62/100CR Score
Ranked #1 because of its Google rating and trade focus: 4.9★ from 66 Google reviews, listed on Google as “Septic system service”.
Best Septic Service Companies in Winchester, VA (2026)
16 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Winchester: Johnny Blue Inc., CR Score 62/100; 4.9★ from 66 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): Powell's Plumbing & Air, posts 24/7 hours; ranked #2 of 16.
- 2
Most-reviewed: Powell's Plumbing & Air, 1,265 Google reviews at 4.8★, the most of 16 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
16 Winchester septic service companies are ranked here by CR Score, from ten published factors. 8 are open 24/7, 10 open Saturdays and 9 open Sundays, based on posted hours. The median Google rating is 4.8★ across 16 rated businesses.
Top 10 septic service companies in Winchester at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Johnny Blue Inc. | 62 | 4.9★ (66) | Winchester | 24/7 | Overall |
| 2 | Powell's Plumbing & Air | 61 | 4.8★ (1,265) | Winchester | 24/7 | Emergencies, Most reviews |
| 3 | Mr. Rooter Plumbing of the Shenandoah Valley | 57 | 4.9★ (986) | Front Royal, 18 mi away | 24/7 | — |
| 4 | Loudoun Environmental Treatment | 56 | 4.6★ (147) | Purcellville, 25 mi away | 24/7 | — |
| 5 | The Plumbing Trust | 56 | 4.9★ (491) | Martinsburg, 16 mi away | 24/7 | — |
| 6 | Green's Septic Service | 56 | 4.9★ (35) | Winchester | — | — |
| 7 | Great Falls Septic Service | 55 | 4.3★ (86) | Winchester | — | — |
| 8 | BBS Septic & Environmental Service | 55 | 4.3★ (48) | Front Royal, 19 mi away | 24/7 | — |
| 9 | Mr. Septic Corp | 55 | 4.8★ (35) | Ashburn, 23 mi away | 24/7 | — |
| 10 | 1st Plumber Winchester | 53 | 4.9★ (43) | Winchester | Sat · Sun · Evenings | — |
The 16 best septic service companies in Winchester, 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 Winchester
61/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 1,265 Google reviews, the most in Winchester.
Based in Front Royal, 18 mi away
57/100CR ScoreRanked #3 because of its Google rating and review volume: 4.9★ from 986 Google reviews.
Based in Purcellville, 25 mi away
56/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.6★ from 147 Google reviews, listed on Google as “Septic system service”.
Based in Martinsburg, 16 mi away
56/100CR ScoreRanked #5 because of its Google rating and review volume: 4.9★ from 491 Google reviews.
Based in Winchester
56/100CR ScoreRanked #6 because of its Google rating and trade focus: 4.9★ from 35 Google reviews, listed on Google as “Septic system service”.
Based in Winchester
55/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.3★ from 86 Google reviews, listed on Google as “Septic system service”.
Based in Front Royal, 19 mi away
55/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.3★ from 48 Google reviews, listed on Google as “Septic system service”.
Based in Ashburn, 23 mi away
55/100CR ScoreRanked #9 because of its Google rating and trade focus: 4.8★ from 35 Google reviews, listed on Google as “Septic system service”.
Based in Winchester
53/100CR ScoreRanked #10 because of its Google rating and review volume: 4.9★ from 43 Google reviews.
Based in Winchester
53/100CR ScoreRanked #11 because of its Google rating and trade focus: 3.8★ from 39 Google reviews, listed on Google as “Septic system service”.
Based in Martinsburg, 22 mi away
52/100CR ScoreRanked #12 because of its Google rating and trade focus: 4.8★ from 46 Google reviews, listed on Google as “Excavating contractor”.
#13 Ruffner Paul R
Based in Front Royal, 17 mi away
50/100CR ScoreRanked #13 because of its Google rating and trade focus: 5.0★ from 15 Google reviews, listed on Google as “Septic system service”.
Based in Front Royal, 20 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Septic system service”.
Based in Strasburg, 21 mi away
45/100CR ScoreRanked #15 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Septic system service”.
#16 BSP Plumbing
Based in Charles Town, 19 mi away
38/100CR ScoreRanked #16 because of its Google rating and review volume: 2.8★ from 470 Google reviews.
Also serving Winchester
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 | Distance |
|---|---|
| All-Star Septic | 19 mi |
| Combs Wastewater Management | In Winchester |
| Groves Septic & Excavation LLC | 16 mi |
| Mr. Septic Corp | 18 mi |
How we ranked Winchester septic service companies
We scored 16 Winchester 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 Winchester 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 Winchester: frequently asked questions
Who is the best septic service company in Winchester?
By CR Score, the highest-ranked septic service company in Winchester, VA is Johnny Blue Inc. with a CR Score of 62/100. It has 4.9★ from 66 Google reviews. It is open 24/7. Powell's Plumbing & Air (#2) and Mr. Rooter Plumbing of the Shenandoah Valley (#3) follow. We ranked 16 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in Winchester?
ContractorsRanked ranks 16 septic service companies serving Winchester, VA. 6 of them are based in Winchester; 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 Winchester are open 24/7?
8 ranked septic service companies in Winchester post 24/7 hours. The highest-ranked are Johnny Blue Inc. (#1), Powell's Plumbing & Air (#2) and Mr. Rooter Plumbing of the Shenandoah Valley (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in Winchester work on weekends?
10 of 16 ranked septic service companies post Saturday hours and 9 post Sunday hours. The highest-ranked open Saturdays are Johnny Blue Inc. (#1), Powell's Plumbing & Air (#2) and Mr. Rooter Plumbing of the Shenandoah Valley (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do Winchester septic service companies have?
The median Google rating among 16 rated septic service companies in Winchester is 4.8★, with a median of 47 reviews. Powell's Plumbing & Air has the most, 1,265 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 Winchester count in this ranking?
Yes, if they are within 25 mi of the Winchester 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 Winchester
- November 2026: CR Scores recalculated for 16 septic service companies serving Winchester.
More septic service companies and Winchester pages
Septic service companies near Winchester
- Septic service companies in Front Royal, VA12 ranked
- Septic service companies in Leesburg, VA33 ranked
- Septic service companies in Broadlands, VA40 ranked
- Septic service companies in Ashburn, VA41 ranked
- Septic service companies in South Riding, VA41 ranked
- Septic service companies in Gainesville, VA34 ranked
- Septic service companies in Sterling, VA48 ranked
- Septic service companies in Countryside, VA45 ranked
- Septic service companies in Linton Hall, VA33 ranked
- Septic service companies in Sugarland Run, VA47 ranked
Other trades in Winchester
- Roofers in Winchester174 ranked
- Plumbers in Winchester67 ranked
- Electricians in Winchester48 ranked
- HVAC contractors in Winchester65 ranked
- General contractors in Winchester78 ranked
- Painters in Winchester30 ranked
- Landscapers in Winchester34 ranked
- Handymen in Winchester17 ranked
- Kitchen remodelers in Winchester41 ranked
- Bathroom remodelers in Winchester45 ranked
- Flooring contractors in Winchester28 ranked
- Tile installers in Winchester6 ranked
- Concrete contractors in Winchester24 ranked
- Fence contractors in Winchester20 ranked
- Deck builders in Winchester30 ranked
- Siding contractors in Winchester78 ranked
- Window installers in Winchester56 ranked
- Gutter installers in Winchester18 ranked
- Insulation contractors in Winchester9 ranked
- Solar installers in Winchester13 ranked
- Garage door repair companies in Winchester6 ranked
- Foundation repair companies in Winchester22 ranked
- Tree services in Winchester42 ranked
- Masonry contractors in Winchester20 ranked
- Water damage restoration companies in Winchester77 ranked
- Home builders in Winchester153 ranked
- Demolition contractors in Winchester7 ranked
- Pressure washing companies in Winchester8 ranked
- Paving contractors in Winchester10 ranked
- Auto glass repair shops in Winchester13 ranked
- Excavating contractors in Winchester16 ranked
- Pool builders in Winchester39 ranked
- All contractors in Winchester