62/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 321 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Green Valley, MD (2026)
37 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Green Valley: Jet Septic and Plumbing Services, CR Score 62/100; 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 37.
- 2
Most-reviewed: King & Sons Septic Service, LLC, 887 Google reviews at 5.0★, the most of 37 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
37 Green Valley septic service companies are ranked here by CR Score, from ten published factors. 14 are open 24/7, 20 open Saturdays and 15 open Sundays, based on posted hours. The median Google rating is 4.8★ across 37 rated businesses.
Top 10 septic service companies in Green Valley at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Jet Septic and Plumbing Services | 62 | 5.0★ (321) | Westminster, 19 mi away | 24/7 | Overall |
| 2 | King & Sons Septic Service, LLC | 61 | 5.0★ (887) | Gaithersburg, 9 mi away | — | Most reviews |
| 3 | Countywide Septic Service | 57 | 4.6★ (20) | Walkersville, 14 mi away | 24/7 | Emergencies |
| 4 | Fogle's Septic | 56 | 4.0★ (184) | Eldersburg, 18 mi away | 24/7 | — |
| 5 | Your 1 Plumber | 56 | 4.6★ (314) | Germantown, 10 mi away | 24/7 | — |
| 6 | J V Harrison Backhoe and Septic | 56 | 4.6★ (22) | Eldersburg, 18 mi away | 24/7 | — |
| 7 | Environmental Septic | 56 | 4.9★ (98) | Damascus, 12 mi away | — | — |
| 8 | Five Star Septic Inc. | 55 | 4.2★ (136) | Sterling, 24 mi away | 24/7 | — |
| 9 | Murphys Septic and Excavating | 55 | 5.0★ (16) | Frederick, 3 mi away | Evenings | — |
| 10 | Fyock Septic Services | 55 | 4.2★ (16) | Columbia, 17 mi away | 24/7 | — |
The 37 best septic service companies in Green Valley, 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 Gaithersburg, 9 mi away
61/100CR ScoreRanked #2 because of its Google rating and review volume: 5.0★ from 887 Google reviews, the most in Green Valley.
Based in Walkersville, 14 mi away
57/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.6★ from 20 Google reviews, listed on Google as “Septic system service”.
Based in Eldersburg, 18 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.0★ from 184 Google reviews, listed on Google as “Septic system service”.
Based in Germantown, 10 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 4.6★ from 314 Google reviews.
Based in Eldersburg, 18 mi away
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Septic system service”.
Based in Damascus, 12 mi away
56/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.9★ from 98 Google reviews, listed on Google as “Septic system service”.
Based in Sterling, 24 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.2★ from 136 Google reviews, listed on Google as “Septic system service”.
Based in Frederick, 3 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in Columbia, 17 mi away
55/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.2★ from 16 Google reviews, listed on Google as “Septic system service”.
Based in North Potomac, 14 mi away
55/100CR ScoreRanked #11 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Septic system service”.
Based in Frederick, 10 mi away
54/100CR ScoreRanked #12 because of its Google rating and review volume: 5.0★ from 53 Google reviews.
Based in Damascus, 5 mi away
54/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.6★ from 10 Google reviews, listed on Google as “Plumber”.
#14 Frederick Septic
Based in Frederick, 16 mi away
54/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.4★ from 45 Google reviews, listed on Google as “Septic system service”.
Based in Green Valley
53/100CR ScoreRanked #15 because of its Google rating and review volume: 4.9★ from 51 Google reviews.
Based in Eldersburg, 18 mi away
53/100CR ScoreRanked #16 because of its Google rating and trade focus: 3.7★ from 3 Google reviews, listed on Google as “Septic system service”.
Based in Hanover, 24 mi away
52/100CR ScoreRanked #17 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Septic system service”.
Based in Eldersburg, 12 mi away
52/100CR ScoreRanked #18 because of its Google rating and trade focus: 5.0★ from 13 Google reviews, listed on Google as “Septic system service”.
Based in Baltimore, 22 mi away
52/100CR ScoreRanked #19 because of its Google rating and trade focus: 4.6★ from 93 Google reviews, listed on Google as “Septic system service”.
Based in Germantown, 11 mi away
52/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Septic system service”.
#21 Rooter-Man
Based in Silver Spring, 19 mi away
51/100CR ScoreRanked #21 because of its Google rating and review volume: 5.0★ from 63 Google reviews.
Based in Leesburg, 20 mi away
50/100CR ScoreRanked #22 because of its Google rating and review volume: 5.0★ from 290 Google reviews.
Based in Ashton-Sandy Spring, 19 mi away
50/100CR ScoreRanked #23 because of its Google rating and review volume: 4.8★ from 464 Google reviews.
Based in Bel Air North, 15 mi away
50/100CR ScoreRanked #24 because of its Google rating and availability: 4.5★ from 19 Google reviews, open 24/7.
Based in Leesburg, 24 mi away
50/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.8★ from 24 Google reviews, listed on Google as “Septic system service”.
All 37 septic service companies
#1 to #25 are shown in full above. Here are #26 to #37, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Beltway Sewer & Plumbing Services | 50 | 4.8★ (45) | 22 mi |
| 27 | Solutions Plumbing Sewer & Drain Cleaning LLC | 50 | 5.0★ (23) | 13 mi |
| 28 | A Roy Fringer & Son | 49 | 5.0★ (10) | 23 mi |
| 29 | Burns Septic Tank & Line Cleaning | 49 | 4.0★ (6) | 24 mi |
| 30 | Old Line Septic LLC | 48 | 5.0★ (3) | 19 mi |
| 31 | Benjamin Franklin Plumbing of Northern Virginia | 47 | 4.5★ (62) | 20 mi |
| 32 | Monticello Well Pump Services - Leesburg, VA | 47 | 5.0★ (4) | 19 mi |
| 33 | United drain & sewer services LLC | 47 | 5.0★ (4) | 17 mi |
| 34 | Stang Plumbing & Heating | 46 | 4.5★ (33) | 12 mi |
| 35 | Hatfield's Equipment & Dedication Services, Inc. | 44 | 4.2★ (20) | 17 mi |
| 36 | W.R.F. & Son Plumbing & Heating | 43 | 5.0★ (9) | 25 mi |
| 37 | Oak Hill Construction | 43 | 5.0★ (10) | 21 mi |
Also serving Green Valley
9 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 | 23 mi | |
| AITS Septic Repair Services | 24 mi | |
| King & Sons Inc LLC | 1.0★ (1) | 18 mi |
| Maryland sewer and drain pros | 5 mi | |
| Murray Underground Services | 5.0★ (1) | 5 mi |
| Nova Liquid Enviornmental | 24 mi | |
| Plumbing - Clogged Drains & Sewer Pipes | 5.0★ (1) | 19 mi |
| Rocket Rooter Plumbing | 3.0★ (2) | 17 mi |
| Top Tier Trenchless Sewer and Water Line Repair | 5.0★ (1) | 11 mi |
How we ranked Green Valley septic service companies
We scored 37 Green Valley 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 Green Valley 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 Green Valley: frequently asked questions
Who is the best septic service company in Green Valley?
By CR Score, the highest-ranked septic service company in Green Valley, MD is Jet Septic and Plumbing Services with a CR Score of 62/100. 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 37 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Green Valley?
ContractorsRanked ranks 37 septic service companies serving Green Valley, MD. 1 of them is based in Green Valley; the rest serve it from nearby towns. Another 9 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in Green Valley are open 24/7?
14 ranked septic service companies in Green Valley post 24/7 hours. The highest-ranked are Jet Septic and Plumbing Services (#1), Countywide Septic Service (#3) and Fogle's Septic (#4). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Green Valley work on weekends?
20 of 37 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 Fogle's Septic (#4). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Green Valley septic service companies have?
The median Google rating among 37 rated septic service companies in Green Valley is 4.8★, with a median of 22 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 Green Valley count in this ranking?
Yes, if they are within 25 mi of the Green Valley 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 Green Valley
- November 2026: CR Scores recalculated for 37 septic service companies serving Green Valley.
- November 2026: 1 duplicate listing merged.
More septic service companies and Green Valley pages
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