61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Best Septic Service Companies in Nipomo, CA (2026)
15 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Nipomo: SLO septic pumping, CR Score 61/100; 5.0★ from 10 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Clay's Septic & Jetting Inc, posts 24/7 hours; ranked #2 of 15.
- 4
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 110 Google reviews at 4.6★, the most of 15 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
15 Nipomo septic service companies are ranked here by CR Score, from ten published factors. 7 are open 24/7, 9 open Saturdays and 8 open Sundays, based on posted hours. The median Google rating is 4.8★ across 15 rated businesses.
Top 10 septic service companies in Nipomo at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | SLO septic pumping | 61 | 5.0★ (10) | Nipomo | 24/7 | Overall |
| 2 | Clay's Septic & Jetting Inc | 60 | 4.8★ (16) | Guadalupe, 8 mi away | 24/7 | Emergencies |
| 3 | Clay's Septic & Jetting Inc | 59 | 4.7★ (12) | Santa Maria, 6 mi away | 24/7 | — |
| 4 | Roto-Rooter Plumbing & Water Cleanup | 56 | 4.6★ (110) | San Luis Obispo, 18 mi away | 24/7 | Most reviews |
| 5 | Elite Rooter Plumbers | 55 | 4.4★ (46) | Santa Maria, 8 mi away | 24/7 | — |
| 6 | Central Coast Septic | 55 | 5.0★ (9) | Arroyo Grande, 16 mi away | Sat · Sun · Evenings | — |
| 7 | United Site Services | 55 | 4.0★ (4) | Nipomo | Sat · Evenings | — |
| 8 | Essential Pro Plumbing | 52 | 5.0★ (4) | Nipomo | 24/7 | — |
| 9 | Roto-Rooter Plumbing & Water Cleanup | 50 | 4.1★ (22) | San Luis Obispo, 21 mi away | 24/7 | — |
| 10 | Drain Doctors Plumbing | 49 | 4.8★ (52) | San Luis Obispo, 19 mi away | — | — |
The 15 best septic service companies in Nipomo, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Guadalupe, 8 mi away
60/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Maria, 6 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.7★ from 12 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 18 mi away
56/100CR ScoreRanked #4 because of its Google rating and review volume: 4.6★ from 110 Google reviews, the most in Nipomo.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Maria, 8 mi away
55/100CR ScoreRanked #5 because of its Google rating and review volume: 4.4★ from 46 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Arroyo Grande, 16 mi away
55/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nipomo
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nipomo
52/100CR ScoreRanked #8 because of its Google rating and availability: 5.0★ from 4 Google reviews, open 24/7.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 21 mi away
50/100CR ScoreRanked #9 because of its Google rating and review volume: 4.1★ from 22 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in San Luis Obispo, 19 mi away
49/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 52 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Orcutt, 8 mi away
49/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Los Osos, 24 mi away
49/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Maria, 7 mi away
48/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Maria, 16 mi away
45/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 9 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Santa Maria, 6 mi away
45/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Concrete contractor”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Also serving Nipomo
8 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 | Google rating | Distance |
|---|---|---|
| Affordable Septic and Sewer | 8 mi | |
| Al's Septic Pumping Services | 7 mi | |
| Clay's Septic Services | 5.0★ (2) | 20 mi |
| RV Tank Clean | 11 mi | |
| Sims Septic Pumping and Repair | 5.0★ (1) | 11 mi |
| Valley Septic | 1.0★ (1) | 21 mi |
| Valley Septic | 8 mi | |
| Viola Construction Inc | 3.0★ (2) | 9 mi |
How we ranked Nipomo septic service companies
We scored 15 Nipomo 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 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 Nipomo 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 Nipomo: frequently asked questions
Who is the best septic service company in Nipomo?
By CR Score, the highest-ranked septic service company in Nipomo, CA is SLO septic pumping with a CR Score of 61/100. It has 5.0★ from 10 Google reviews. It is open 24/7. Clay's Septic & Jetting Inc (#2) and Clay's Septic & Jetting Inc (#3) follow. We ranked 15 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Nipomo?
ContractorsRanked ranks 15 septic service companies serving Nipomo, CA. 3 of them are based in Nipomo; the rest serve it from nearby towns. Another 8 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Nipomo are open 24/7?
7 ranked septic service companies in Nipomo post 24/7 hours. The highest-ranked are SLO septic pumping (#1), Clay's Septic & Jetting Inc (#2) and Clay's Septic & Jetting Inc (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Nipomo work on weekends?
9 of 15 ranked septic service companies post Saturday hours and 8 post Sunday hours. The highest-ranked open Saturdays are SLO septic pumping (#1), Clay's Septic & Jetting Inc (#2) and Clay's Septic & Jetting Inc (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Nipomo septic service companies have?
The median Google rating among 15 rated septic service companies in Nipomo is 4.8★, with a median of 9 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 110 reviews, and ranks #4. 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 Nipomo count in this ranking?
Yes, if they are within 25 mi of the Nipomo 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 Nipomo
- November 2026: CR Scores recalculated for 15 septic service companies serving Nipomo.
- November 2026: 1 duplicate listing merged.
More septic service companies and Nipomo pages
Septic service companies near Nipomo
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