64/100CR 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 Severna Park, MD (2026)
61 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Severna Park: A-1 Septic, CR Score 64/100; 4.9★ from 282 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): A & V Septic Services LLC, posts 24/7 hours; ranked #2 of 61.
- 4
Most-reviewed: Prime Plumbing, 2,323 Google reviews at 4.8★, the most of 61 ranked; ranked #4.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
61 Severna Park septic service companies are ranked here by CR Score, from ten published factors. 26 are open 24/7, 40 open Saturdays and 30 open Sundays, based on posted hours. The median Google rating is 4.9★ across 61 rated businesses.
Top 10 septic service companies in Severna Park at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | A-1 Septic | 64 | 4.9★ (282) | Pasadena, 4 mi away | 24/7 | Overall |
| 2 | A & V Septic Services LLC | 64 | 4.9★ (210) | Pasadena, 2 mi away | 24/7 | Emergencies |
| 3 | Shilling septic | 62 | 5.0★ (103) | Baltimore, 7 mi away | 24/7 | — |
| 4 | Prime Plumbing | 60 | 4.8★ (2,323) | Glen Burnie, 7 mi away | 24/7 | Most reviews |
| 5 | RS Plumbing LLC | 60 | 5.0★ (51) | Davidsonville, 11 mi away | 24/7 | — |
| 6 | Tidewater Septic Service LLC | 59 | 5.0★ (76) | Stevensville, 14 mi away | 24/7 | — |
| 7 | Arundel Septic Services LLC | 59 | 5.0★ (13) | Pasadena, 4 mi away | 24/7 | — |
| 8 | B & P Environmental, A Wind River Company | 58 | 5.0★ (19) | Crofton, 9 mi away | 24/7 | — |
| 9 | Howard Plumbing | 58 | 4.9★ (521) | Annapolis, 6 mi away | 24/7 | — |
| 10 | Beltway Septic Cleaning | 58 | 4.7★ (12) | Pasadena, 5 mi away | 24/7 | — |
The 61 best septic service companies in Severna Park, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Pasadena, 2 mi away
64/100CR ScoreRanked #2 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 Baltimore, 7 mi away
62/100CR ScoreRanked #3 because of its Google rating and trade focus: 5.0★ from 103 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, 7 mi away
60/100CR ScoreRanked #4 because of its Google rating and review volume: 4.8★ from 2,323 Google reviews, the most in Severna Park.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Davidsonville, 11 mi away
60/100CR ScoreRanked #5 because of its Google rating and trade focus: 5.0★ from 51 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Stevensville, 14 mi away
59/100CR ScoreRanked #6 because of its Google rating and trade focus: 5.0★ from 76 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 4 mi away
59/100CR ScoreRanked #7 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 Crofton, 9 mi away
58/100CR ScoreRanked #8 because of its Google rating and trade focus: 5.0★ 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 Annapolis, 6 mi away
58/100CR ScoreRanked #9 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 Pasadena, 5 mi away
58/100CR ScoreRanked #10 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 Landover, 21 mi away
58/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 79 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 6 mi away
57/100CR 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 Abend Services
Based in Severna Park
57/100CR ScoreRanked #13 because of its Google rating and review volume: 4.9★ from 146 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#14 Sewer Slayer
Based in Arbutus, 13 mi away
57/100CR ScoreRanked #14 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 Pasadena, 5 mi away
57/100CR ScoreRanked #15 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.
#16 Mahon Plumbing
Based in Baltimore, 9 mi away
56/100CR ScoreRanked #16 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 Glen Burnie, 5 mi away
56/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.4★ from 43 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Pasadena, 5 mi away
56/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.7★ from 18 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Arnold, 10 mi away
56/100CR ScoreRanked #19 because of its Google rating and review volume: 5.0★ from 163 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Baltimore, 14 mi away
55/100CR ScoreRanked #20 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 Glen Burnie, 2 mi away
55/100CR ScoreRanked #21 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 Abend Services
Based in Baltimore, 11 mi away
55/100CR ScoreRanked #22 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 Pasadena, 4 mi away
54/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 308 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Fort Meade, 6 mi away
54/100CR ScoreRanked #24 because of its Google rating and review volume: 4.5★ from 473 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Pasadena, 6 mi away
54/100CR ScoreRanked #25 because of its Google rating and review volume: 4.9★ from 239 Google reviews.
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 61 ranked septic service companies here; the rest are on their profiles.
Also serving Severna Park
12 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 | |
| Beetle Bayly Services | 1.0★ (1) | 7 mi |
| Bel Air Septic Service | 24 mi | |
| Capital City Sewer Services Inc | 5.0★ (1) | 6 mi |
| Clinton Sewer Expert, Inc. | 22 mi | |
| Constipated Drain Sewer | 3.0★ (1) | 16 mi |
| Electric EEL Sewer & Drain Cleaning | 23 mi | |
| MB Matthews Septic Service LLC | 5.0★ (1) | 5 mi |
| Pasadena Septic Service | 2 mi | |
| Rei Drayco | 3.0★ (1) | 24 mi |
| Severn Septic Service | 11 mi | |
| Ultimate Septic & Construction | 6 mi |
How we ranked Severna Park septic service companies
We scored 61 Severna Park 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 Severna Park 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 Severna Park: frequently asked questions
Who is the best septic service company in Severna Park?
By CR Score, the highest-ranked septic service company in Severna Park, MD is A-1 Septic with a CR Score of 64/100. It has 4.9★ from 282 Google reviews. It is open 24/7. A & V Septic Services LLC (#2) and Shilling septic (#3) follow. We ranked 61 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Severna Park?
ContractorsRanked ranks 61 septic service companies serving Severna Park, MD. 3 of them are based in Severna Park; the rest serve it from nearby towns. Another 12 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Severna Park are open 24/7?
26 ranked septic service companies in Severna Park post 24/7 hours. The highest-ranked are A-1 Septic (#1), A & V Septic Services LLC (#2) and Shilling septic (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Severna Park work on weekends?
40 of 61 ranked septic service companies post Saturday hours and 30 post Sunday hours. The highest-ranked open Saturdays are A-1 Septic (#1), A & V Septic Services LLC (#2) and Shilling septic (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Severna Park septic service companies have?
The median Google rating among 61 rated septic service companies in Severna Park is 4.9★, with a median of 22 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 Severna Park count in this ranking?
Yes, if they are within 25 mi of the Severna Park 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 Severna Park
- November 2026: CR Scores recalculated for 61 septic service companies serving Severna Park.
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