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Best Excavating Contractors in Clayton, MO (2026)

84 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →

The short answer

  1. 1

    Best overall in Clayton: Roto-Rooter Plumbing & Water Cleanup, CR Score 60/100; 4.8★ from 5,589 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): St. Louis Excavation, posts 24/7 hours; ranked #2 of 84.

  3. 3

    Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 4,983 Google reviews at 4.8★, the most of 84 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #3.

Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank

84 Clayton excavating contractors are ranked here by CR Score, from ten published factors. 26 are open 24/7, 43 open Saturdays and 33 open Sundays, based on posted hours. The median Google rating is 4.8★ across 84 rated businesses.

Most of this list also appears on the Excavating contractors in University City ranking. See Excavating contractors in University City

Top 10 excavating contractors in Clayton at a glance

Top 10 excavating contractors in Clayton at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup604.8★ (5,589)St. Louis, 6 mi away24/7Overall
2St. Louis Excavation605.0★ (108)Wildwood, 12 mi away24/7Emergencies
3Roto-Rooter Plumbing & Water Cleanup584.8★ (4,983)Hazelwood, 12 mi away24/7Most reviews
4Roto-Rooter Plumbing & Water Cleanup584.9★ (2,557)Chesterfield, 11 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup564.9★ (1,738)Saint Charles, 16 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup564.9★ (1,474)Ballwin, 15 mi away24/7—
7Hosack Plumbing, Heating & Cooling564.9★ (153)Brentwood, 2 mi away24/7—
8Roto-Rooter Plumbing & Water Cleanup565.0★ (509)Murphy, 12 mi away24/7—
9Ground Breakers STL565.0★ (4)St. Louis, 9 mi away24/7—
10Roto-Rooter Plumbing & Water Cleanup554.8★ (2,790)Belleville, 20 mi away24/7—

The 84 best excavating contractors in Clayton, ranked

Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.

  1. Based in Wildwood, 12 mi away

    60/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 108 Google reviews, listed on Google as “Excavating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 108 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  2. Based in St. Louis, 9 mi away

    56/100CR Score

    Ranked #9 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11025 Lin Valle Dr, St. Louis, MO 63123
  3. Based in Granite City, 15 mi away

    55/100CR Score

    Ranked #12 because of its Google rating and trade focus: 4.4★ from 16 Google reviews, listed on Google as “Excavating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.4★ from 16 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    4336 IL-162, Granite City, IL 62040
  4. Based in Wildwood, 17 mi away

    53/100CR Score

    Ranked #18 because of its Google rating and trade focus: 5.0★ from 11 Google reviews, listed on Google as “Excavating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 5.0★ from 11 Google reviews
    Hours
    Mon–Sun 6 AM–9 PM
    Address
    2313 Little Antire Rd, High Ridge, MO 63049
  5. Based in Kirkwood, 6 mi away

    53/100CR Score

    Ranked #19 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.

    Based on 7 of 10 factors; credentials, recency and availability not yet collected.

    • 4.0★ from 4 Google reviews
    Address
    Kirkwood, MO 63122
  6. Based in Wentzville, 4 mi away

    52/100CR Score

    Ranked #21 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.

    • 5.0★ from 7 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
  7. Based in St. Louis, 5 mi away

    52/100CR Score

    Ranked #22 because of its Google rating and trade focus: 4.3★ from 12 Google reviews, listed on Google as “Excavating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.3★ from 12 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    3350 Morgan Ford Rd, St. Louis, MO 63116
  8. Based in St. Louis, 9 mi away

    52/100CR Score

    Ranked #23 because of its Google rating and availability: 4.9★ from 32 Google reviews, open 24/7.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 4.9★ from 32 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    11025 Lin Valle Dr, St. Louis, MO 63123
  9. Based in St. Louis, 5 mi away

    52/100CR Score

    Ranked #25 because of its Google rating and trade focus: 3.8★ from 37 Google reviews, listed on Google as “Excavating contractor”.

    Based on 8 of 10 factors; credentials and recency not yet collected.

    • 3.8★ from 37 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun closed
    Address
    3350 Morgan Ford Rd Unit 2, St. Louis, MO 63116

How we ranked Clayton excavating contractors

We scored 84 Clayton 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.

Read the full method: formula, sources and exclusions

CR Score factors and weights
FactorWeightComputed fromIn Clayton data
Reputation25%Google star rating, adjusted for how many reviews back itMeasured
Credentials15%Active state license, bond and workers’ comp on fileNot yet collected
Review volume10%Number of Google reviews, compared with the most-reviewed business on the listMeasured
Recency5%Share of reviews from the last 12 monthsNot yet collected
Availability5%Weekly open hours, Saturday, Sunday, 24/7 or same-dayMeasured
Trade focus10%How clearly the business does this trade (its Google category and name)Measured
Proximity5%Based in the city scores highest, less the farther away it isMeasured
Claimed profile10%The business has claimed its ContractorsRanked profile (free or paid earn the same)Measured
Partnered5%The business links to ContractorsRanked from its own website with our badge, checked periodicallyMeasured
ContractorsRanked reviews10%Verified customer reviews collected by ContractorsRanked: their rating and how many there areMeasured

Excavating contractors in Clayton: frequently asked questions

Who is the best excavating contractor in Clayton?

By CR Score, the highest-ranked excavating contractor in Clayton, MO is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 60/100. It has 4.8★ from 5,589 Google reviews. It is open 24/7. St. Louis Excavation (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 84 excavating contractors on ten factors, last updated November 3, 2026.

Which excavating contractors in Clayton are open 24/7?

26 ranked excavating contractors in Clayton post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), St. Louis Excavation (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which excavating contractors in Clayton work on weekends?

43 of 84 ranked excavating contractors post Saturday hours and 33 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), St. Louis Excavation (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Clayton excavating contractors have?

The median Google rating among 84 rated excavating contractors in Clayton is 4.8★, with a median of 11 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 5,589 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 Clayton count in this ranking?

Yes, if they are within 25 mi of the Clayton city center, 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 Clayton

  1. November 2026: CR Scores recalculated for 84 excavating contractors serving Clayton.
  2. November 2026: 2 duplicate listings merged.

More excavating contractors and Clayton pages

Other trades in Clayton