61/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 282 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 Middle River, MD (2026)
58 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Middle River: A-1 Septic, CR Score 61/100; 4.9★ from 282 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Chavis Septic Services, posts 24/7 hours; ranked #2 of 58.
- 4
Most-reviewed: Prime Plumbing, 2,323 Google reviews at 4.8★, the most of 58 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
58 Middle River septic service companies are ranked here by CR Score, from ten published factors. 23 are open 24/7, 33 open Saturdays and 27 open Sundays, based on posted hours. The median Google rating is 4.9★ across 58 rated businesses.
Top 10 septic service companies in Middle River at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A-1 Septic | 61 | 4.9★ (282) | Pasadena, 16 mi away | 24/7 | Overall |
| 2 | Chavis Septic Services | 61 | 4.9★ (321) | South Bel Air, 17 mi away | 24/7 | Emergencies |
| 3 | A & V Septic Services LLC | 60 | 4.9★ (210) | Pasadena, 17 mi away | 24/7 | — |
| 4 | Prime Plumbing | 58 | 4.8★ (2,323) | Glen Burnie, 15 mi away | 24/7 | Most reviews |
| 5 | John's Septic Service | 57 | 5.0★ (35) | Aberdeen, 16 mi away | 24/7 | — |
| 6 | Certified Property Inspection | 57 | 5.0★ (1,896) | Perry Hall, 5 mi away | Sat | — |
| 7 | Sewer Slayer | 56 | 5.0★ (157) | Arbutus, 16 mi away | 24/7 | — |
| 8 | All Nite Sewer & Drain Cleaning, LLC. | 56 | 4.6★ (60) | Rosedale, 5 mi away | 24/7 | — |
| 9 | Northern Way Septic pumping Services & porta potty rentals | 56 | 5.0★ (15) | South Bel Air, 9 mi away | 24/7 | — |
| 10 | Eagle and Son Septic | 56 | 5.0★ (17) | South Bel Air, 11 mi away | Sat · Sun · Evenings | — |
The 58 best septic service companies in Middle River, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in South Bel Air, 17 mi away
61/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.9★ from 321 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 17 mi away
60/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 210 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Glen Burnie, 15 mi away
58/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 2,323 Google reviews, the most in Middle River.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Aberdeen, 16 mi away
57/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Perry Hall, 5 mi away
57/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 1,896 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#7 Sewer Slayer
Based in Arbutus, 16 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosedale, 5 mi away
56/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 60 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Bel Air, 9 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ 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 South Bel Air, 11 mi away
56/100CR ScoreRanked #10 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 16 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 13 mi away
56/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.3★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#13 Mahon Plumbing
Based in Baltimore, 12 mi away
56/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 268 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 15 mi away
55/100CR ScoreRanked #14 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 Baltimore, 14 mi away
55/100CR ScoreRanked #15 because of its Google rating and review volume: 4.8★ from 1,366 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Rosedale, 4 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 14 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 7 mi away
55/100CR ScoreRanked #18 because of its Google rating and review volume: 4.9★ from 1,738 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Joppatowne, 7 mi away
54/100CR ScoreRanked #19 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
#20 Abend Services
Based in Baltimore, 13 mi away
54/100CR ScoreRanked #20 because of its Google rating and review volume: 4.8★ from 175 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Bel Air, 21 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in South Bel Air, 21 mi away
54/100CR ScoreRanked #22 because of its Google rating and trade focus: 4.9★ from 185 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#23 Howard Plumbing
Based in Annapolis, 24 mi away
53/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 521 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in White Marsh, 5 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.9★ from 11 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 2 mi away
53/100CR ScoreRanked #25 because of its Google rating and trade focus: 3.8★ from 22 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Septic service companies ranked #26 to #50
#1 to #25 are shown in full above. Here are #26 to #50, in CR Score order; each links to its profile. We publish the top 50 of 58 ranked septic service companies here; the rest are on their profiles.
Also serving Middle River
16 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 |
|---|---|---|
| A & D Septic Services | 15 mi | |
| Allen Plumber Sewer & Drain | 15 mi | |
| Baltimore | 22 mi | |
| Bel Air Septic Service | 5 mi | |
| Capital City Sewer Services Inc | 5.0★ (1) | 22 mi |
| Chesapeake Bay Septic Tank | 16 mi | |
| Constipated Drain Sewer | 3.0★ (1) | 5 mi |
| Dennis Bosley Services | 5.0★ (2) | 9 mi |
| Electric EEL Sewer & Drain Cleaning | 4 mi | |
| Maryland Septic Services | 19 mi | |
| MB Matthews Septic Service LLC | 5.0★ (1) | 15 mi |
| Parks Septic Sewer & Drain Inc | 5.0★ (1) | 22 mi |
| Pasadena Septic Service | 21 mi | |
| Severn Septic Service | 21 mi | |
| Shahan Enterprises Inc | 5.0★ (2) | 13 mi |
| Ultimate Septic & Construction | 14 mi |
How we ranked Middle River septic service companies
We scored 58 Middle River 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 Middle River 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 Middle River: frequently asked questions
Who is the best septic service company in Middle River?
By CR Score, the highest-ranked septic service company in Middle River, MD is A-1 Septic with a CR Score of 61/100. It has 4.9★ from 282 Google reviews. It is open 24/7. Chavis Septic Services (#2) and A & V Septic Services LLC (#3) follow. We ranked 58 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Middle River?
ContractorsRanked ranks 58 septic service companies serving Middle River, MD. Another 16 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Middle River are open 24/7?
23 ranked septic service companies in Middle River post 24/7 hours. The highest-ranked are A-1 Septic (#1), Chavis Septic Services (#2) and A & V Septic Services LLC (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Middle River work on weekends?
33 of 58 ranked septic service companies post Saturday hours and 27 post Sunday hours. The highest-ranked open Saturdays are A-1 Septic (#1), Chavis Septic Services (#2) and A & V Septic Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Middle River septic service companies have?
The median Google rating among 58 rated septic service companies in Middle River is 4.9★, with a median of 20 reviews. Prime Plumbing has the most, 2,323 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 Middle River count in this ranking?
Yes, if they are within 25 mi of the Middle River 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 Middle River
- November 2026: CR Scores recalculated for 58 septic service companies serving Middle River.
More septic service companies and Middle River pages
Septic service companies near Middle River
- Septic service companies in Rossville, MD58 ranked
- Septic service companies in Essex, MD61 ranked
- Septic service companies in Rosedale, MD61 ranked
- Septic service companies in Overlea, MD59 ranked
- Septic service companies in Perry Hall, MD53 ranked
- Septic service companies in Carney, MD61 ranked
- Septic service companies in Parkville, MD61 ranked
- Septic service companies in Dundalk, MD66 ranked
- Septic service companies in Joppatowne, MD36 ranked
- Septic service companies in Edgewood, MD37 ranked
Other trades in Middle River
- Roofers in Middle River774 ranked
- Plumbers in Middle River432 ranked
- Electricians in Middle River326 ranked
- HVAC contractors in Middle River543 ranked
- General contractors in Middle River701 ranked
- Painters in Middle River144 ranked
- Landscapers in Middle River207 ranked
- Handymen in Middle River80 ranked
- Kitchen remodelers in Middle River393 ranked
- Bathroom remodelers in Middle River396 ranked
- Flooring contractors in Middle River280 ranked
- Tile installers in Middle River53 ranked
- Drywall contractors in Middle River7 ranked
- Concrete contractors in Middle River192 ranked
- Fence contractors in Middle River76 ranked
- Deck builders in Middle River217 ranked
- Siding contractors in Middle River362 ranked
- Window installers in Middle River335 ranked
- Gutter installers in Middle River186 ranked
- Insulation contractors in Middle River57 ranked
- Solar installers in Middle River87 ranked
- Garage door repair companies in Middle River67 ranked
- Foundation repair companies in Middle River118 ranked
- Tree services in Middle River147 ranked
- Masonry contractors in Middle River134 ranked
- Water damage restoration companies in Middle River452 ranked
- Home builders in Middle River356 ranked
- Demolition contractors in Middle River91 ranked
- Window cleaners in Middle River39 ranked
- Pressure washing companies in Middle River98 ranked
- Pest control companies in Middle River148 ranked
- Paving contractors in Middle River103 ranked
- Auto glass repair shops in Middle River145 ranked
- Excavating contractors in Middle River75 ranked
- Pool builders in Middle River158 ranked
- All contractors in Middle River