Cornwall, Ontario has 16 verified waterproofing contractors on file. This market includes JSM Elite Contracting, which holds a 5.0 rating backed by 21 Google reviews—a strong indicator of operational maturity. Each verified record includes email, phone, location, and Google review data for immediate outreach.
Five rows from the full 16-row dataset, sorted by rating & review count. The complete CSV includes phone, full street address, postal code, website URL, Google rating, review count, email type (corporate vs webmail), and the parent domain.
| Name | Rating | Reviews | |
|---|---|---|---|
| JSM Elite Contracting | ★ 5.0 | 21 | — |
| Ground Level Construction | ★ 5.0 | 13 | office@ground-lvl.com |
| Cornwall Renovations JSM Elite | ★ 5.0 | 4 | — |
| Robert Boileau Construction LTD | ★ 5.0 | 2 | — |
| GRD Renovations | ★ 5.0 | 1 | info@grdrenovations.com |
The Cornwall waterproofing market averages 3.84 stars across 310 total Google reviews, with 9 of 16 operators rated 4.5 or higher. Notably, 38% of waterproofing businesses use corporate email addresses (info@, contact@, hello@)—a signal of professionalism and business infrastructure. The market shows strong quality clustering: top five operators all hold 5.0 ratings.
Build waterproofing customer segments with verified contractor data. Use this list to test project management, CRM, or inspection software adoption across a concentrated market of 16 qualified operators ready for tools that scale their service delivery.
Establish territory coverage with 16 direct waterproofing contacts in Cornwall. Reach operators across all rating tiers—from JSM Elite Contracting (21 reviews) down to emerging service providers—without wasting cold calls on inactive or residential accounts.
Target high-intent waterproofing contractors who already earn and manage Google reviews. With 38% using corporate email addresses, this segment is primed for SEO, paid search, and reputation management—proven decision-makers who invest in their online presence.
The list contains 16 verified waterproofing contractors in Cornwall, Ontario. Each record has been cross-checked for active business status, email validity, and Google review data to ensure accuracy and deliverability.
Every record includes business name, verified email address, phone number, physical location, Google rating, and review count. Records are delivered as a single CSV file ready for import into any CRM or outreach platform.
Corporate email adoption (info@, contact@, hello@) typically signals business maturity and operational stability. In Cornwall's market, this 38% rate reflects a professional, established segment positioned to evaluate enterprise tools and services.
Yes. The list includes all 16 verified contractors across the full rating spectrum. Nine rate 4.5 stars or higher, while others have fewer reviews or lower ratings—useful for mapping competitive gaps or entry-level business opportunities.
Yes. All lists are delivered instantly as a CSV file. You can download, import, and begin outreach within minutes of purchase—no waiting, no manual data entry required.
Data is refreshed quarterly to capture new contractors, updated ratings, and changed contact information. Google review counts and ratings are pulled from live business profiles, so you always have the most recent market snapshot.
Find a verified waterproofing near you. Get directions or visit their website directly — sorted by Google rating.
Start with the rating — look for a waterproofing holding 4.5 stars or higher with a healthy number of recent reviews, which signals consistent, current service. Confirm they're properly licensed and insured for the work you need, and read a few reviews to see how they handle problems, not just praise. The listings below are sorted by Google rating to make this easier.
Pricing varies widely by the scope of the job, materials, and how urgent the work is, so there's no single rate. The most reliable approach is to contact two or three waterproofing directly for a quote on your specific situation. Use the "View on Google Maps" or "Visit Website" buttons on each listing to reach out.
Yes. Every listing is sourced from public Google Business Profile data — business name, rating, and review count — and refreshed monthly so closed or relocated businesses drop off. We show only what's already public; we don't add or alter business details.
Click "View on Google Maps" to get directions, hours, and the business's public contact options, or "Visit Website" to reach them online. We don't publish private phone numbers or email addresses here — the business's own Google profile and website are the right place to get in touch.
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