The best general contractors in Waterloo in 2026 are Pro House Maintenance, Top Level Construction and Total Homeworx, then five more top-rated local firms. Our Google Maps searches found 113 businesses for Waterloo. Only 18 were Waterloo general contractors with a website and 4.5 stars from 10 or more reviews. A mid-range Waterloo kitchen costs $35,000 to $60,000 in 2026, and a permit to finish a basement costs $351.
- Only 18 of the 113 businesses our Waterloo general contractor search found met our bar of 4.5 stars from 10 or more reviews.
- All 7 ranked Waterloo general contractors hold a 5.0 Google rating, from 13 to 79 reviews each.
- PD Renovations puts a mid-range Waterloo kitchen at $35,000 to $60,000 and a mid-range basement at $45,000 to $70,000 in 2026.
- Waterloo charges $1.41 per square foot for an addition permit and a flat $351 to finish a basement.
- Waterloo says it issues house, addition and reno permits within 10 business days of a complete application.
| Rank | Company | Best for | Credentials | Google rating | Based in |
|---|---|---|---|---|---|
| 1 | Pro House Maintenance | Comparing vetted general contractors for free | Every pro: licences, WSIB, insurance, references, background | Not applicable (matching service) | Serves Waterloo |
| 2 | Top Level Construction Inc | Renovations of any size | None stated on its website | 5.0 (79 reviews) | Waterloo |
| 3 | Total Homeworx Inc. | Remodels across Waterloo Region | None stated on its website | 5.0 (46 reviews) | Service area only |
| 4 | Custom Contracting Group | Accessibility renovations | None stated on its website | 5.0 (33 reviews) | Waterloo |
| 5 | Executive Contracting | Outdoor living and tiny homes | None stated on its website | 5.0 (26 reviews) | Waterloo |
| 6 | Build or Fix it Contracting | Smaller jobs from a family firm | Founded 2019 (company-stated) | 5.0 (20 reviews) | Waterloo |
| 7 | Sonnarc Homes Ltd. | Additions and custom homes | None stated on its website | 5.0 (17 reviews) | Waterloo |
| 8 | Wellington County Craftsman Inc. | Renovations with custom carpentry | None stated on its website | 5.0 (13 reviews) | Waterloo |
Who are the best general contractors in Waterloo in 2026?
The best general contractors in Waterloo in 2026 are Pro House Maintenance, Top Level Construction and Total Homeworx. Next come Custom Contracting Group, Executive Contracting, Build or Fix it Contracting, Sonnarc Homes and Wellington County Craftsman. All seven firms we rank hold a 5.0 Google rating, from 13 to 79 reviews each.
1. Pro House Maintenance: best for comparing vetted general contractors for free
Pro House Maintenance is our free matching service, and it ranks first because it does the screening for you. The pros we match in Waterloo have passed WSIB, insurance, reference and background checks. You describe the job once, get several written quotes and pick the one you want. Our satisfaction guarantee covers the pro you hire.
Waterloo contractors are hard to sort. Our search found 113 businesses, and only 18 were Waterloo general contractors with a website and 4.5 stars from 10 or more reviews.
- Trade licences. Renovations and additions often include electrical and gas work, so we confirm ESA and TSSA licences for the trades that need them.
- WSIB clearance and liability insurance. We confirm a current WSIB clearance and commercial general liability insurance before a pro joins our network.
- Reviews and references. We read public reviews and speak with past clients before a pro is accepted, looking for patterns, not one-off complaints.
- Background checks. We run background checks before a pro is matched with homeowners, because the people in your home matter as much as the work.
- Tell us about the job. Share the project and your address through the free quote form. It takes about a minute.
- Get matched with vetted pros. We match you with several pros who have already passed our checks and serve your area.
- Compare written quotes. Each pro gives you a written quote, so you can compare price, scope and timing side by side.
- Hire with a guarantee behind you. You choose who to hire. Work from a pro we matched you with is backed by our satisfaction guarantee; ask us for the terms before you sign.
2. Top Level Construction Inc: best for renovations of any size
- Google rating 5.0 from 79 reviews checked Oct 28, 2026
- Based in Waterloo
- Visit the Top Level Construction Inc website
Top Level Construction lists a Marsland Drive address in Waterloo and holds a 5.0 Google rating from 79 reviews, the most on this list. Its site says the family firm serves Kitchener and Waterloo with “interior and exterior renovation projects of all sizes.” That covers a single room up to a full rebuild.
- Strengths: It has the most reviews of the seven and still holds a 5.0.
- Watch-outs: We found no start year, insurance or warranty terms on its site, so ask for all three in writing.
- Best for: A kitchen, basement or full-home job in Uptown Waterloo or Eastbridge.
3. Total Homeworx Inc.: best for remodels across Waterloo Region
- Google rating 5.0 from 46 reviews checked Oct 28, 2026
- Based in Service-area business (no public street address)
- Visit the Total Homeworx Inc. website
Total Homeworx holds a 5.0 Google rating from 46 reviews. Its site says it has been “perfecting our craft since 2008” and calls its team remodelling specialists. It lists towns from Kitchener and Cambridge out to Elmira, St Jacobs and Wellesley.
- Strengths: It names a wide area, which helps if you own a home outside the city.
- Watch-outs: Its Google listing shows no street address, so ask where the firm is based and for proof of insurance.
- Best for: A remodel in Waterloo or a nearby township from a firm with an 18-year record.
4. Custom Contracting Group: best for accessibility renovations
- Google rating 5.0 from 33 reviews checked Oct 28, 2026
- Based in Waterloo
- Visit the Custom Contracting Group website
Custom Contracting Group lists a Colby Drive address in north Waterloo and holds a 5.0 Google rating from 33 reviews. Its site says it has worked since 1986. It covers “full home renovations to kitchens, bathrooms, basements, and custom accessibility projects.”
- Strengths: Its 1986 start is the earliest of the seven firms we rank, and it names accessibility work.
- Watch-outs: We found no warranty or insurance terms on its site, so ask for both before you sign.
- Best for: Grab bars, a walk-in shower or a main-floor bedroom so a parent can age in place.
5. Executive Contracting: best for outdoor living and tiny homes
- Google rating 5.0 from 26 reviews checked Oct 28, 2026
- Based in Waterloo
- Visit the Executive Contracting website
Executive Contracting lists a Deerfoot Trail address in north Waterloo and holds a 5.0 Google rating from 26 reviews. Its site says the family firm has built in Kitchener-Waterloo since 2018 and takes projects from $10,000 to $250,000. It does kitchens, baths and basements, plus tiny homes, interlock and fibreglass pools.
- Strengths: It states a job size range up front, so you know if your budget fits before you call.
- Watch-outs: Outdoor work is a large part of its site, so ask how many interior jobs it has done like yours.
- Best for: A backyard build or a tiny home behind a house in Laurelwood or Beechwood.
6. Build or Fix it Contracting: best for smaller jobs from a family firm
- Google rating 5.0 from 20 reviews checked Oct 28, 2026
- Founded 2019 company website
- Based in Waterloo
- Visit the Build or Fix it Contracting website
Build or Fix it Contracting lists a Midwood Crescent address and holds a 5.0 Google rating from 20 reviews. Its site calls it “a small, family run, local business” that opened in 2019. It says it uses “a small handful of trusted subcontractors” for plumbing, electrical and HVAC.
- Strengths: It names which trades it subcontracts, which tells you who will be in your home.
- Watch-outs: Ask for the names of those subcontractors and their licences, and for the firm’s own WSIB clearance.
- Best for: A bathroom or repair job in Lakeshore or Beechwood that is too big for a handyman.
7. Sonnarc Homes Ltd.: best for additions and custom homes
- Google rating 5.0 from 17 reviews checked Oct 28, 2026
- Based in Waterloo
- Visit the Sonnarc Homes Ltd. website
Sonnarc Homes lists a Durward Place address and holds a 5.0 Google rating from 17 reviews. Its site builds custom homes and also renovates, “From intimate powder room refreshes to complete roof-off additions and full-scale remodels.” It works with your designer or one of its design partners.
- Watch-outs: We found no start year, insurance or warranty terms on its site, so ask for all three in writing.
- Best for: A second-storey addition or a full remodel where you want a builder that also does new homes.
8. Wellington County Craftsman Inc.: best for renovations with custom carpentry
- Google rating 5.0 from 13 reviews checked Oct 28, 2026
- Based in Waterloo
- Visit the Wellington County Craftsman Inc. website
Wellington County Craftsman lists a Rankin Street address in Waterloo and holds a 5.0 Google rating from 13 reviews. Its site calls it a local expert in “home renovations, custom carpentry, and full-scale additions.” It serves Waterloo Region, Wellington County and Guelph.
- Strengths: Custom carpentry is part of its pitch, so built-ins and trim can stay with one crew.
- Watch-outs: It has the fewest reviews of the seven, and its warranty page describes general terms, so ask which terms apply to your job.
- Best for: A renovation with built-ins or trim work in Waterloo or out toward Elmira.
How much does a general contractor cost in Waterloo?
A mid-range Waterloo kitchen run by a general contractor costs $35,000 to $60,000 in 2026, says PD Renovations. Its Waterloo Region guide puts a mid-range bathroom at $15,000 to $25,000 and a mid-range basement at $45,000 to $70,000. A full gut runs about $180 to $300 or more per square foot.
| Job | Typical cost (CAD) | Source |
|---|---|---|
| Kitchen, mid-range remodel | $35,000 to $60,000 | PD Renovations |
| Bathroom, mid-range remodel | $15,000 to $25,000 | PD Renovations |
| Basement finish, mid-range | $45,000 to $70,000 | PD Renovations |
| Full gut remodel | $180 to $300+ per sq ft | PD Renovations |
| Waterloo permit, house or addition | $1.41 per sq ft | City of Waterloo |
| Waterloo permit, finished basement | $351 flat | City of Waterloo |
| Waterloo permit, new unit in a house | $392 per unit | City of Waterloo |
Walls move the price most. PD Renovations says taking out a load-bearing wall in Waterloo Region costs $2,000 to $10,000 or more, and it tells owners to hold back 10% to 15% for surprises. Waterloo charges $0.62 per square foot for an interior reno and $132 for a deck or for minor work such as a new beam.
Our home addition cost guide and general contractor cost guide break those numbers down, and the general contractor statistics cover Ontario job data. Then get free home addition quotes in Waterloo from screened pros.
How do you choose a general contractor in Waterloo?
To choose a Waterloo general contractor, check its WSIB clearance and liability cover. Ask who pulls each permit, then line up written quotes side by side. Ontario law says any home reno contract worth more than $50 must be in writing. The province also suggests a deposit of no more than 10% of the price.
- Check the licence. A general contractor hires the trades, and Ontario says no one can run an electrical contracting business without an ESA licence. Check the electrician on your job in ESA's Contractor Locator.
- Confirm WSIB clearance. Ask for the company’s WSIB account number and confirm a current clearance on WSIB’s free eClearance lookup.
- Ask for proof of liability insurance. A certificate of commercial general liability insurance should name the company that will do the work.
- Ask about city licences and permits. Ask Waterloo whether the job needs a municipal licence or building permit before work starts.
- Get it in writing. Under Ontario law, any home renovation contract worth more than $50 must be in writing, and the final price cannot exceed an estimate by more than 10% unless you agree (Ontario consumer protection rules).
- Keep the deposit small. Ontario recommends a down payment of no more than 10%, and never paying in full before the work is done.
Waterloo doubles the permit fee if work starts before the permit is issued. Put the permit holder in the contract, and ask to see the issued permit before demolition, so that extra fee never lands on you.
Doing the basement? Our basement finishing cost guide has Ontario prices, or compare basement renovation quotes in Waterloo. For pipes, see the best plumbers in Waterloo.
How did we rank these Waterloo general contractors?
We ranked these firms on public data, and no firm paid for a spot. Our Google Maps searches for Waterloo found 113 businesses. Of those, 45 had a builder or contractor listing, and 38 had a website and a Waterloo base. Just 18 held 4.5 stars from 10 or more reviews.
| Step | Businesses remaining |
|---|---|
| Found on Google Maps | 113 |
| Primary Google category is a general contractor | 45 |
| Open, with a website of its own | 38 |
| In Waterloo (by address or Google map pin) | 38 |
| 4.5+ stars from 10+ Google reviews | 18 |
| Website readable when checked | 15 |
| Listed on this page (top ranked) | 7 |
Three of the 18 dropped out. One site could not be read when we checked. Two firms were off-trade on their own sites: an eavestrough and soffit contractor and a heating, cooling and plumbing firm. That left 15, and none matched a licence record in our check, so we make no licence claims.
The score blends each rating with its review count, so a 5.0 from 79 reviews ranks above a 5.0 from 13. We checked every fact on October 28, 2026, and we recheck every 90 days. See an error? Tell our editors about it and we will review it.
What do Waterloo homeowners ask before they hire a general contractor?
Waterloo homeowners ask what a renovation costs, which jobs need a permit and how to compare local contractors. These answers draw on a 2026 Waterloo Region price guide, the City of Waterloo fee schedule and Ontario consumer rules. Each answer stands alone, so go straight to your question.
How much does a general contractor cost in Waterloo?
It depends on scope. PD Renovations puts a mid-range Waterloo kitchen at $35,000 to $60,000 and a mid-range bathroom at $15,000 to $25,000 in 2026. A mid-range basement runs $45,000 to $70,000. A full gut runs about $180 to $300 or more per square foot, and the contractor's fee is built into the price.
How much is a building permit in Waterloo?
The City of Waterloo charges $1.41 per square foot for a house or addition, $0.62 per square foot for an interior reno and a flat $351 to finish a basement. A deck costs $132, and adding a new unit to an existing house costs $392. The minimum fee for any permit is $132.
What happens if work starts before a Waterloo permit is issued?
The City of Waterloo doubles the permit fee if construction starts before the permit is issued. On bigger fees the extra charge scales down, but it still costs you. Ask your contractor to show you the issued permit before any walls come down.
How many good general contractors are there in Waterloo?
By our count, 18 Waterloo general contractors met our bar. Our searches found 113 businesses. Of those, 45 had a general contractor listing, 38 had a website and a Waterloo location, and 18 held 4.5 stars from 10 or more reviews. Fifteen passed our website check, and we rank the top seven below.
Is Pro House Maintenance free for Waterloo homeowners?
Yes. Pro House Maintenance is free for homeowners. You describe your renovation once, and we match you with several pros who have passed WSIB, insurance, reference and background checks. You compare their written quotes and choose who to hire, and our satisfaction guarantee backs the work.
Where can you find general contractors near Waterloo?
The closest general contractors lists to Waterloo cover Kitchener (3 km away), Cambridge (20 km away) and Guelph (24 km away). Each list follows the same method: 4.5-star Google ratings from 10 or more reviews, official registry checks where Ontario requires a licence, and free vetted matching from Pro House Maintenance at number one.
- Best general contractors in Kitchener (3 km from Waterloo)
- Best general contractors in Cambridge (20 km from Waterloo)
- Best general contractors in Guelph (24 km from Waterloo)
- Best plumbers in Waterloo
- Compare free home additions quotes in Waterloo from vetted local pros
- Best general contractors across Ontario, city by city
- Home Additions statistics and cost data from our research team