61/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 321 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 Frederick, MD (2026)
34 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Frederick: Jet Septic and Plumbing Services, CR Score 61/100; 5.0★ from 321 Google reviews; open 24/7.
- 3
Best for emergencies (open 24/7): Countywide Septic Service, posts 24/7 hours; ranked #3 of 34.
- 2
Most-reviewed: King & Sons Septic Service, LLC, 887 Google reviews at 5.0★, the most of 34 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
34 Frederick septic service companies are ranked here by CR Score, from ten published factors. 15 are open 24/7, 20 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 4.8★ across 34 rated businesses.
Top 10 septic service companies in Frederick at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Jet Septic and Plumbing Services | 61 | 5.0★ (321) | Westminster, 22 mi away | 24/7 | Overall |
| 2 | King & Sons Septic Service, LLC | 59 | 5.0★ (887) | Gaithersburg, 18 mi away | — | Most reviews |
| 3 | Countywide Septic Service | 58 | 4.6★ (20) | Walkersville, 7 mi away | 24/7 | Emergencies |
| 4 | Frederick Septic | 57 | 4.4★ (45) | Frederick | Sat | — |
| 5 | Agape Drain & Plumbing LLC | 57 | 5.0★ (63) | Frederick | 24/7 | — |
| 6 | Tri-County Pump Service, Inc. | 56 | 5.0★ (53) | Frederick | 24/7 | — |
| 7 | Murphys Septic and Excavating | 55 | 5.0★ (16) | Frederick | Evenings | — |
| 8 | Fogle's Septic | 55 | 4.0★ (184) | Eldersburg, 23 mi away | 24/7 | — |
| 9 | J V Harrison Backhoe and Septic | 54 | 4.6★ (22) | Eldersburg, 22 mi away | 24/7 | — |
| 10 | Your 1 Plumber | 54 | 4.6★ (314) | Germantown, 18 mi away | 24/7 | — |
The 34 best septic service companies in Frederick, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Gaithersburg, 18 mi away
59/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 887 Google reviews, the most in Frederick.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Walkersville, 7 mi away
58/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick
57/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.4★ from 45 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick
57/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 63 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick
56/100CR ScoreRanked #6 because of its Google rating and review volume: 5.0★ from 53 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick
55/100CR ScoreRanked #7 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.
Based in Eldersburg, 23 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.0★ from 184 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eldersburg, 22 mi away
54/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
#10 Your 1 Plumber
Based in Germantown, 18 mi away
54/100CR ScoreRanked #10 because of its Google rating and review volume: 4.6★ from 314 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Damascus, 22 mi away
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 23 mi away
53/100CR ScoreRanked #12 because of its Google rating and review volume: 4.8★ from 220 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hanover, 19 mi away
52/100CR ScoreRanked #13 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 Columbia, 25 mi away
52/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.2★ from 16 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Frederick
51/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Potomac, 22 mi away
51/100CR ScoreRanked #16 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hagerstown, 21 mi away
51/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 47 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Damascus, 14 mi away
51/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eldersburg, 23 mi away
50/100CR ScoreRanked #19 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Eldersburg, 16 mi away
50/100CR ScoreRanked #20 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Leesburg, 23 mi away
49/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 290 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
#22 RT Services
Based in Halfway, 23 mi away
49/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 307 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Green Valley, 14 mi away
49/100CR ScoreRanked #23 because of its Google rating and review volume: 4.9★ from 51 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Germantown, 20 mi away
48/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.4★ 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 Westminster, 25 mi away
47/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.0★ from 6 Google reviews, listed on Google as “Septic system service”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
All 34 septic service companies
#1 to #25 are shown in full above. Here are #26 to #34, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Pinnacle Excavating, Inc | 47 | 4.5★ (19) | 24 mi |
| 27 | Solutions Plumbing Sewer & Drain Cleaning LLC | 46 | 5.0★ (23) | 22 mi |
| 28 | Benjamin Franklin Plumbing of Northern Virginia | 46 | 4.5★ (62) | 24 mi |
| 29 | Monticello Well Pump Services - Leesburg, VA | 45 | 5.0★ (4) | 23 mi |
| 30 | J.R. Services LLC | 44 | 4.9★ (17) | 24 mi |
| 31 | W.R.F. & Son Plumbing & Heating | 43 | 5.0★ (9) | 21 mi |
| 32 | Stang Plumbing & Heating | 43 | 4.5★ (33) | 22 mi |
| 33 | Hatfield's Equipment & Dedication Services, Inc. | 41 | 4.2★ (20) | 24 mi |
| 34 | BSP Plumbing | 37 | 2.8★ (470) | 25 mi |
Also serving Frederick
4 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 & G Septic Services | 15 mi | |
| Maryland sewer and drain pros | 14 mi | |
| Murray Underground Services | 5.0★ (1) | 6 mi |
| Top Tier Trenchless Sewer and Water Line Repair | 5.0★ (1) | 20 mi |
How we ranked Frederick septic service companies
We scored 34 Frederick 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 Frederick 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 Frederick: frequently asked questions
Who is the best septic service company in Frederick?
By CR Score, the highest-ranked septic service company in Frederick, MD is Jet Septic and Plumbing Services with a CR Score of 61/100. It has 5.0★ from 321 Google reviews. It is open 24/7. King & Sons Septic Service, LLC (#2) and Countywide Septic Service (#3) follow. We ranked 34 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Frederick?
ContractorsRanked ranks 34 septic service companies serving Frederick, MD. 5 of them are based in Frederick; the rest serve it from nearby towns. Another 4 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Frederick are open 24/7?
15 ranked septic service companies in Frederick post 24/7 hours. The highest-ranked are Jet Septic and Plumbing Services (#1), Countywide Septic Service (#3) and Agape Drain & Plumbing LLC (#5). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Frederick work on weekends?
20 of 34 ranked septic service companies post Saturday hours and 15 post Sunday hours. The highest-ranked open Saturdays are Jet Septic and Plumbing Services (#1), Countywide Septic Service (#3) and Frederick Septic (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Frederick septic service companies have?
The median Google rating among 34 rated septic service companies in Frederick is 4.8★, with a median of 23 reviews. King & Sons Septic Service, LLC has the most, 887 reviews, and ranks #2. 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 Frederick count in this ranking?
Yes, if they are within 25 mi of the Frederick 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 Frederick
- November 2026: CR Scores recalculated for 34 septic service companies serving Frederick.
More septic service companies and Frederick pages
Septic service companies near Frederick
- Septic service companies in Ballenger Creek, MD33 ranked
- Septic service companies in Green Valley, MD37 ranked
- Septic service companies in Clarksburg, MD35 ranked
- Septic service companies in Damascus, MD43 ranked
- Septic service companies in Germantown, MD40 ranked
- Septic service companies in Montgomery Village, MD45 ranked
- Septic service companies in Gaithersburg, MD50 ranked
- Septic service companies in Hagerstown, MD12 ranked
- Septic service companies in Halfway, MD12 ranked
- Septic service companies in Redland, MD54 ranked
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