58/100CR Score
Ranked #1 because of its Google rating and review volume: 4.9★ from 288 Google reviews, the most in Markham.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Excavating Contractors in Markham, ON (2026)
157 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Markham: Drain 1 Plumbers Inc., CR Score 58/100; 4.9★ from 288 Google reviews; open 24/7.
- 4
Best for emergencies (open 24/7): Rocksberry Construction, posts 24/7 hours; ranked #4 of 157.
- 24
Most-reviewed: MLC Landscaping, 130 Google reviews at 4.6★, the most of 157 ranked after Drain 1 Plumbers Inc.; ranked #24.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
157 Markham excavating contractors are ranked here by CR Score, from ten published factors. 28 are open 24/7, 90 open Saturdays and 53 open Sundays, based on posted hours. The median Google rating is 4.9★ across 157 rated businesses.
Top 10 excavating contractors in Markham at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Drain 1 Plumbers Inc. | 58 | 4.9★ (288) | North York, 22 km away | 24/7 | Overall |
| 2 | Direct Basement Waterproofing Vaughan | 58 | 5.0★ (78) | Vaughan, 25 km away | Sat · Evenings | — |
| 3 | OCM Excavation & Construction | 57 | 5.0★ (32) | Vaughan, 25 km away | Sat · Sun · Evenings | — |
| 4 | Rocksberry Construction | 57 | 5.0★ (3) | Richmond Hill, 5 km away | 24/7 | Emergencies |
| 5 | Discount Pothole and Sealing | 56 | 4.9★ (93) | Scarborough, 17 km away | 24/7 | — |
| 6 | Baffy Trucking Services | 56 | 5.0★ (23) | North York, 26 km away | Sat · Sun · Evenings | — |
| 7 | Brock & Sons Construction Ltd | 56 | 4.9★ (7) | Markham | — | — |
| 8 | Ollivierre Contracting | 56 | 5.0★ (12) | Ajax, 8 km away | Sat · Evenings | — |
| 9 | Santos Water, Plumbing, Drain Cleaning, Drain Back up | 55 | 4.9★ (110) | North York, 25 km away | 24/7 | — |
| 10 | Black Diamond Property Maintenance Inc. | 55 | 4.4★ (33) | Markham | 24/7 | — |
The 157 best excavating contractors in Markham, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Vaughan, 25 km away
58/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 78 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vaughan, 25 km away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 32 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond Hill, 5 km away
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Scarborough, 17 km away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 93 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North York, 26 km away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 23 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Markham
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Ajax, 8 km away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 12 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North York, 25 km away
55/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 110 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Markham
55/100CR ScoreRanked #10 because of its Google rating and review volume: 4.4★ from 33 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Markham
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Concord, 20 km away
54/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 30 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Markham
54/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 52 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Etobicoke, 33 km away
54/100CR ScoreRanked #14 because of its Google rating and review volume: 5.0★ from 92 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond Hill, 13 km away
54/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 59 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Etobicoke, 30 km away
54/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.9★ from 33 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#17 TWH Excavation
Based in Markham
54/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Willowdale, 4 km away
54/100CR ScoreRanked #18 because of its Google rating and trade focus: 3.9★ from 7 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Toronto, 23 km away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Oshawa, 36 km away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#21 SB Excavation
Based in Toronto, 34 km away
54/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 102 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond Hill, 13 km away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Etobicoke, 33 km away
53/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.7★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#24 MLC Landscaping
Based in Oshawa, 34 km away
53/100CR ScoreRanked #24 because of its Google rating and review volume: 4.6★ from 130 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Uxbridge, 31 km away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Excavating contractors ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 157 ranked excavating contractors here; the rest are on their profiles.
Also serving Markham
20 more excavating contractors within 40 km that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Google rating | Distance |
|---|---|---|
| CDP Plumbing of Markham | 5.0★ (165) | In Markham |
| Comm-Struction Inc | 5.0★ (4) | In Markham |
| DiamondShield Epoxy Floors Markham | 5.0★ (17) | In Markham |
| Finest Electricians of Markham | 5.0★ (22) | In Markham |
| Flood Services Markham | In Markham | |
| Fockler Larry Construction | 5.0★ (2) | In Markham |
| Greenstar Construction | 5.0★ (5) | In Markham |
| Imperium Plumbing — Markham | 5.0★ (12) | In Markham |
| JD Development Group | 2.7★ (24) | In Markham |
| L&S Construction Inc. | 5.0★ (2) | In Markham |
| Northvale Renovation & Legal Basement Construction | 5.0★ (2) | In Markham |
| Pioneer Plumbers of Markham | 5.0★ (1) | In Markham |
| Pipe Dreams Plumbing Markham | 5.0★ (109) | In Markham |
| Ready Mix Concrete Delivery Markham | 5.0★ (1) | In Markham |
| Richview Construction | 5.0★ (3) | In Markham |
| SELECTED CONSTRUCTION INC | 4.3★ (12) | In Markham |
| SITEFORCE DEMOLITION MARKHAM | 5.0★ (15) | In Markham |
| Times Group Construction | 4.0★ (12) | In Markham |
| Water Damage Markham | In Markham | |
| Your Building Team | 5.0★ (5) | In Markham |
How we ranked Markham excavating contractors
We scored 157 Markham excavating contractors on ten factors, weighted as shown. A business is ranked when its trade is confirmed and it has 3 or more Google reviews or a claimed profile. A business with no Google reviews scores zero on rating, review volume and recency. Other unknown factors are left out, not counted as zero. Scores last refreshed November 3, 2026.
Paid placement never changes a rank or score. Featured businesses are paid, labelled, limited to 3 and shown above the ranking, outside it.
| Factor | Weight | Computed from | In Markham data |
|---|---|---|---|
| Reputation | 25% | Google star rating, adjusted for how many reviews back it | Measured |
| Credentials | 15% | Active state license, bond and workers’ comp on file | Not yet collected |
| Review volume | 10% | Number of Google reviews, compared with the most-reviewed business on the list | Measured |
| Recency | 5% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 5% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | How clearly the business does this trade (its Google category and name) | Measured |
| Proximity | 5% | Based in the city scores highest, less the farther away it is | Measured |
| Claimed profile | 10% | The business has claimed its ContractorsRanked profile (free or paid earn the same) | Measured |
| Partnered | 5% | The business links to ContractorsRanked from its own website with our badge, checked periodically | Measured |
| ContractorsRanked reviews | 10% | Verified customer reviews collected by ContractorsRanked: their rating and how many there are | Measured |
Excavating contractors in Markham: frequently asked questions
Who is the best excavating contractor in Markham?
By CR Score, the highest-ranked excavating contractor in Markham, ON is Drain 1 Plumbers Inc. with a CR Score of 58/100. It has 4.9★ from 288 Google reviews. It is open 24/7. Direct Basement Waterproofing Vaughan (#2) and OCM Excavation & Construction (#3) follow. We ranked 157 excavating contractors on ten factors, last updated November 3, 2026.
How many excavating contractors are there in Markham?
ContractorsRanked ranks 157 excavating contractors serving Markham, ON. 5 of them are based in Markham; the rest serve it from nearby towns. Another 20 within 40 km are listed but not ranked yet. Counts are as of November 2026.
Which excavating contractors in Markham are open 24/7?
28 ranked excavating contractors in Markham post 24/7 hours. The highest-ranked are Drain 1 Plumbers Inc. (#1), Rocksberry Construction (#4) and Discount Pothole and Sealing (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which excavating contractors in Markham work on weekends?
90 of 157 ranked excavating contractors post Saturday hours and 53 post Sunday hours. The highest-ranked open Saturdays are Drain 1 Plumbers Inc. (#1), Direct Basement Waterproofing Vaughan (#2) and OCM Excavation & Construction (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Markham excavating contractors have?
The median Google rating among 157 rated excavating contractors in Markham is 4.9★, with a median of 15 reviews. Drain 1 Plumbers Inc. has the most, 288 reviews, and ranks #1. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank excavating contractors?
Each excavating contractor gets a 0–100 CR Score from ten published factors, led by reputation (25%), credentials (15%), review volume (10%) and trade focus (10%). A business with no Google reviews scores zero on rating, review volume and recency; other factors we cannot measure are left out. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do excavating contractors outside Markham count in this ranking?
Yes, if they are within 40 km of the Markham city centre, our service radius for excavating contractors. Each listing shows where the business is based and how far away it is. Proximity is 5% of the CR Score, so a nearby business gets a small edge.
Can excavating contractors pay to rank higher on ContractorsRanked?
No. The CR Score never reads payment status, and this ranking has 0 paid placements. Up to 3 Featured businesses may appear above the list, labelled Featured and showing their honest rank.
Update log for Markham
- November 2026: CR Scores recalculated for 157 excavating contractors serving Markham.
More excavating contractors and Markham pages
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