65/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 104 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Santa Rosa, CA (2026)
42 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Santa Rosa: Brian's Septic Service, CR Score 65/100; 5.0★ from 104 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): AllStarz Pumping & Engineering, posts 24/7 hours; ranked #2 of 42.
- 3
Most-reviewed: Mr. Rooter Plumbing of Sonoma County, 923 Google reviews at 4.9★, the most of 42 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
42 Santa Rosa septic service companies are ranked here by CR Score, from ten published factors. 20 are open 24/7, 32 open Saturdays and 23 open Sundays, based on posted hours. The median Google rating is 5.0★ across 42 rated businesses.
Top 10 septic service companies in Santa Rosa at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Brian's Septic Service | 65 | 5.0★ (104) | Santa Rosa | 24/7 | Overall |
| 2 | AllStarz Pumping & Engineering | 64 | 4.7★ (127) | Santa Rosa | 24/7 | Emergencies |
| 3 | Mr. Rooter Plumbing of Sonoma County | 62 | 4.9★ (923) | Santa Rosa | 24/7 | Most reviews |
| 4 | Redwood Sewer & Drain Services | 61 | 5.0★ (163) | Larkfield-Wikiup, 1 mi away | 24/7 | — |
| 5 | Bob's underground septic | 61 | 5.0★ (14) | Santa Rosa | 24/7 | — |
| 6 | Northen Sewer & Drain | 61 | 5.0★ (13) | Santa Rosa | 24/7 | — |
| 7 | Superior Septic Pumping Service | 60 | 4.8★ (21) | Santa Rosa | Sat · Sun · Evenings | — |
| 8 | North Bay Restroom Co. | 59 | 5.0★ (24) | Windsor, 9 mi away | 24/7 | — |
| 9 | Just-in Time Septic Pumping | 59 | 5.0★ (103) | Santa Rosa | Sat · Sun · Evenings | — |
| 10 | Sonoma Landworks | 59 | 5.0★ (27) | Santa Rosa | Sat | — |
The 42 best septic service companies in Santa Rosa, 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 Santa Rosa
64/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.7★ from 127 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
62/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 923 Google reviews, the most in Santa Rosa.
Based in Larkfield-Wikiup, 1 mi away
61/100CR ScoreRanked #4 because of its Google rating and review volume: 5.0★ from 163 Google reviews.
Based in Santa Rosa
61/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 14 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
61/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
60/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.8★ from 21 Google reviews, listed on Google as “Septic system service”.
Based in Windsor, 9 mi away
59/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ from 24 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
59/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Plumber”.
#10 Sonoma Landworks
Based in Santa Rosa
59/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 27 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.2★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
58/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 22 Google reviews, listed on Google as “Plumber”.
Based in Santa Rosa
58/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 90 Google reviews.
Based in Santa Rosa
57/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 18 Google reviews, listed on Google as “Plumber”.
Based in Santa Rosa
57/100CR ScoreRanked #15 because of its Google rating and review volume: 5.0★ from 281 Google reviews.
Based in Sebastopol, 7 mi away
56/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based in Larkfield-Wikiup, 14 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 20 Google reviews, listed on Google as “Plumber”.
Based in Napa, 25 mi away
56/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 361 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
55/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.4★ from 20 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
55/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.5★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Santa Rosa
55/100CR ScoreRanked #23 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
#24 Septic genial
Based in Santa Rosa
55/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “General contractor”.
Based in Santa Rosa
55/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Septic system service”.
All 42 septic service companies
#1 to #25 are shown in full above. Here are #26 to #42, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Northen Sewer and Drain | 54 | 5.0★ (4) | 2 mi |
| 27 | Big Island Plumbing | 53 | 5.0★ (45) | 14 mi |
| 28 | Apes Plumbing Heating Sewer and Drain Services | 53 | 4.9★ (90) | 16 mi |
| 29 | Advanced Septic | 53 | 3.7★ (3) | In Santa Rosa |
| 30 | Carlos' Petaluma Septic Services | 52 | 4.4★ (7) | 12 mi |
| 31 | Rapid Rooter Sewer | 52 | 5.0★ (6) | 14 mi |
| 32 | Environmental Pump Services | 52 | 3.5★ (11) | 15 mi |
| 33 | Howie Excavating & Grading | 51 | 5.0★ (11) | In Santa Rosa |
| 34 | Just-in Time Plumbing and Heating | 50 | 4.8★ (23) | 15 mi |
| 35 | TODAY Septic Tank Pumping Healdsburg & Sewer Repair Service | 49 | 4.2★ (5) | 16 mi |
| 36 | Roy's Sewer Service | 48 | 3.6★ (15) | 7 mi |
| 37 | All Terrane Excavating Inc | 48 | 5.0★ (3) | 15 mi |
| 38 | SP Plumbing | 47 | 4.3★ (6) | In Santa Rosa |
| 39 | PJC & Associates, Inc. | 46 | 3.9★ (7) | 6 mi |
| 40 | C&C Contracting | 45 | 5.0★ (5) | 17 mi |
| 41 | Prushko Plumbing | 44 | 4.6★ (15) | 19 mi |
| 42 | Arolo Company Inc. Pump & Well | 42 | 2.6★ (17) | 15 mi |
Also serving Santa Rosa
20 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 |
|---|---|---|
| Accredited Septic | In Santa Rosa | |
| Dias & Sons Drainage | 5.0★ (3) | In Santa Rosa |
| Drew Underground Construction Inc | In Santa Rosa | |
| GAC Plumbing Company | 5.0★ (2) | 12 mi |
| GAC Plumbing Company (Rohnert Park) | 7 mi | |
| Jaw Excavation | 5.0★ (1) | In Santa Rosa |
| Mike Treinen-Onsite Wastewater | In Santa Rosa | |
| North Bay Restaurant Services | 4.9★ (182) | In Santa Rosa |
| North Bay Septic | 5.0★ (2) | In Santa Rosa |
| Northen Sewer & Drain | 5.0★ (1) | 8 mi |
| P&M Excavating, Inc. | In Santa Rosa | |
| Rapid Rooter Sewer-Drain Cleaning | 7 mi | |
| Roy's Sewer Services | 5.0★ (1) | 15 mi |
| Same Day Septic | In Santa Rosa | |
| Sanitary Solutions Corp | 5.0★ (1) | In Santa Rosa |
| Sequoia Septic Tank Service | 5.0★ (1) | In Santa Rosa |
| Sonoma County Septic | In Santa Rosa | |
| Trinity Oaks Septic Services | 5.0★ (1) | 17 mi |
| Vineyard Septic | 5.0★ (1) | 7 mi |
| West County Septic | In Santa Rosa |
How we ranked Santa Rosa septic service companies
We scored 42 Santa Rosa 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 Santa Rosa 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 Santa Rosa: frequently asked questions
Who is the best septic service company in Santa Rosa?
By CR Score, the highest-ranked septic service company in Santa Rosa, CA is Brian's Septic Service with a CR Score of 65/100. It has 5.0★ from 104 Google reviews. It is open 24/7. AllStarz Pumping & Engineering (#2) and Mr. Rooter Plumbing of Sonoma County (#3) follow. We ranked 42 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Santa Rosa?
ContractorsRanked ranks 42 septic service companies serving Santa Rosa, CA. 23 of them are based in Santa Rosa; the rest serve it from nearby towns. Another 20 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Santa Rosa are open 24/7?
20 ranked septic service companies in Santa Rosa post 24/7 hours. The highest-ranked are Brian's Septic Service (#1), AllStarz Pumping & Engineering (#2) and Mr. Rooter Plumbing of Sonoma County (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Santa Rosa work on weekends?
32 of 42 ranked septic service companies post Saturday hours and 23 post Sunday hours. The highest-ranked open Saturdays are Brian's Septic Service (#1), AllStarz Pumping & Engineering (#2) and Mr. Rooter Plumbing of Sonoma County (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Santa Rosa septic service companies have?
The median Google rating among 42 rated septic service companies in Santa Rosa is 5.0★, with a median of 15 reviews. Mr. Rooter Plumbing of Sonoma County has the most, 923 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 Santa Rosa count in this ranking?
Yes, if they are within 25 mi of the Santa Rosa 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 Santa Rosa
- November 2026: CR Scores recalculated for 42 septic service companies serving Santa Rosa.
More septic service companies and Santa Rosa pages
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