57/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 2,560 Google reviews, the most in Mill Valley.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Excavating Contractors in Mill Valley, CA (2026)
54 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Mill Valley: Roto-Rooter Plumbing & Water Cleanup, CR Score 57/100; 4.8★ from 2,560 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #2 of 54.
- 2
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 313 Google reviews at 4.8★, the most of 54 ranked after Roto-Rooter Plumbing & Water Cleanup; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
54 Mill Valley excavating contractors are ranked here by CR Score, from ten published factors. 5 are open 24/7, 32 open Saturdays and 18 open Sundays, based on posted hours. The median Google rating is 5.0★ across 54 rated businesses.
Top 10 excavating contractors in Mill Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 57 | 4.8★ (2,560) | Oakland, 17 mi away | 24/7 | Overall |
| 2 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.8★ (313) | Richmond, 9 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Harris Excavation | 54 | 5.0★ (25) | South San Francisco, 18 mi away | Sat · Sun · Evenings | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 54 | 5.0★ (191) | Alameda, 17 mi away | 24/7 | — |
| 5 | Hurricane Hauling & Demolition, Inc. | 52 | 4.9★ (36) | San Rafael, 4 mi away | Sat · Sun | — |
| 6 | Dmp construction / Demoliton | 51 | 5.0★ (5) | San Bruno, 22 mi away | Sat · Sun · Evenings | — |
| 7 | AIMS Companies | 51 | 2.8★ (4) | San Leandro, 24 mi away | 24/7 | — |
| 8 | Howie Excavating & Grading | 50 | 5.0★ (7) | San Rafael, 6 mi away | Sat · Evenings | — |
| 9 | J J Rooter & Plumbing | 50 | 4.9★ (94) | Albany, 13 mi away | Sat · Evenings | — |
| 10 | VanGo Rooter | 50 | 4.8★ (112) | South San Francisco, 19 mi away | Sat · Sun | — |
The 54 best excavating contractors in Mill Valley, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Richmond, 9 mi away
56/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 313 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South San Francisco, 18 mi away
54/100CR ScoreRanked #3 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.
Based in Alameda, 17 mi away
54/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 191 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Rafael, 4 mi away
52/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Bruno, 22 mi away
51/100CR ScoreRanked #6 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.
Based in San Leandro, 24 mi away
51/100CR ScoreRanked #7 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.
Based in San Rafael, 6 mi away
50/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Albany, 13 mi away
50/100CR ScoreRanked #9 because of its Google rating and review volume: 4.9★ from 94 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 VanGo Rooter
Based in South San Francisco, 19 mi away
50/100CR ScoreRanked #10 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.
Based in San Francisco, 15 mi away
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Lucas Valley-Marinwood, 3 mi away
49/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Manteca, 7 mi away
49/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 25 Google reviews, listed on Google as “Electrician”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Francisco, 15 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.6★ from 32 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sonoma, 22 mi away
49/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#16 Got Hauling?
Based in San Rafael, 5 mi away
49/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Richmond, 10 mi away
49/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.7★ from 14 Google reviews, listed on Google as “Construction company”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Vallejo, 22 mi away
49/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Bloomington, 14 mi away
48/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Berkeley, 15 mi away
48/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Belmont, 12 mi away
48/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South San Francisco, 20 mi away
48/100CR ScoreRanked #22 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.
Based in Lafayette, 24 mi away
48/100CR ScoreRanked #23 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Rafael, 4 mi away
48/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Rafael, 4 mi away
47/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.0★ from 6 Google reviews, listed on Google as “Demolition 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 54 ranked excavating contractors here; the rest are on their profiles.
Also serving Mill Valley
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.
| Business | Google rating | Distance |
|---|---|---|
| Bear Claw Demolition | 5.0★ (2) | 23 mi |
| Campbell Grading Inc | In Mill Valley | |
| Concrete Mill Valley | In Mill Valley | |
| Demolition And Excavation Heroes | 5.0★ (2) | 19 mi |
| Edri Construction | 5.0★ (2) | In Mill Valley |
| Edri Construction | 5.0★ (1) | 15 mi |
| Excel Site Services | 5.0★ (2) | 19 mi |
| G-Core Engineering | 5.0★ (2) | 19 mi |
| GeoLuxe Construction | 5.0★ (2) | In Mill Valley |
| Granite Excavation & Demolition | 4.5★ (2) | 20 mi |
| Greener Excavations and Construction | 5.0★ (2) | 7 mi |
| Hillside Drilling Inc | 5.0★ (1) | 10 mi |
| Knollwood Drywall Company | In Mill Valley | |
| Lunny Grading & Paving Inc | 5.0★ (1) | 14 mi |
| LVI Engineering | 5.0★ (1) | 12 mi |
| M2 Design & Construction | In Mill Valley | |
| Machado Brothers Inc | 5.0★ (2) | 23 mi |
| NCM Concrete & Excavation | 5.0★ (1) | 7 mi |
| Penhurst Repair Solutions | In Mill Valley | |
| Water Rock Construction | 3.0★ (2) | 17 mi |
How we ranked Mill Valley excavating contractors
We scored 54 Mill Valley 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 Mill Valley 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 Mill Valley: frequently asked questions
Who is the best excavating contractor in Mill Valley?
By CR Score, the highest-ranked excavating contractor in Mill Valley, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 57/100. It has 4.8★ from 2,560 Google reviews. It is open 24/7. Roto-Rooter Plumbing & Water Cleanup (#2) and Harris Excavation (#3) follow. We ranked 54 excavating contractors on ten factors, last updated November 3, 2026.
How many excavating contractors are there in Mill Valley?
ContractorsRanked ranks 54 excavating contractors serving Mill Valley, CA. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which excavating contractors in Mill Valley are open 24/7?
5 ranked excavating contractors in Mill Valley 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 (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which excavating contractors in Mill Valley work on weekends?
32 of 54 ranked excavating contractors post Saturday hours and 18 post Sunday hours. The highest-ranked open Saturdays are Roto-Rooter Plumbing & Water Cleanup (#1), Roto-Rooter Plumbing & Water Cleanup (#2) and Harris Excavation (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Mill Valley excavating contractors have?
The median Google rating among 54 rated excavating contractors in Mill Valley is 5.0★, with a median of 8 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 2,560 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 Mill Valley count in this ranking?
Yes, if they are within 25 mi of the Mill Valley 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 Mill Valley
- November 2026: CR Scores recalculated for 54 excavating contractors serving Mill Valley.
More excavating contractors and Mill Valley pages
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