63/100CR Score
Ranked #1 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.
Best Excavating Contractors in Porterville, CA (2026)
8 excavating contractors ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Porterville: Exterra Construction Inc, CR Score 63/100; 5.0★ from 7 Google reviews; open 24/7.
- 7
Most-reviewed: Dunn's Inc., 24 Google reviews at 4.0★, the most of 8 ranked; ranked #7.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
8 Porterville excavating contractors are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.9★ across 8 rated businesses.
Most of this list also appears on the Excavating contractors in Visalia ranking. See Excavating contractors in Visalia
Top 8 excavating contractors in Porterville at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Exterra Construction Inc | 63 | 5.0★ (7) | Porterville | 24/7 | Overall |
| 2 | Vollmer Excavation | 61 | 5.0★ (13) | Porterville | — | — |
| 3 | Bruce Volaski Excavation | 60 | 5.0★ (4) | Porterville | Sat · Sun | — |
| 4 | Lambert Backhoe | 58 | 4.8★ (6) | Tulare, 6 mi away | — | — |
| 5 | Cardoza Company | 55 | 4.4★ (9) | Tulare, 21 mi away | Sat | — |
| 6 | Andrews Backhoe Service | 52 | 4.0★ (4) | Tulare, 16 mi away | — | — |
| 7 | Dunn's Inc. | 50 | 4.0★ (24) | Visalia, 24 mi away | Sat | Most reviews |
| 8 | Barnett Land Leveling Company | 46 | 5.0★ (3) | Exeter, 18 mi away | — | — |
The 8 best excavating contractors in Porterville, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Porterville
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Porterville
60/100CR ScoreRanked #3 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 Tulare, 6 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.8★ from 6 Google reviews, listed on Google as “Excavating contractor”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Tulare, 21 mi away
55/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 9 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Tulare, 16 mi away
52/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Excavating contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#7 Dunn's Inc.
Based in Visalia, 24 mi away
50/100CR ScoreRanked #7 because of its Google rating and review volume: 4.0★ from 24 Google reviews, the most in Porterville.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Exeter, 18 mi away
46/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Real estate developer”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
How we ranked Porterville excavating contractors
We scored 8 Porterville 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 Porterville 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 Porterville: frequently asked questions
Who is the best excavating contractor in Porterville?
By CR Score, the highest-ranked excavating contractor in Porterville, CA is Exterra Construction Inc with a CR Score of 63/100. It has 5.0★ from 7 Google reviews. It is open 24/7. Vollmer Excavation (#2) and Bruce Volaski Excavation (#3) follow. We ranked 8 excavating contractors on ten factors, last updated November 3, 2026.
How many excavating contractors are there in Porterville?
ContractorsRanked ranks 8 excavating contractors serving Porterville, CA. 3 of them are based in Porterville; the rest serve it from nearby towns. Counts are as of November 2026.
Which excavating contractors in Porterville are open 24/7?
1 ranked excavating contractor in Porterville posts 24/7 hours. The highest-ranked is Exterra Construction Inc (#1). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which excavating contractors in Porterville work on weekends?
4 of 8 ranked excavating contractors post Saturday hours and 2 post Sunday hours. The highest-ranked open Saturdays are Exterra Construction Inc (#1), Bruce Volaski Excavation (#3) and Cardoza Company (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Porterville excavating contractors have?
The median Google rating among 8 rated excavating contractors in Porterville is 4.9★, with a median of 7 reviews. Dunn's Inc. has the most, 24 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 Porterville count in this ranking?
Yes, if they are within 25 mi of the Porterville 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 Porterville
- November 2026: CR Scores recalculated for 8 excavating contractors serving Porterville.
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