The best general contractors in Cambridge, Ontario in 2026 are Pro House Maintenance, Blackbridge Craftsmen and Brouwer Home Renovations, then five more top-rated local firms. Our Google Maps searches found 120 businesses for Cambridge. Only 14 were Cambridge contractors with a website and 4.5 stars from 10 or more reviews. A mid-range Cambridge kitchen costs $30,000 to $50,000 in 2026.
- Only 14 of the 120 businesses our Cambridge general contractor search found met our bar of 4.5 stars from 10 or more reviews.
- All 7 ranked Cambridge general contractors hold a 5.0 Google rating, from 12 to 49 reviews each.
- PD Renovations puts a mid-range Cambridge kitchen at $30,000 to $50,000 and a mid-range Cambridge basement at $38,000 to $60,000 in 2026.
- The City of Cambridge says the owner must make sure a permit is approved before work starts, even when a contractor applies for it.
- Caliber Contracting says opening up walls for an open-concept layout adds $30,000 to $80,000 to a renovation in the region.
| 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 Cambridge |
| 2 | Blackbridge Craftsmen Inc.: General Contractors | Additions plus yard and pool work | None stated on its website | 5.0 (49 reviews) | Cambridge |
| 3 | Brouwer Home Renovations | Renovations that need several trades | None stated on its website | 5.0 (43 reviews) | Cambridge |
| 4 | Deltar Construction Inc. | Wall removals and additions in Hespeler | None stated on its website | 5.0 (25 reviews) | Cambridge |
| 5 | RM Construction | Custom homes and high-end renovations | None stated on its website | 5.0 (20 reviews) | Cambridge |
| 6 | Zarlas Home Improvement & Renovations | Kitchen, bath and basement packages | None stated on its website | 5.0 (19 reviews) | Cambridge |
| 7 | MDI Reno & Construction Ltd. | Legal basements and side entrances | None stated on its website | 5.0 (17 reviews) | Cambridge |
| 8 | Brother Hood Construction Inc | Second storeys and garage conversions | WSIB stated (company-stated) | 5.0 (12 reviews) | Cambridge |
Who are the best general contractors in Cambridge in 2026?
The best general contractors in Cambridge, Ontario in 2026 are Pro House Maintenance, Blackbridge Craftsmen and Brouwer Home Renovations. Next come Deltar Construction, RM Construction, Zarlas, MDI Reno and Brother Hood Construction. All seven firms we rank hold a 5.0 Google rating, from 12 to 49 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 Cambridge 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.
Cambridge contractors are hard to sort: our search found 120 businesses, and only 14 were Cambridge 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. Blackbridge Craftsmen Inc.: General Contractors: best for additions plus yard and pool work
- Google rating 5.0 from 49 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the Blackbridge Craftsmen Inc.: General Contractors website
Blackbridge Craftsmen lists a Westbury Crescent address in Cambridge and holds a 5.0 Google rating from 49 reviews, the most on this list. Its site calls the firm “Your Home, Landscaping and Pool Experts.” Most of the work it shows is outdoors, though one client story on its site describes a full home addition.
- Strengths: It can handle an addition and the yard around it, so one crew finishes the whole lot.
- Watch-outs: Most projects on its site are backyards and pools, so ask for photos and references from indoor jobs like yours.
- Best for: An addition in Hespeler that also needs a new patio or pool area.
3. Brouwer Home Renovations: best for renovations that need several trades
- Google rating 5.0 from 43 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the Brouwer Home Renovations website
Brouwer Home Renovations lists a Franklin Boulevard address in Cambridge and holds a 5.0 Google rating from 43 reviews. Its site says it relies on “our extensive network of subcontractors” to cover each part of a renovation, though the site is short and gives few other details.
- Strengths: A strong rating from 43 reviews, with a network of trades for multi-part jobs.
- Watch-outs: It uses subcontractors, so ask who will do each trade and whether they carry their own WSIB cover.
- Best for: A kitchen and bathroom job in east Galt that needs plumbing, tile and drywall trades.
4. Deltar Construction Inc.: best for wall removals and additions in Hespeler
- Google rating 5.0 from 25 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the Deltar Construction Inc. website
Deltar Construction lists a Grey Abbey Trail address and holds a 5.0 Google rating from 25 reviews. Its site says the family-run firm has served Cambridge for over a decade, “with a special focus on the vibrant neighborhood of Hespeler Village.” It names wall removals, additions, bathrooms, basements, decks and fences.
- Strengths: Its project manager is a licensed electrician, the site says, and its owner has 25+ years in home building.
- Watch-outs: We found no warranty terms or insurance proof on its site, so ask for both in writing.
- Best for: Opening up a main floor in an older Hespeler home.
5. RM Construction: best for custom homes and high-end renovations
- Google rating 5.0 from 20 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the RM Construction website
RM Construction lists a Weaver Street address in Hespeler and holds a 5.0 Google rating from 20 reviews. Its site says it offers “a full construction service throughout Cambridge, Kitchener, and Waterloo.” It builds custom homes, does renovations and commercial work, and lists permitting and zoning help among its services.
- Strengths: It handles design, permits and project management, so you have one contact through the build.
- Watch-outs: Its site leans toward luxury custom homes, so confirm it takes a single-room job and ask for a written price.
- Best for: A major renovation or rebuild where permits and zoning need managing.
6. Zarlas Home Improvement & Renovations: best for kitchen, bath and basement packages
- Google rating 5.0 from 19 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the Zarlas Home Improvement & Renovations website
Zarlas Home Improvement and Renovations lists a Stirling MacGregor Drive address in Cambridge on Google and holds a 5.0 rating from 19 reviews. Its site says it does renovations “across the GTA,” specializing in kitchens, bathrooms, basements and full home renovations. The site header gives Brantford, Ontario as its location.
- Strengths: One firm covers the three rooms most homeowners redo first.
- Watch-outs: The site lists Brantford and the GTA, not Cambridge, so confirm where the crew is based and how it schedules local jobs.
- Best for: A kitchen and basement redo in the south end near Blair.
7. MDI Reno & Construction Ltd.: best for legal basements and side entrances
- Google rating 5.0 from 17 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the MDI Reno & Construction Ltd. website
MDI Reno and Construction lists a Shepherd Avenue address in Cambridge and holds a 5.0 Google rating from 17 reviews. Its site says it has over 10 years of experience, and it names legal basement construction, side entrances, kitchens, bathrooms, flooring and full home renovations across Waterloo Region and the GTA.
- Strengths: It names legal basements and side entrances, the two jobs a rental suite needs.
- Watch-outs: It serves a wide area from Waterloo Region to the GTA, so ask how often a supervisor will be on your site.
- Best for: A basement rental unit with its own side door in Preston.
8. Brother Hood Construction Inc: best for second storeys and garage conversions
- Google rating 5.0 from 12 reviews checked Nov 1, 2026
- Based in Cambridge
- Visit the Brother Hood Construction Inc website
Brother Hood Construction lists a Hollywood Court address in Cambridge on Google and holds a 5.0 rating from 12 reviews. Its site names room additions, second storeys and garage conversions, and it says the firm has full liability coverage and is WSIB compliant.
- Strengths: It names second storeys and garage conversions, which few firms on this list do.
- Watch-outs: Its site says it is “Based in Brampton,” and it has the fewest reviews here, so confirm who runs Cambridge jobs.
- Best for: A second-storey addition on a Galt bungalow.
How much does a general contractor cost in Cambridge?
A mid-range Cambridge kitchen run by a general contractor costs $30,000 to $50,000 in 2026, says PD Renovations. Its guide puts a mid-range Cambridge bathroom at $13,000 to $22,000 and a mid-range basement at $38,000 to $60,000. Caliber Contracting puts a full main-floor redo in the region at $150,000 to $350,000.
| Job | Typical cost (CAD) | Source |
|---|---|---|
| Kitchen, mid-range remodel | $30,000 to $50,000 | PD Renovations |
| Bathroom, mid-range remodel | $13,000 to $22,000 | PD Renovations |
| Basement finish, mid-range | $38,000 to $60,000 | PD Renovations |
| Mid-range renovation, per sq ft | $60 to $120 | PD Renovations |
| Remove a load-bearing wall | $2,000 to $10,000+ | PD Renovations |
| Main-floor renovation | $150,000 to $350,000 | Caliber Contracting |
| Open-concept layout, added cost | $30,000 to $80,000 | Caliber Contracting |
Layout changes move the price most, and Caliber says a job that keeps the layout costs 30% to 50% less, and design, plans and permits add 8% to 15%. It notes that Galt century homes often need gut renovations, which run higher.
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 Cambridge from screened pros.
How do you choose a general contractor in Cambridge?
To choose a Cambridge general contractor, check its WSIB clearance and liability cover. Ask who pulls each permit, then line up their 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 Cambridge 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.
The City of Cambridge puts the permit on you: a contractor can apply, but the owner must confirm the permit is approved before work starts. The city also charges a $100 re-inspection fee when work is not ready, so ask your contractor who pays it.
Doing the basement? Our basement finishing cost guide has Ontario prices, or compare basement renovation quotes in Cambridge. Nearby, see the best general contractors in Kitchener and the best general contractors in Guelph.
How did we rank these Cambridge general contractors?
We ranked these firms on public data, and no firm paid for a spot. Our Google Maps searches for Cambridge found 120 businesses. Of those, 43 had a builder or contractor listing, and 31 had a website and a Cambridge base. Just 14 held 4.5 stars from 10 or more reviews.
| Step | Businesses remaining |
|---|---|
| Found on Google Maps | 120 |
| Primary Google category is a general contractor | 43 |
| Open, with a website of its own | 31 |
| In Cambridge (by address or Google map pin) | 31 |
| 4.5+ stars from 10+ Google reviews | 14 |
| Website readable when checked | 12 |
| Listed on this page (top ranked) | 7 |
We then read each site. A concrete firm and a utility contractor did other work, so 12 could rank, and none matched a licence record in our check, so we make no licence claims. WSIB and insurance proof are the key checks.
The score blends each rating with its review count, so a 5.0 from 49 reviews ranks above a 5.0 from 12. We checked every fact on November 1, 2026, and we recheck every 90 days. See an error? Tell our editors about it and we will review it.
What do Cambridge homeowners ask before they hire a general contractor?
Cambridge homeowners ask what a renovation costs, which jobs need a permit and how to compare local contractors. These answers draw on 2026 Waterloo Region price guides, the City of Cambridge permit page and Ontario consumer rules. Each answer stands alone, so go straight to your question.
How much does a general contractor cost in Cambridge, Ontario?
It depends on scope. PD Renovations puts a mid-range Cambridge kitchen at $30,000 to $50,000 and a mid-range bathroom at $13,000 to $22,000 in 2026. Caliber Contracting puts a main-floor renovation in the region at $150,000 to $350,000. General contractors usually build their fee into that price.
Do I need a building permit to renovate in Cambridge?
For structural work, yes. The City of Cambridge requires a permit for interior structural changes, adding or removing walls, plumbing and drains, and finishing an attic. Kitchen cupboards without plumbing, painting and roof shingling do not need one. The owner must confirm the permit is approved before work starts.
Who is responsible for the building permit in Cambridge?
You are, as the owner. The City of Cambridge says a contractor or designer can apply for the permit, but the owner must confirm it is approved before any work begins. Put the permit holder's name in your contract and ask to see the permit card before demolition.
How many good general contractors are there in Cambridge?
By our count, 12 Cambridge general contractors met our bar. Our searches found 120 businesses. Of those, 43 had a contractor listing, 31 had a website and a Cambridge location, and 14 held 4.5 stars from 10 or more reviews. Two of the 14 did other work, so 12 could rank.
Is Pro House Maintenance free for Cambridge 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 Cambridge?
The closest general contractors lists to Cambridge cover Kitchener (18 km away), Waterloo (20 km away) and Guelph (21 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 (18 km from Cambridge)
- Best general contractors in Waterloo (20 km from Cambridge)
- Best general contractors in Guelph (21 km from Cambridge)
- Compare free home additions quotes in Cambridge from vetted local pros
- Best general contractors across Ontario, city by city
- Home Additions statistics and cost data from our research team