66/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 98 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 Morro Bay, CA (2026)
13 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Morro Bay: North County Septic Service Inc., CR Score 66/100; 5.0★ from 98 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Roto-Rooter Plumbing & Water Cleanup, posts 24/7 hours; ranked #3 of 13.
- 3
Most-reviewed: Roto-Rooter Plumbing & Water Cleanup, 110 Google reviews at 4.6★, the most of 13 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
13 Morro Bay septic service companies are ranked here by CR Score, from ten published factors. 4 are open 24/7, 5 open Saturdays and 4 open Sundays, based on posted hours. The median Google rating is 4.8★ across 13 rated businesses.
Most of this list also appears on the Septic service companies in Paso Robles ranking. See Septic service companies in Paso Robles
Top 10 septic service companies in Morro Bay at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | North County Septic Service Inc. | 66 | 5.0★ (98) | Paso Robles, 6 mi away | 24/7 | Overall |
| 2 | On Site Plumbing & Septic | 57 | 4.8★ (19) | Atascadero, 4 mi away | Evenings | — |
| 3 | Roto-Rooter Plumbing & Water Cleanup | 57 | 4.6★ (110) | San Luis Obispo, 13 mi away | 24/7 | Emergencies, Most reviews |
| 4 | Ingram & Greene Sanitation | 56 | 5.0★ (24) | Atascadero, 13 mi away | — | — |
| 5 | Sewer Oscopy West LLC | 56 | 5.0★ (55) | Atascadero, 15 mi away | Sat | — |
| 6 | Precision Septic, Inc. | 54 | 4.7★ (15) | Atascadero, 13 mi away | — | — |
| 7 | Al's Septic Pumping Services | 53 | 5.0★ (7) | Los Osos, 9 mi away | — | — |
| 8 | Alliance Septic Service | 52 | 4.8★ (22) | Paso Robles, 23 mi away | — | — |
| 9 | Drain Doctors Plumbing | 51 | 4.8★ (52) | San Luis Obispo, 12 mi away | — | — |
| 10 | Roto-Rooter Plumbing & Water Cleanup | 50 | 4.1★ (22) | San Luis Obispo, 22 mi away | 24/7 | — |
The 13 best septic service companies in Morro Bay, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Atascadero, 4 mi away
57/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 19 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, 13 mi away
57/100CR ScoreRanked #3 because of its Google rating and review volume: 4.6★ from 110 Google reviews, the most in Morro Bay.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Atascadero, 13 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Atascadero, 15 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 55 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Atascadero, 13 mi away
54/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Los Osos, 9 mi away
53/100CR ScoreRanked #7 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 Paso Robles, 23 mi away
52/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.8★ from 22 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, 12 mi away
51/100CR ScoreRanked #9 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 San Luis Obispo, 22 mi away
50/100CR ScoreRanked #10 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 Paso Robles, 22 mi away
49/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Nipomo, 23 mi away
47/100CR ScoreRanked #12 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 Paso Robles, 21 mi away
46/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
How we ranked Morro Bay septic service companies
We scored 13 Morro Bay 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 Morro Bay 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 Morro Bay: frequently asked questions
Who is the best septic service company in Morro Bay?
By CR Score, the highest-ranked septic service company in Morro Bay, CA is North County Septic Service Inc. with a CR Score of 66/100. It has 5.0★ from 98 Google reviews. It is open 24/7. On Site Plumbing & Septic (#2) and Roto-Rooter Plumbing & Water Cleanup (#3) follow. We ranked 13 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Morro Bay?
ContractorsRanked ranks 13 septic service companies serving Morro Bay, CA. Counts are as of November 2026.
Which septic service companies in Morro Bay are open 24/7?
4 ranked septic service companies in Morro Bay post 24/7 hours. The highest-ranked are North County Septic Service Inc. (#1), Roto-Rooter Plumbing & Water Cleanup (#3) and Roto-Rooter Plumbing & Water Cleanup (#10). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Morro Bay work on weekends?
5 of 13 ranked septic service companies post Saturday hours and 4 post Sunday hours. The highest-ranked open Saturdays are North County Septic Service Inc. (#1), Roto-Rooter Plumbing & Water Cleanup (#3) and Sewer Oscopy West LLC (#5). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Morro Bay septic service companies have?
The median Google rating among 13 rated septic service companies in Morro Bay is 4.8★, with a median of 22 reviews. Roto-Rooter Plumbing & Water Cleanup has the most, 110 reviews, and ranks #3. 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 Morro Bay count in this ranking?
Yes, if they are within 25 mi of the Morro Bay 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 Morro Bay
- November 2026: CR Scores recalculated for 13 septic service companies serving Morro Bay.
More septic service companies and Morro Bay pages
Septic service companies near Morro Bay
- Septic service companies in Los Osos, CA11 ranked
- Septic service companies in San Luis Obispo, CA16 ranked
- Septic service companies in Atascadero, CA13 ranked
- Septic service companies in Paso Robles, CA11 ranked
- Septic service companies in Grover Beach, CA15 ranked
- Septic service companies in Arroyo Grande, CA17 ranked
- Septic service companies in Nipomo, CA15 ranked
- Septic service companies in Santa Maria, CA14 ranked
- Septic service companies in Orcutt, CA14 ranked
- Septic service companies in Lompoc, CA10 ranked
Other trades in Morro Bay
- Roofers in Morro Bay44 ranked
- Plumbers in Morro Bay91 ranked
- Electricians in Morro Bay75 ranked
- HVAC contractors in Morro Bay49 ranked
- General contractors in Morro Bay99 ranked
- Painters in Morro Bay30 ranked
- Landscapers in Morro Bay43 ranked
- Handymen in Morro Bay23 ranked
- Kitchen remodelers in Morro Bay34 ranked
- Bathroom remodelers in Morro Bay30 ranked
- Flooring contractors in Morro Bay34 ranked
- Tile installers in Morro Bay12 ranked
- Drywall contractors in Morro Bay7 ranked
- Concrete contractors in Morro Bay49 ranked
- Fence contractors in Morro Bay22 ranked
- Deck builders in Morro Bay17 ranked
- Siding contractors in Morro Bay7 ranked
- Window installers in Morro Bay19 ranked
- Gutter installers in Morro Bay14 ranked
- Solar installers in Morro Bay31 ranked
- Garage door repair companies in Morro Bay6 ranked
- Foundation repair companies in Morro Bay6 ranked
- Tree services in Morro Bay38 ranked
- Masonry contractors in Morro Bay18 ranked
- Water damage restoration companies in Morro Bay49 ranked
- Home builders in Morro Bay34 ranked
- Demolition contractors in Morro Bay5 ranked
- Window cleaners in Morro Bay7 ranked
- Pressure washing companies in Morro Bay11 ranked
- Pest control companies in Morro Bay5 ranked
- Paving contractors in Morro Bay20 ranked
- Auto glass repair shops in Morro Bay15 ranked
- Excavating contractors in Morro Bay19 ranked
- Pool builders in Morro Bay18 ranked
- All contractors in Morro Bay