56/100CR Score
Ranked #1 because of its Google rating and trade focus: 5.0★ from 30 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 New Castle, PA (2026)
28 septic service companies ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in New Castle: Bonzo Septic Repair and Installation, CR Score 56/100; 5.0★ from 30 Google reviews; open 24/7.
- 2
Best for emergencies (open 24/7): A to Z Dependable Services, posts 24/7 hours; ranked #2 of 28.
- 2
Most-reviewed: A to Z Dependable Services, 4,376 Google reviews at 4.8★, the most of 28 ranked; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
28 New Castle septic service companies are ranked here by CR Score, from ten published factors. 5 are open 24/7, 11 open Saturdays and 7 open Sundays, based on posted hours. The median Google rating is 4.7★ across 28 rated businesses.
Top 10 septic service companies in New Castle at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Bonzo Septic Repair and Installation | 56 | 5.0★ (30) | New Brighton, 19 mi away | 24/7 | Overall |
| 2 | A to Z Dependable Services | 55 | 4.8★ (4,376) | Niles, 23 mi away | 24/7 | Emergencies, Most reviews |
| 3 | Homer Sanitary Service | 55 | 4.4★ (25) | Hermitage, 15 mi away | 24/7 | — |
| 4 | Delong's Sewer & Drain Services | 54 | 4.9★ (118) | Sharon, 18 mi away | 24/7 | — |
| 5 | Bucci Advanced Plumbing Drain & Boiler Services | 54 | 5.0★ (96) | Ellwood City, 11 mi away | 24/7 | — |
| 6 | D. Pullium Sanitary Service | 53 | 5.0★ (5) | New Castle | — | — |
| 7 | Morris Drain Service, LLC | 52 | 4.4★ (42) | Youngstown, 16 mi away | Sat | — |
| 8 | Sorriento's Sewer & Drain LLC | 51 | 4.6★ (30) | Struthers, 14 mi away | Sat · Sun | — |
| 9 | Zelic's Drain & Sewer Cleaning | 51 | 3.9★ (15) | New Castle | — | — |
| 10 | Economy Septic Service | 50 | 4.8★ (72) | Cranberry Township, 24 mi away | — | — |
The 28 best septic service companies in New Castle, ranked
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Based in Niles, 23 mi away
55/100CR ScoreRanked #2 because of its Google rating and review volume: 4.8★ from 4,376 Google reviews, the most in New Castle.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermitage, 15 mi away
55/100CR ScoreRanked #3 because of its Google rating and trade focus: 4.4★ from 25 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Sharon, 18 mi away
54/100CR ScoreRanked #4 because of its Google rating and trade focus: 4.9★ from 118 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Ellwood City, 11 mi away
54/100CR ScoreRanked #5 because of its Google rating and review volume: 5.0★ from 96 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Castle
53/100CR ScoreRanked #6 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 Youngstown, 16 mi away
52/100CR ScoreRanked #7 because of its Google rating and trade focus: 4.4★ from 42 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Struthers, 14 mi away
51/100CR ScoreRanked #8 because of its Google rating and trade focus: 4.6★ from 30 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in New Castle
51/100CR ScoreRanked #9 because of its Google rating and trade focus: 3.9★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Cranberry Township, 24 mi away
50/100CR ScoreRanked #10 because of its Google rating and trade focus: 4.8★ from 72 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermitage, 16 mi away
50/100CR ScoreRanked #11 because of its Google rating and trade focus: 4.7★ from 63 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Youngstown, 17 mi away
50/100CR ScoreRanked #12 because of its Google rating and trade focus: 3.7★ from 23 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Salem, 23 mi away
50/100CR ScoreRanked #13 because of its Google rating and trade focus: 4.9★ from 36 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Struthers, 14 mi away
49/100CR ScoreRanked #14 because of its Google rating and trade focus: 4.5★ from 42 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Girard, 22 mi away
49/100CR ScoreRanked #15 because of its Google rating and trade focus: 4.7★ from 21 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Greenville, 23 mi away
48/100CR ScoreRanked #16 because of its Google rating and trade focus: 4.7★ from 22 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Youngstown, 21 mi away
48/100CR ScoreRanked #17 because of its Google rating and trade focus: 4.8★ from 32 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Hermitage, 22 mi away
48/100CR ScoreRanked #18 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hubbard, 18 mi away
47/100CR ScoreRanked #19 because of its Google rating and trade focus: 3.6★ from 10 Google reviews, listed on Google as “Septic system service”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hubbard, 17 mi away
47/100CR ScoreRanked #20 because of its Google rating and trade focus: 4.2★ from 26 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Columbiana, 20 mi away
47/100CR ScoreRanked #21 because of its Google rating and trade focus: 4.7★ from 49 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Niles, 24 mi away
47/100CR ScoreRanked #22 because of its Google rating and trade focus: 3.8★ 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 Cortland, 24 mi away
46/100CR ScoreRanked #23 because of its Google rating and trade focus: 4.1★ from 65 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Hermitage, 13 mi away
46/100CR ScoreRanked #24 because of its Google rating and trade focus: 4.7★ from 43 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Beaver Falls, 21 mi away
44/100CR ScoreRanked #25 because of its Google rating and trade focus: 4.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
All 28 septic service companies
#1 to #25 are shown in full above. Here are #26 to #28, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Adam-Eve Plumbing | 44 | 4.5★ (90) | 22 mi |
| 27 | Duke's Sanitary Services Inc | 43 | 5.0★ (26) | 24 mi |
| 28 | Rotunna Excavating | 43 | 5.0★ (7) | 18 mi |
Also serving New Castle
11 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 |
|---|---|---|
| Antonio Drain 211 | 19 mi | |
| C & C Sewer & Drain Services | 18 mi | |
| Colbrunn Excavating | 5.0★ (1) | 21 mi |
| Crago's Sewage & Flood Restoration | 18 mi | |
| Frederick Gas Line & Excavating | 5.0★ (1) | 20 mi |
| Hursh Excavating | 5.0★ (2) | 9 mi |
| Mayfield Septic Services | 5.0★ (2) | 17 mi |
| Mister Sewer, Plumbing & HVAC | 5.0★ (2) | 21 mi |
| SHR Unlimited Llc | 5.0★ (2) | 23 mi |
| Underground Rehab Solutions, LLC | 19 mi | |
| Z'Crete Concrete & Excavation LLC | 10 mi |
How we ranked New Castle septic service companies
We scored 28 New Castle 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 New Castle 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 New Castle: frequently asked questions
Who is the best septic service company in New Castle?
By CR Score, the highest-ranked septic service company in New Castle, PA is Bonzo Septic Repair and Installation with a CR Score of 56/100. It has 5.0★ from 30 Google reviews. It is open 24/7. A to Z Dependable Services (#2) and Homer Sanitary Service (#3) follow. We ranked 28 septic service companies on ten factors, last updated November 3, 2026.
How many septic service companies are there in New Castle?
ContractorsRanked ranks 28 septic service companies serving New Castle, PA. 2 of them are based in New Castle; the rest serve it from nearby towns. Another 11 within 25 mi are listed but not ranked yet. Counts are as of November 2026.
Which septic service companies in New Castle are open 24/7?
5 ranked septic service companies in New Castle post 24/7 hours. The highest-ranked are Bonzo Septic Repair and Installation (#1), A to Z Dependable Services (#2) and Homer Sanitary Service (#3). Hours come from each business's Google listing as of November 2026, so call to confirm.
Which septic service companies in New Castle work on weekends?
11 of 28 ranked septic service companies post Saturday hours and 7 post Sunday hours. The highest-ranked open Saturdays are Bonzo Septic Repair and Installation (#1), A to Z Dependable Services (#2) and Homer Sanitary Service (#3). Posted hours are office hours; crews may book weekend jobs separately.
What Google rating do New Castle septic service companies have?
The median Google rating among 28 rated septic service companies in New Castle is 4.7★, with a median of 30 reviews. A to Z Dependable Services has the most, 4,376 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 New Castle count in this ranking?
Yes, if they are within 25 mi of the New Castle 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 New Castle
- November 2026: CR Scores recalculated for 28 septic service companies serving New Castle.
More septic service companies and New Castle pages
Septic service companies near New Castle
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