62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.7★ from 33 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Casa Grande, AZ (2026)
14 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Casa Grande: Casa Grande Septic Services, CR Score 62/100; 4.7★ from 33 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Above All The Rest Plumbing and Sewer LLC, posts 24/7 hours; ranked #2 of 14.
- 6
Most-reviewed: Kooline Plumbing Heating & Air LLC, 493 Google reviews at 4.8★, the most of 14 ranked; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Casa Grande septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 8 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 14 rated businesses.
Top 10 septic service companies in Casa Grande at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Casa Grande Septic Services | 62 | 4.7★ (33) | Casa Grande | 24/7 | Overall |
| 2 | Above All The Rest Plumbing and Sewer LLC | 61 | 4.6★ (190) | Casa Grande | 24/7 | Emergencies |
| 3 | Pipe Masters Plumbing & Sewer | 59 | 5.0★ (362) | Apache Junction, 19 mi away | 24/7 | — |
| 4 | Clark's Septic Tank Service, LLC | 57 | 4.9★ (32) | Casa Grande | — | — |
| 5 | Simply Rooter and Septic LLC | 57 | 4.4★ (66) | Maricopa, 22 mi away | 24/7 | — |
| 6 | Kooline Plumbing Heating & Air LLC | 56 | 4.8★ (493) | Maricopa, 19 mi away | 24/7 | Most reviews |
| 7 | Canyon State Septic LLC | 55 | 5.0★ (97) | Florence, 21 mi away | — | — |
| 8 | Casa Grande septic | 55 | 3.8★ (4) | Eloy, 12 mi away | 24/7 | — |
| 9 | Mil-Spec LLC | 52 | 4.7★ (23) | Chandler, 13 mi away | 24/7 | — |
| 10 | Sunset Septic | 51 | 4.3★ (87) | Queen Creek, 24 mi away | — | — |
The 14 best septic service companies in Casa Grande, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Scores below: based on 8 of 10 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Casa Grande
61/100CR ScoreRanked #2 because of its Google rating and review volume: 4.6★ from 190 Google reviews.
Based in Apache Junction, 19 mi away
59/100CR ScoreRanked #3 because of its Google rating and review volume: 5.0★ from 362 Google reviews.
Based in Casa Grande
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 32 Google reviews, listed on Google as “Septic system service”.
Based in Maricopa, 22 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 4.4★ from 66 Google reviews, listed on Google as “Septic system service”.
Based in Maricopa, 19 mi away
56/100CR ScoreRanked #6 because of its Google rating and review volume: 4.8★ from 493 Google reviews, the most in Casa Grande.
Based in Florence, 21 mi away
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 97 Google reviews, listed on Google as “Septic system service”.
Based in Eloy, 12 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 3.8★ from 4 Google reviews, listed on Google as “Septic system service”.
#9 Mil-Spec LLC
Based in Chandler, 13 mi away
52/100CR ScoreRanked #9 because of its Google rating and review volume: 4.7★ from 23 Google reviews.
#10 Sunset Septic
Based in Queen Creek, 24 mi away
51/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.3★ from 87 Google reviews, listed on Google as “Septic system service”.
Based in Maricopa, 21 mi away
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.7★ from 6 Google reviews, listed on Google as “Septic system service”.
#12 Picacho Sewer
Based in Eloy, 8 mi away
47/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based in Avra Valley, 24 mi away
43/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Plumber”.
#14 PE Drilling
Based in Coolidge, 19 mi away
43/100CR ScoreRanked #14 because of its Google rating and trade focus: 3.9★ from 15 Google reviews, listed on Google as “General contractor”.
Also serving Casa Grande
2 more septic service companies within 25 mi that we can't rank yet: too few reviews, or a trade we couldn't confirm. Listed A to Z.
| Business | Distance |
|---|---|
| Arizona Compliant Drain and Pipe Lining | 12 mi |
| Copperstate Mechanical | 15 mi |
How we ranked Casa Grande septic service companies
We scored 14 Casa Grande septic service companies 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 2, 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 Casa Grande 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 |
Septic service companies in Casa Grande: frequently asked questions
Who is the best septic service company in Casa Grande?
By CR Score, the highest-ranked septic service company in Casa Grande, AZ is Casa Grande Septic Services with a CR Score of 62/100. It has 4.7★ from 33 Google reviews. It is open 24/7. Above All The Rest Plumbing and Sewer LLC (#2) and Pipe Masters Plumbing & Sewer (#3) follow. We ranked 14 septic service companies on ten factors, last updated November 2, 2026.
How many septic service companies are there in Casa Grande?
ContractorsRanked ranks 14 septic service companies serving Casa Grande, AZ. 3 of them are based in Casa Grande; the rest serve it from nearby towns. Another 2 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Casa Grande are open 24/7?
7 ranked septic service companies in Casa Grande post 24/7 hours. The highest-ranked are Casa Grande Septic Services (#1), Above All The Rest Plumbing and Sewer LLC (#2) and Pipe Masters Plumbing & Sewer (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Casa Grande work on weekends?
8 of 14 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Casa Grande Septic Services (#1), Above All The Rest Plumbing and Sewer LLC (#2) and Pipe Masters Plumbing & Sewer (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Casa Grande septic service companies have?
The median Google rating among 14 rated septic service companies in Casa Grande is 4.7★, with a median of 33 reviews. Kooline Plumbing Heating & Air LLC has the most, 493 reviews, and ranks #6. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank septic service companies?
Each septic service company 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 septic service companies outside Casa Grande count in this ranking?
Yes, if they are within 25 mi of the Casa Grande city center, our service radius for septic service companies. 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 septic service companies 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 Casa Grande
- November 2026: CR Scores recalculated for 14 septic service companies serving Casa Grande.
More septic service companies and Casa Grande pages
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