59/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 103 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in East Riverdale, MD (2026)
73 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in East Riverdale: Shilling septic, CR Score 59/100; 5.0★ from 103 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): RS Plumbing LLC, posts 24/7 hours; ranked #2 of 73.
- 10
Most-reviewed: Prime Plumbing, 2,323 Google reviews at 4.8★, the most of 73 ranked; ranked #10.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
73 East Riverdale septic service companies are ranked here by CR Score, from ten published factors. 29 are open 24/7, 48 open Saturdays and 34 open Sundays, based on posted hours. The median Google rating is 4.9★ across 73 rated businesses.
Top 10 septic service companies in East Riverdale at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Shilling septic | 59 | 5.0★ (103) | Baltimore, 18 mi away | 24/7 | Overall |
| 2 | RS Plumbing LLC | 59 | 5.0★ (51) | Davidsonville, 13 mi away | 24/7 | Emergencies |
| 3 | A & V Septic Services LLC | 59 | 4.9★ (210) | Pasadena, 22 mi away | 24/7 | — |
| 4 | A-1 Septic | 58 | 4.9★ (282) | Pasadena, 25 mi away | 24/7 | — |
| 5 | The Drain Fighter - Jetting & Drain Cleaning | 58 | 4.9★ (484) | Washington, D.C., 4 mi away | 24/7 | — |
| 6 | B & P Environmental, A Wind River Company | 57 | 5.0★ (19) | Crofton, 12 mi away | 24/7 | — |
| 7 | Sunrise Septic Service | 57 | 5.0★ (79) | Landover, 23 mi away | 24/7 | — |
| 8 | District Capital Services LLC | 57 | 4.9★ (269) | Washington, D.C., 7 mi away | 24/7 | — |
| 9 | King & Sons Septic Service, LLC | 56 | 5.0★ (887) | Gaithersburg, 23 mi away | — | — |
| 10 | Prime Plumbing | 56 | 4.8★ (2,323) | Glen Burnie, 22 mi away | 24/7 | Most reviews |
The 73 best septic service companies in East Riverdale, 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 Davidsonville, 13 mi away
59/100CR ScoreRanked #2 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Septic system service”.
Based in Pasadena, 22 mi away
59/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.9★ from 210 Google reviews, listed on Google as “Septic system service”.
#4 A-1 Septic
Based in Pasadena, 25 mi away
58/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 282 Google reviews, listed on Google as “Septic system service”.
Based in Washington, D.C., 4 mi away
58/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 484 Google reviews.
Based in Crofton, 12 mi away
57/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 19 Google reviews, listed on Google as “Septic system service”.
Based in Landover, 23 mi away
57/100CR ScoreRanked #7 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Septic system service”.
Based in Washington, D.C., 7 mi away
57/100CR ScoreRanked #8 because of its Google rating and review volume: 4.9★ from 269 Google reviews.
Based in Gaithersburg, 23 mi away
56/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 887 Google reviews, listed on Google as “Septic system service”.
#10 Prime Plumbing
Based in Glen Burnie, 22 mi away
56/100CR ScoreRanked #10 because of its Google rating and review volume: 4.8★ from 2,323 Google reviews, the most in East Riverdale.
Based in Waldorf, 19 mi away
56/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 109 Google reviews, listed on Google as “Septic system service”.
Based in Springfield, 22 mi away
55/100CR ScoreRanked #12 because of its Google rating and trade focus: 5.0★ from 181 Google reviews, listed on Google as “Plumber”.
Based in Arlington, 13 mi away
55/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.8★ from 80 Google reviews, listed on Google as “Plumber”.
#14 Sewer Slayer
Based in Arbutus, 21 mi away
55/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 157 Google reviews, listed on Google as “Plumber”.
Based in Bowie, 8 mi away
55/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 31 Google reviews, listed on Google as “Plumber”.
Based in Alexandria, 13 mi away
55/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 41 Google reviews, listed on Google as “Plumber”.
#17 Shilling Septic
Based in Lake Shore, 20 mi away
55/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.6★ from 19 Google reviews, listed on Google as “Septic system service”.
Based in Arnold, 15 mi away
54/100CR ScoreRanked #18 because of its Google rating and review volume: 5.0★ from 163 Google reviews.
#19 Howard Plumbing
Based in Annapolis, 21 mi away
54/100CR ScoreRanked #19 because of its Google rating and review volume: 4.9★ from 521 Google reviews.
Based in Pasadena, 24 mi away
54/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Columbia, 21 mi away
54/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.2★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in Alexandria, 12 mi away
53/100CR ScoreRanked #22 because of its Google rating and review volume: 4.7★ from 159 Google reviews.
#23 B.L. James & Son
Based in Arlington, 10 mi away
53/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 383 Google reviews.
Based in Annapolis, 6 mi away
53/100CR ScoreRanked #24 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Baltimore, 24 mi away
53/100CR ScoreRanked #25 because of its Google rating and review volume: 4.8★ from 1,366 Google reviews.
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 73 ranked septic service companies here; the rest are on their profiles.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Environmental Septic | 53 | 4.9★ (98) | 20 mi |
| 27 | Robert F Beall & Sons Inc | 53 | 4.4★ (43) | 18 mi |
| 28 | United Site Services | 53 | 3.8★ (4) | 6 mi |
| 29 | Leigh & Sons Liquid Waste Removal | 53 | 5.0★ (4) | 21 mi |
| 30 | Abend Services | 52 | 4.9★ (146) | 22 mi |
| 31 | Rooter-Man | 52 | 5.0★ (63) | 13 mi |
| 32 | MCS Pumping | 51 | 5.0★ (8) | 24 mi |
| 33 | Abend Services | 51 | 4.8★ (175) | 24 mi |
| 34 | Sams Creek | 51 | 4.9★ (41) | 20 mi |
| 35 | Your 1 Plumber | 51 | 4.6★ (314) | 24 mi |
| 36 | AJ McDonald Company | 51 | 5.0★ (109) | 19 mi |
| 37 | Scardina Home Services | 51 | 4.5★ (473) | 19 mi |
| 38 | Freestate Septic | 51 | 4.5★ (22) | 15 mi |
| 39 | c6 Environmental | 51 | 5.0★ (8) | 20 mi |
| 40 | Castro Home Services Inc | 50 | 4.7★ (63) | 20 mi |
| 41 | Bayly's Septic Tank Cleaning | 50 | 5.0★ (16) | 20 mi |
| 42 | Shipley Plumbing Heating Cooling | 50 | 4.8★ (464) | 14 mi |
| 43 | Marines Service Co. | 50 | 4.8★ (464) | 22 mi |
| 44 | Globe Sanitation | 50 | 5.0★ (14) | 19 mi |
| 45 | Ruth Plumbing, Heating & Cooling | 50 | 4.5★ (53) | 5 mi |
| 46 | East Coast Sewer Solutions | 50 | 5.0★ (6) | 6 mi |
| 47 | Annapolis Septic Service | 50 | 5.0★ (21) | 23 mi |
| 48 | Hunter Drainfield Design | 50 | 4.8★ (24) | 23 mi |
| 49 | Priority Plumbing & Drain | 49 | 4.9★ (308) | 23 mi |
| 50 | Billing's Outback Septic Service | 49 | 4.5★ (18) | 21 mi |
Also serving East Riverdale
19 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 |
|---|---|---|
| Accurate Environmental Services | 11 mi | |
| Adams-Liming Septic Tank Services | 17 mi | |
| AITS Septic Repair Services | 25 mi | |
| B&C Sewer and Drains Inc | 10 mi | |
| Beetle Bayly Services | 1.0★ (1) | 18 mi |
| Clinton Sewer Expert, Inc. | 2 mi | |
| J & L Plumbing | 5.0★ (2) | 18 mi |
| King & Sons Inc LLC | 1.0★ (1) | 14 mi |
| Lee's Septic Tank Services | 10 mi | |
| MB Matthews Septic Service LLC | 5.0★ (1) | 22 mi |
| Pasadena Septic Service | 20 mi | |
| Plumbing - Clogged Drains & Sewer Pipes | 5.0★ (1) | 13 mi |
| Rei Drayco | 3.0★ (1) | 9 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 17 mi |
| Septic Locator | 12 mi | |
| Severn Septic Service | 15 mi | |
| Top Tier Trenchless Sewer and Water Line Repair | 5.0★ (1) | 22 mi |
| Ultimate Septic & Construction | 24 mi | |
| Virginia Septic | 5.0★ (2) | 23 mi |
How we ranked East Riverdale septic service companies
We scored 73 East Riverdale 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 East Riverdale 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 East Riverdale: frequently asked questions
Who is the best septic service company in East Riverdale?
By CR Score, the highest-ranked septic service company in East Riverdale, MD is Shilling septic with a CR Score of 59/100. It has 5.0★ from 103 Google reviews. It is open 24/7. RS Plumbing LLC (#2) and A & V Septic Services LLC (#3) follow. We ranked 73 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in East Riverdale?
ContractorsRanked ranks 73 septic service companies serving East Riverdale, MD. Another 19 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in East Riverdale are open 24/7?
29 ranked septic service companies in East Riverdale post 24/7 hours. The highest-ranked are Shilling septic (#1), RS Plumbing LLC (#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 East Riverdale work on weekends?
48 of 73 ranked septic service companies post Saturday hours and 34 post Sunday hours. The highest-ranked open Saturdays are Shilling septic (#1), RS Plumbing LLC (#2) and A & V Septic Services LLC (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do East Riverdale septic service companies have?
The median Google rating among 73 rated septic service companies in East Riverdale is 4.9★, with a median of 33 reviews. Prime Plumbing has the most, 2,323 reviews, and ranks #10. 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 East Riverdale count in this ranking?
Yes, if they are within 25 mi of the East Riverdale 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 East Riverdale
- November 2026: CR Scores recalculated for 73 septic service companies serving East Riverdale.
- November 2026: 1 duplicate listing merged.
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