Skip to content

Best Excavating Contractors in Montclair, CA (2026)

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

The short answer

  1. 1

    Best overall in Montclair: Roto-Rooter Plumbing & Water Cleanup, CR Score 61/100; 4.8★ from 1,330 Google reviews; open 24/7.

  2. 2

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 54.

  3. 3

    Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 936 Google reviews at 4.8★, the most of 54 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

54 Montclair excavating contractors are ranked here by CR Score, from ten published factors. 13 are open 24/7, 27 open Saturdays and 22 open Sundays, based on posted hours. The median Google rating is 4.9★ across 54 rated businesses.

Top 10 excavating contractors in Montclair at a glance

Top 10 excavating contractors in Montclair at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup614.8★ (1,330)Ontario, 1 mi away24/7Overall
2Roto-Rooter Plumbing & Water Cleanup584.9★ (434)Diamond Bar, 9 mi away24/7Emergencies
3Roto-Rooter Plumbing & Water Cleanup574.8★ (936)Corona, 14 mi away24/7Most reviews
4Roto-Rooter Plumbing & Water Cleanup564.9★ (375)Rowland Heights, 13 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup554.9★ (436)Fullerton, 20 mi away24/7—
6Roto-Rooter Plumbing & Water Cleanup554.8★ (450)Anaheim, 18 mi away24/7—
7Plumb Rite Plumbing554.8★ (65)Rancho Cucamonga, 5 mi away24/7—
8Roto-Rooter Plumbing & Water Cleanup554.8★ (495)Riverside, 19 mi away24/7—
9Roto-Rooter Plumbing & Water Cleanup554.9★ (504)Orange, 23 mi away24/7—
10Lourenco Backhoe, Inc.545.0★ (4)Phelan, 8 mi awaySat · Sun · Evenings—

The 54 best excavating contractors in Montclair, ranked

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

  1. Based in Rancho Cucamonga, 5 mi away

    55/100CR Score

    Ranked #7 because of its Google rating and review volume: 4.8★ from 65 Google reviews.

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

    • 4.8★ from 65 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    9495 E 9th St STE E, Rancho Cucamonga, CA 91730
  2. Based in Phelan, 8 mi away

    54/100CR Score

    Ranked #10 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
    Hours
    Mon 4 AM–10:30 PM · Tue–Sun 4 AM–10 PM
  3. Based in Pomona, 3 mi away

    54/100CR Score

    Ranked #12 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Excavating contractor”.

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

    • 5.0★ from 3 Google reviews
    Address
    1616 E 7th St, Pomona, CA 91766
  4. Based in Pomona, 6 mi away

    54/100CR Score

    Ranked #16 because of its Google rating and trade focus: 3.4★ from 10 Google reviews, listed on Google as “Excavating contractor”.

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

    • 3.4★ from 10 Google reviews
    Address
    2001 Mt Vernon Ave, Pomona, CA 91768
  5. Based in Camp Pendleton South, 8 mi away

    53/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 9 Google reviews, listed on Google as “Roofing contractor”.

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

    • 4.6★ from 9 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
  6. Based in Hemet, 23 mi away

    53/100CR Score

    Ranked #18 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.

    • 5.0★ from 6 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    3292 E Florida Ave A, Hemet, CA 92544
  7. Based in Riverside, 18 mi away

    53/100CR Score

    Ranked #19 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.

    • 5.0★ from 6 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    3410 La Sierra Ave, Riverside, CA 92503
  8. Based in Riverside, 20 mi away

    52/100CR Score

    Ranked #20 because of its Google rating and trade focus: 5.0★ from 42 Google reviews, listed on Google as “Excavating contractor”.

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

    • 5.0★ from 42 Google reviews
    Hours
    Mon–Fri 7 AM–4 PM · Sat–Sun closed
    Address
    2450 Mulberry St, Riverside, CA 92501
  9. Based in Corona, 16 mi away

    51/100CR Score

    Ranked #21 because of its Google rating and trade focus: 4.6★ from 7 Google reviews, listed on Google as “Excavating contractor”.

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

    • 4.6★ from 7 Google reviews
    Hours
    Mon–Sat 8:30 AM–7 PM · Sun closed
    Address
    1345 Quarry St Unit 101, Corona, CA 92879
  10. Based in Riverside, 13 mi away

    51/100CR Score

    Ranked #24 because of its Google rating and trade focus: 3.8★ from 4 Google reviews, listed on Google as “Excavating contractor”.

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

    • 3.8★ from 4 Google reviews
    Hours
    Mon–Sat 6:30 AM–4 PM · Sun closed
    Address
    9507 58th St, Riverside, CA 92509
  11. Based in Anaheim, 20 mi away

    50/100CR Score

    Ranked #25 because of its Google rating and trade focus: 3.8★ from 13 Google reviews, listed on Google as “Excavating contractor”.

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

    • 3.8★ from 13 Google reviews
    Hours
    Mon–Fri 7 AM–8 PM · Sat closed · Sun 7 AM–8 PM
    Address
    800 E Orangefair Ln, Anaheim, CA 92801

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 54 ranked excavating contractors here; the rest are on their profiles.

excavating contractors in Montclair, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26R & S Madrigal Grading Construction505.0★ (3)17 mi
27Risen Excavation505.0★ (8)8 mi
28Main Street Demolition of Ontario505.0★ (9)6 mi
29Ray Kevin Demolition503.0★ (4)16 mi
30Main Street Demolition of Rancho Cucamonga505.0★ (11)8 mi
31Drilling & Trenching Supply Inc505.0★ (4)21 mi
32Herring Trenching Co Inc503.7★ (3)18 mi
33United Rentals - Trench Safety495.0★ (6)18 mi
34Bay Cities Paving495.0★ (27)19 mi
35Main Street Demolition of Fontana495.0★ (12)13 mi
36Diamond Grading, Inc.493.7★ (3)13 mi
37Salsbury Engineering, Inc.485.0★ (7)23 mi
38J K Excavation & Grading484.7★ (3)18 mi
39Mike Zarp, Inc.482.8★ (6)16 mi
40Chamberlain Backhoe Service485.0★ (6)18 mi
41Dakeno Inc483.7★ (3)17 mi
42Endrizzi Grading & Excavating483.7★ (3)25 mi
43S-Line Contractors465.0★ (14)19 mi
44Main Street Demolition of San Bernardino465.0★ (9)23 mi
45Superior Asphalt Services455.0★ (3)15 mi
46Peterson Grading & Paving Inc444.2★ (5)20 mi
47A&J Septic Services444.8★ (16)18 mi
48SoCal Dirt, Rock & Sand435.0★ (6)24 mi
49Roche Excavating Inc433.2★ (10)25 mi
50Earth Basics Contracting Corporation425.0★ (5)18 mi

Also serving Montclair

20 more excavating contractors within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.

Unranked excavating contractors serving Montclair
BusinessGoogle ratingDistance
Air conditioning and HVAC Solutions MontclairIn Montclair
Born again constructionIn Montclair
Demolition 4 You5.0★ (2)20 mi
Double A Marble&Granite IncIn Montclair
Elyvorix EaveIn Montclair
I & G Excavation & Demo5.0★ (2)3 mi
Indian Construction Inc3.0★ (2)18 mi
J.V. Landclearing Company Inc.5.0★ (2)7 mi
KAAN CONSTRUCTIONS INC5.0★ (19)In Montclair
Premiere Engineering & Grading3.0★ (2)18 mi
Pro Grading Inc5.0★ (2)14 mi
RBD Cutting, Grading and Markers5.0★ (2)21 mi
RC AC Repair & HVAC Installation Montclair5.0★ (116)In Montclair
Reyes Construction, IncIn Montclair
Riverside Trash Talkers5.0★ (2)18 mi
S & S Backhoe5.0★ (2)14 mi
Southern California Construction Development Inc5.0★ (2)14 mi
Staib Backhoe & Excavation2.0★ (2)8 mi
Suncore Demolition, Grading, and Construction - Ontario5.0★ (2)2 mi
Winkler's Excavating & Grading3.0★ (2)4 mi

How we ranked Montclair excavating contractors

We scored 54 Montclair 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 Montclair 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 Montclair: frequently asked questions

Who is the best excavating contractor in Montclair?

By CR Score, the highest-ranked excavating contractor in Montclair, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 61/100. It has 4.8★ from 1,330 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 54 excavating contractors on ten factors, last updated November 3, 2026.

How many excavating contractors are there in Montclair?

ContractorsRanked ranks 54 excavating contractors serving Montclair, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which excavating contractors in Montclair are open 24/7?

13 ranked excavating contractors in Montclair post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#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 Montclair work on weekends?

27 of 54 ranked excavating contractors post Saturday hours and 22 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Montclair excavating contractors have?

The median Google rating among 54 rated excavating contractors in Montclair is 4.9★, with a median of 7 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 1,330 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 Montclair count in this ranking?

Yes, if they are within 25 mi of the Montclair 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 Montclair

  1. November 2026: CR Scores recalculated for 54 excavating contractors serving Montclair.
  2. November 2026: 1 duplicate listing merged.

More excavating contractors and Montclair pages

Other trades in Montclair