59/100CR Score
Ranked #1 because of its Google rating and review volume: 4.8★ from 1,239 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Excavating Contractors in Los Altos, CA (2026)
62 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Los Altos: Roto-Rooter Plumbing & Water Cleanup, CR Score 59/100; 4.8★ from 1,239 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #3 of 62.
- 7
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 1,657 Google reviews at 4.8★, the most of 62 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
62 Los Altos excavating contractors are ranked here by CR Score, from ten published factors. 12 are open 24/7, 42 open Saturdays and 31 open Sundays, based on posted hours. The median Google rating is 5.0★ across 62 rated businesses.
Most of this list also appears on the Excavating contractors in San Jose ranking. See Excavating contractors in San Jose
Top 10 excavating contractors in Los Altos at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Roto-Rooter Plumbing & Water Cleanup | 59 | 4.8★ (1,239) | East Palo Alto, 6 mi away | 24/7 | Overall |
| 2 | Diaz Hauling, Inc. | 59 | 5.0★ (144) | Hayward, 17 mi away | Sat · Sun · Evenings | — |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 58 | 4.8★ (781) | Sunnyvale, 7 mi away | 24/7 | Emergencies |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 58 | 4.8★ (1,039) | Santa Clara, 9 mi away | 24/7 | — |
| 5 | Roto-Rooter Plumbing & Water Cleanup | 57 | 5.0★ (510) | Union City, 16 mi away | 24/7 | — |
| 6 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.8★ (947) | San Mateo, 16 mi away | 24/7 | — |
| 7 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.8★ (1,657) | San Jose, 22 mi away | 24/7 | Most reviews |
| 8 | Roto-Rooter Plumbing & Water Cleanup | 55 | 4.9★ (222) | Fremont, 15 mi away | 24/7 | — |
| 9 | Roto-Rooter Plumbing & Water Cleanup | 54 | 4.8★ (229) | Hayward, 17 mi away | 24/7 | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 54 | 4.8★ (121) | Milpitas, 14 mi away | 24/7 | — |
The 62 best excavating contractors in Los Altos, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Hayward, 17 mi away
59/100CR ScoreRanked #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.
Based in Sunnyvale, 7 mi away
58/100CR ScoreRanked #3 because of its Google rating and review volume: 4.8★ from 781 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Clara, 9 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 1,039 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Union City, 16 mi away
57/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 510 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Mateo, 16 mi away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 947 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Jose, 22 mi away
56/100CR ScoreRanked #7 because of its Google rating and review volume: 4.8★ from 1,657 Google reviews, the most in Los Altos.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 15 mi away
55/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 222 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hayward, 17 mi away
54/100CR ScoreRanked #9 because of its Google rating and review volume: 4.8★ from 229 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Milpitas, 14 mi away
54/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 121 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Carlos, 11 mi away
53/100CR ScoreRanked #11 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.
Based in San Jose, 13 mi away
53/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 252 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sunnyvale, 6 mi away
52/100CR ScoreRanked #13 because of its Google rating and availability: 4.5★ from 34 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Saratoga, 11 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Jose, 17 mi away
52/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 28 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Gilroy, 1 mi away
52/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Newark, 12 mi away
52/100CR ScoreRanked #17 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.
Based in Santa Cruz, 23 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Burlingame, 3 mi away
51/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#20 AIMS Companies
Based in San Leandro, 23 mi away
51/100CR ScoreRanked #20 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 Alum Rock, 16 mi away
51/100CR ScoreRanked #21 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 San Bruno, 22 mi away
51/100CR 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.
#23 wl demo corp
Based in Oakland, 14 mi away
51/100CR ScoreRanked #23 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.
Based in Campbell, 12 mi away
51/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “General contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fremont, 11 mi away
51/100CR ScoreRanked #25 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Demolition contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
How we ranked Los Altos excavating contractors
We scored 62 Los Altos 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 Los Altos 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 Los Altos: frequently asked questions
Who is the best excavating contractor in Los Altos?
By CR Score, the highest-ranked excavating contractor in Los Altos, CA is Roto-Rooter Plumbing & Water Cleanup with a CR Score of 59/100. It has 4.8★ from 1,239 Google reviews. It is open 24/7. Diaz Hauling, Inc. (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 62 excavating contractors on ten factors, last updated November 3, 2026.
How many excavating contractors are there in Los Altos?
ContractorsRanked ranks 62 excavating contractors serving Los Altos, CA. Counts are as of November 2026.
Which excavating contractors in Los Altos are open 24/7?
12 ranked excavating contractors in Los Altos 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 Los Altos work on weekends?
42 of 62 ranked excavating contractors post Saturday hours and 31 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 Los Altos excavating contractors have?
The median Google rating among 62 rated excavating contractors in Los Altos is 5.0★, with a median of 10 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 1,657 reviews, and ranks #7. 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 Los Altos count in this ranking?
Yes, if they are within 25 mi of the Los Altos 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 Los Altos
- November 2026: CR Scores recalculated for 62 excavating contractors serving Los Altos.
- November 2026: 1 duplicate listing merged.
More excavating contractors and Los Altos pages
Excavating contractors near Los Altos
- Excavating contractors in Mountain View, CA60 ranked
- Excavating contractors in Stanford, CA66 ranked
- Excavating contractors in Palo Alto, CA69 ranked
- Excavating contractors in Sunnyvale, CA59 ranked
- Excavating contractors in East Palo Alto, CA72 ranked
- Excavating contractors in Menlo Park, CA70 ranked
- Excavating contractors in Cupertino, CA64 ranked
- Excavating contractors in North Fair Oaks, CA72 ranked
- Excavating contractors in Santa Clara, CA60 ranked
- Excavating contractors in Redwood City, CA68 ranked
Other trades in Los Altos
- Roofers in Los Altos685 ranked
- Plumbers in Los Altos589 ranked
- Electricians in Los Altos429 ranked
- HVAC contractors in Los Altos521 ranked
- General contractors in Los Altos830 ranked
- Painters in Los Altos194 ranked
- Landscapers in Los Altos226 ranked
- Handymen in Los Altos98 ranked
- Kitchen remodelers in Los Altos473 ranked
- Bathroom remodelers in Los Altos437 ranked
- Flooring contractors in Los Altos277 ranked
- Tile installers in Los Altos78 ranked
- Drywall contractors in Los Altos29 ranked
- Concrete contractors in Los Altos239 ranked
- Fence contractors in Los Altos122 ranked
- Deck builders in Los Altos95 ranked
- Siding contractors in Los Altos85 ranked
- Window installers in Los Altos277 ranked
- Gutter installers in Los Altos169 ranked
- Insulation contractors in Los Altos86 ranked
- Solar installers in Los Altos282 ranked
- Garage door repair companies in Los Altos201 ranked
- Foundation repair companies in Los Altos108 ranked
- Tree services in Los Altos239 ranked
- Masonry contractors in Los Altos107 ranked
- Water damage restoration companies in Los Altos365 ranked
- Home builders in Los Altos467 ranked
- Demolition contractors in Los Altos78 ranked
- Window cleaners in Los Altos113 ranked
- Pressure washing companies in Los Altos85 ranked
- Pest control companies in Los Altos181 ranked
- Paving contractors in Los Altos148 ranked
- Auto glass repair shops in Los Altos265 ranked
- Septic service companies in Los Altos56 ranked
- Pool builders in Los Altos178 ranked
- All contractors in Los Altos