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Best Excavating Contractors in Belmont, CA (2026)

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

The short answer

  1. 1

    Best overall in Belmont: Roto-Rooter Plumbing & Water Cleanup, CR Score 59/100; 4.8★ from 947 Google reviews; open 24/7.

  2. 3

    Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #3 of 67.

  3. 5

    Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 2,560 Google reviews at 4.8★, the most of 67 ranked; ranked #5.

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

67 Belmont excavating contractors are ranked here by CR Score, from ten published factors. 13 are open 24/7, 45 open Saturdays and 36 open Sundays, based on posted hours. The median Google rating is 5.0★ across 67 rated businesses.

Top 10 excavating contractors in Belmont at a glance

Top 10 excavating contractors in Belmont at a glance
RankBusinessCR ScoreGoogle ratingBased inHoursBest for
1Roto-Rooter Plumbing & Water Cleanup594.8★ (947)San Mateo, 3 mi away24/7Overall
2Diaz Hauling, Inc.595.0★ (144)Hayward, 14 mi awaySat · Sun · Evenings—
3Roto-Rooter Plumbing & Water Cleanup584.8★ (1,239)East Palo Alto, 8 mi away24/7Emergencies
4Roto-Rooter Plumbing & Water Cleanup565.0★ (510)Union City, 14 mi away24/7—
5Roto-Rooter Plumbing & Water Cleanup564.8★ (2,560)Oakland, 20 mi away24/7Most reviews
6Harris Excavation565.0★ (25)South San Francisco, 13 mi awaySat · Sun · Evenings—
7DoBel Construction Inc.554.3★ (10)San Carlos, 2 mi away——
8Roto-Rooter Plumbing & Water Cleanup554.8★ (781)Sunnyvale, 18 mi away24/7—
9Roto-Rooter Plumbing & Water Cleanup554.8★ (1,039)Santa Clara, 20 mi away24/7—
10Roto-Rooter Plumbing & Water Cleanup554.8★ (229)Hayward, 11 mi away24/7—

The 67 best excavating contractors in Belmont, ranked

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

  1. Based in Hayward, 14 mi away

    59/100CR Score

    Ranked #2 because of its Google rating and trade focus: 5.0★ from 144 Google reviews, listed on Google as “Excavating contractor”.

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

    • 5.0★ from 144 Google reviews
    Hours
    Mon–Sun 6 AM–10 PM
    Address
    28884 Venus St, Hayward, CA 94544
  2. Based in South San Francisco, 13 mi away

    56/100CR Score

    Ranked #6 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Excavating contractor”.

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

    • 5.0★ from 25 Google reviews
    Hours
    Mon–Fri 7 AM–7 PM · Sat–Sun 8 AM–6 PM
    Address
    36 Chestnut Ave #5614, South San Francisco, CA 94080
  3. Based in San Carlos, 2 mi away

    55/100CR Score

    Ranked #7 because of its Google rating and trade focus: 4.3★ from 10 Google reviews, listed on Google as “Excavating contractor”.

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

    • 4.3★ from 10 Google reviews
    Address
    948 Center St, San Carlos, CA 94070
  4. Based in San Bruno, 9 mi away

    54/100CR Score

    Ranked #11 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.

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

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Sun 7 AM–7 PM
    Address
    132 Santa Helena Ave, San Bruno, CA 94066
  5. Based in San Leandro, 14 mi away

    53/100CR Score

    Ranked #14 because of its Google rating and trade focus: 2.8★ from 4 Google reviews, listed on Google as “Excavating contractor”.

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

    • 2.8★ from 4 Google reviews
    • Open 24/7
    Hours
    Open 24 hours, 7 days
    Address
    1616 Doolittle Dr, San Leandro, CA 94577
  6. Based in Hayward, 11 mi away

    52/100CR Score

    Ranked #17 because of its Google rating and trade focus: 4.6★ from 21 Google reviews, listed on Google as “Excavating contractor”.

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

    • 4.6★ from 21 Google reviews
    Hours
    Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
    Address
    4125 Breakwater Ave, Hayward, CA 94545
  7. Based in South San Francisco, 12 mi away

    52/100CR Score

    Ranked #18 because of its Google rating and review volume: 4.8★ from 112 Google reviews.

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

    • 4.8★ from 112 Google reviews
    Hours
    Mon–Fri 7 AM–5 PM · Sat–Sun 8 AM–4:30 PM
    Address
    170 S Spruce Ave, South San Francisco, CA 94080
  8. Based in Oakland, 15 mi away

    51/100CR Score

    Ranked #22 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–Sat 7:30 AM–5 PM · Sun closed
  9. Based in Newark, 15 mi away

    51/100CR Score

    Ranked #24 because of its Google rating and trade focus: 4.9★ from 16 Google reviews, listed on Google as “Paving contractor”.

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

    • 4.9★ from 16 Google reviews
    Hours
    Mon–Sun 8 AM–5 PM
    Address
    39899 Balentine Dr #200, Newark, CA 94560
  10. Based in South San Francisco, 11 mi away

    50/100CR Score

    Ranked #25 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Excavating contractor”.

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

    • 5.0★ from 5 Google reviews
    Hours
    Mon–Fri 7 AM–4:30 PM · Sat–Sun closed
    Address
    251 Shaw Rd, South San Francisco, CA 94080

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

excavating contractors in Belmont, ranks 26 to 50
RankBusinessCR ScoreGoogle ratingDistance
26Redwood City Asphalt Co505.0★ (7)3 mi
27Ace Drilling & Excavation503.7★ (3)16 mi
28Smart Demolition & Excavation494.6★ (32)15 mi
29Around the Clock Service, Inc.494.5★ (34)18 mi
30Palo Alto Asphalt Co495.0★ (15)12 mi
31Jandu General Engineering Inc – Excavation, Demolition & Site Works Contractor495.0★ (17)24 mi
32Mountain View Asphalt Co495.0★ (14)13 mi
33South San Francisco Asphalt Co495.0★ (9)10 mi
34E G CONCRETE CONSTRUCTION495.0★ (3)4 mi
35Bess Testlab Inc. (Bess Utility Solutions)492.8★ (13)12 mi
36Main Street Demolition of Fremont485.0★ (16)15 mi
37Aldo Demolition485.0★ (9)5 mi
38Big Valley Pipelines485.0★ (12)25 mi
39Tri Valley Excavating483.2★ (6)23 mi
40Aristocrat Construction485.0★ (3)In Belmont
41Asphalt Paving Hayward485.0★ (9)13 mi
42All Good Excavators & Demolition485.0★ (5)3 mi
43Asphalt Paving Oakland485.0★ (14)17 mi
44The San Jose Excavating Company485.0★ (8)24 mi
45Cube Construction Inc475.0★ (35)24 mi
46Sunnyvale Asphalt Co475.0★ (11)16 mi
47Have Dumptruck, Will Travel475.0★ (15)20 mi
48Gragg Paving475.0★ (9)10 mi
49Saavedra Hauling and Demolition475.0★ (5)14 mi
50Interstate Grading & Paving472.6★ (5)12 mi

Also serving Belmont

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 Belmont
BusinessGoogle ratingDistance
Badger Infrastructure Solutions - San Jose, CA3.0★ (2)23 mi
Bay Area Hydrovac1.0★ (2)13 mi
Blackwell General Engineering3.0★ (2)25 mi
BREAKGROUND EXCAVATING5.0★ (2)12 mi
CHS Development GroupIn Belmont
Demolition And Excavation Heroes5.0★ (2)17 mi
Double O Engineering, Inc.5.0★ (1)3 mi
Excel Site Services5.0★ (2)12 mi
Extra Mile Excavating3.0★ (2)16 mi
Fanfa Inc5.0★ (2)12 mi
G-Core Engineering5.0★ (2)14 mi
Goldcrest Drywall ContractorsIn Belmont
Granite Excavation & Demolition4.5★ (2)11 mi
Ironwave Garage Door Repair BelmontIn Belmont
Luciano Concrete Construction5.0★ (2)3 mi
S A S Bobcat Service5.0★ (1)4 mi
TerrnexoqTerrnexoq RoofingIn Belmont
V&B Grading Inc.5.0★ (2)18 mi
Water Rock Construction3.0★ (2)19 mi
Webcom IncIn Belmont

How we ranked Belmont excavating contractors

We scored 67 Belmont 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 Belmont 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 Belmont: frequently asked questions

Who is the best excavating contractor in Belmont?

By CR Score, the highest-ranked excavating contractor in Belmont, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 59/100. It has 4.8★ from 947 Google reviews. It is open 24/7. Diaz Hauling, Inc. (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 67 excavating contractors on ten factors, last updated November 3, 2026.

How many excavating contractors are there in Belmont?

ContractorsRanked ranks 67 excavating contractors serving Belmont, CA. 2 of them are based in Belmont; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.

Which excavating contractors in Belmont are open 24/7?

13 ranked excavating contractors in Belmont post 24/7 hours. The highest-ranked are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#3) and Roto-Rooter Plumbing & Water Cleanup (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.

Which excavating contractors in Belmont work on weekends?

45 of 67 ranked excavating contractors post Saturday hours and 36 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Diaz Hauling, Inc. (#2) and Roto-Rooter Plumbing & Water Cleanup (#3). Posted hours are office hours; crews may book weekend jobs separately.

What Google rating do Belmont excavating contractors have?

The median Google rating among 67 rated excavating contractors in Belmont is 5.0★, with a median of 11 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 2,560 reviews, and ranks #5. 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 Belmont count in this ranking?

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

  1. November 2026: CR Scores recalculated for 67 excavating contractors serving Belmont.
  2. November 2026: 2 duplicate listings merged.

More excavating contractors and Belmont pages

Other trades in Belmont