10 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Coos Bay: RJ Rooter Drain Service, CR Score 66/100; 4.8★ from 61 Google reviews; open 24/7.
Most-reviewed: Coos Plumbing LLC, 29 Google reviews at 5.0★, the most of 10 ranked after RJ Rooter Drain Service; ranked #2.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
10 Coos Bay plumbers are ranked here by CR Score, from ten published factors. 1 is open 24/7, 4 open Saturdays and 2 open Sundays, based on posted hours. The median Google rating is 4.7★ across 10 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | RJ Rooter Drain Service | 66 | 4.8★ (61) | North Bend, 3 mi away | 24/7 | Overall |
| 2 | Coos Plumbing LLC | 63 | 5.0★ (29) | Coos Bay | Sat · Sun · Evenings | Most reviews |
| 3 | C4 Plumbing LLC. | 59 | 4.8★ (27) | Coos Bay | — | — |
| 4 | Little Plumbing LLC | 58 | 4.6★ (15) | Coos Bay | Sat | — |
| 5 | K B Plumbing | 58 | 4.7★ (28) | North Bend, 2 mi away | — | — |
| 6 | Green Coast Plumbing Inc. | 58 | 4.4★ (27) | Coos Bay | — | — |
| 7 | Active Flow | 55 | 4.7★ (3) | Coos Bay | — | — |
| 8 | MHK Plumbing LLC | 54 | 5.0★ (6) | Coos Bay | — | — |
| 9 | Chambers Plumbing & Heating, Inc. | 54 | 2.6★ (16) | Coos Bay | — | — |
| 10 | Pacific Northwest Civil | 51 | 4.6★ (9) | Coos Bay | Sat | — |
Ordered by CR Score, a 0–100 score from ten published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.8★ from 61 Google reviews, the most in Coos Bay.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #2 because of its Google rating and trade focus: 5.0★ from 29 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #3 because of its Google rating and trade focus: 4.8★ from 27 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #4 because of its Google rating and trade focus: 4.6★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in North Bend, 2 mi away
Ranked #5 because of its Google rating and trade focus: 4.7★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #6 because of its Google rating and trade focus: 4.4★ from 27 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #7 because of its Google rating and trade focus: 4.7★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 7 of 10 factors; credentials, recency and availability not yet collected.
Based in Coos Bay
Ranked #8 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #9 because of its Google rating and trade focus: 2.6★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 8 of 10 factors; credentials and recency not yet collected.
Based in Coos Bay
Ranked #10 because of its Google rating and review volume: 4.6★ from 9 Google reviews.
Based on 8 of 10 factors; credentials and recency not yet collected.
6 more plumbers 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 Rescue Rooter | In Coos Bay | |
| Active Flow LLC | In Coos Bay | |
| C J Hansen Construction | 4.2★ (9) | In Coos Bay |
| Cornerstone Plumbing, LLC | In Coos Bay | |
| South Coast Construction Inc | 2.8★ (9) | In Coos Bay |
| Umpqua Valley Fire Services | 3 mi |
National price ranges in USD, not adjusted for Coos Bay. Each row names its basis and the month we checked it.
| Job | Low | Typical | High | Basis | Checked |
|---|---|---|---|---|---|
| Water heater replacement | $882 | $1,348 | $1,826 | Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range | October 2026 |
In Oregon, Oregon Construction Contractors Board licenses Construction contractor license plus a plumbing contractor license from the Building Codes Division.
No chip usually means we have not matched a state record yet. Check the lookup yourself before you hire.
Guide checked October 2026. How we verify licenses
We scored 10 Coos Bay plumbers 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 October 22, 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 Coos Bay 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 |