workers Compensation Not yet provided
Ever Provided False or Misleading Information No
Company Website Not yet provided
Social Media Profiles Not yet provided
Endorsed by Peers Not yet endorsed
In Business Since 2005
Member of TrustedPros Since 2011

TrustedPros does not validate certain information provided by contractors and vendors in conjunction with the creation or maintenance of their profile. TrustScores are provided for informational purposes only. We urge you to use the TrustScore™ in conjunction with the tips provided in our Hiring Guide to maximize the probability of hiring the best professional for you project.

Main Services Offered


Servicing all of Southern Ontario, we are known for offering quality waterproofing solutions at reasonable rates. We are experienced in application of all waterproofing products and have experienced concrete finishers and masons for your convenience.


Our experienced masons have completed hundreds of brick, block and stone projects from underpinning and rebuilting deteriorated walls to new construction, garages and additions. We also specialize in waterproofing and concrete finishing.

Excavation Services

We offer excavation services including consultations in solving water issues. Some of our past excavation projects include trenching around foundations and pipe installation. Licensed and experienced heavy equipment operators. Insured.

Other Services Offered


We offer landscaping services including stone installation, interlock, patios, stairs and retaining walls. We also build decks, fences and pergolas.

Additional Information

Main Contact(s): Sean Ellis , Stephanie Trevena
Alternate Phone Numbers: 1-877-723-22,
Listed with TrustedPros since: 2011
Residential work: Yes
Commercial work: No
Accepts credit cards: No
Year established: 2005
Offers financing: No
24 Hour emergency Service: No
Legal structure: Sole Proprietor
Offers Financing: No
Licensing Information: Contact Alliance Construction & Waterproofing to request licensing info.
Insurance Information: Contact Alliance Construction & Waterproofing to request insurance details.

Check local laws pertaining to license requirements and verify license and insurance details provided by the contractor prior to hiring.


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