23 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rapid Valley: Loyal Plumbing Heating and Cooling, CR Score 95/100; 4.9★ from 1,745 Google reviews; open 24/7.
Best for emergencies (open 24/7): Black flag plumbing, posts 24/7 hours; ranked #2 of 23.
Most-reviewed: Midwestern Mechanical, 167 Google reviews at 4.7★, the most of 23 ranked after Loyal Plumbing Heating and Cooling; ranked #17.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
23 Rapid Valley plumbers are ranked here by CR Score, from 8 published factors. 5 are open 24/7, 8 open Saturdays and 6 open Sundays, based on posted hours. The median Google rating is 4.9★ across 23 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Loyal Plumbing Heating and Cooling | 95 | 4.9★ (1,745) | Rapid City, 6 mi away | 24/7 | Overall |
| 2 | Black flag plumbing | 91 | 4.9★ (141) | Rapid City, 4 mi away | 24/7 | Emergencies |
| 3 | Rapid Rooter | 91 | 4.8★ (149) | Rapid City, 2 mi away | 24/7 | — |
| 4 | Possible Plumbing Service LLC | 83 | 4.7★ (15) | Rapid City, 3 mi away | — | — |
| 5 | Kinfolks plumbing llc. | 83 | 5.0★ (20) | Rapid City, 22 mi away | 24/7 | — |
| 6 | Drain Kings | 82 | 5.0★ (15) | Rapid City, 17 mi away | 24/7 | — |
| 7 | Plumb Pro Mechanical | 80 | 4.6★ (11) | Arbutus, 14 mi away | Sat · Sun · Evenings | — |
| 8 | Minnick Plumbing Inc | 80 | 5.0★ (5) | Rapid City, 4 mi away | — | — |
| 9 | PlumbDog Services | 78 | 5.0★ (35) | Rapid City, 2 mi away | — | — |
| 10 | 5th GENERATION PLUMBING LLC | 77 | 4.3★ (17) | Rapid City, 3 mi away | Sat | — |
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Ranked #1 because of its Google rating and review volume: 4.9★ from 1,745 Google reviews, the most Google reviews on this list (1,745).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 4 mi away
Ranked #2 because of its Google rating and availability: 4.9★ from 141 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 2 mi away
Ranked #3 because of its Google rating and availability: 4.8★ from 149 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 3 mi away
Ranked #4 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Rapid City, 22 mi away
Ranked #5 because of its Google rating and availability: 5.0★ from 20 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 17 mi away
Ranked #6 because of its Google rating and availability: 5.0★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Arbutus, 14 mi away
Ranked #7 because of its Google rating and trade focus: 4.6★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 4 mi away
Ranked #8 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Rapid City, 2 mi away
Ranked #9 because of its Google rating and trade focus: 5.0★ from 35 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 3 mi away
Ranked #10 because of its Google rating and trade focus: 4.3★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 6 mi away
Ranked #11 because of its Google rating and trade focus: 4.9★ from 50 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 19 mi away
Ranked #12 because of its Google rating and trade focus: 4.8★ from 19 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Rapid City, 2 mi away
Ranked #13 because of its Google rating and trade focus: 4.6★ from 39 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Box Elder, 3 mi away
Ranked #14 because of its Google rating and trade focus: 4.3★ from 11 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 5 mi away
Ranked #15 because of its Google rating and trade focus: 4.4★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Box Elder, 17 mi away
Ranked #16 because of its Google rating and trade focus: 5.0★ from 16 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 2 mi away
Ranked #17 because of its Google rating and review volume: 4.7★ from 167 Google reviews, 167 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 18 mi away
Ranked #18 because of its Google rating and trade focus: 5.0★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 11 mi away
Ranked #19 because of its Google rating and trade focus: 5.0★ from 4 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 15 mi away
Ranked #20 because of its Google rating and trade focus: 5.0★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 14 mi away
Ranked #21 because of its Google rating and trade focus: 5.0★ from 6 Google reviews, listed on Google as “Roofing contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 1 mi away
Ranked #22 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “Demolition contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rapid City, 13 mi away
Ranked #23 because of its Google rating and trade focus: 4.3★ from 16 Google reviews, listed on Google as “Landscape designer”.
Based on 6 of 8 factors; credentials and recency not yet collected.
National price ranges in USD, not adjusted for Rapid Valley. 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 South Dakota, South Dakota Plumbing Commission licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
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 23 Rapid Valley plumbers on 8 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. Unknown factors are left out of the score, 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 Rapid Valley data |
|---|---|---|---|
| Reputation | 35% | Bayesian-adjusted Google star rating | Measured |
| Credentials | 15% | Active state license 0.6, bond 0.2, workers’ comp 0.2 | Not yet collected |
| Review volume | 10% | log10(reviews + 1) against the list maximum | Measured |
| Recency | 10% | Share of reviews from the last 12 months | Not yet collected |
| Availability | 10% | Weekly open hours, Saturday, Sunday, 24/7 or same-day | Measured |
| Trade focus | 10% | Google main category 1.0, business name 0.7, additional category 0.5 | Measured |
| Proximity | 5% | 1.0 when based in the city, falling to 0 at the trade’s radius | Measured |
| Completeness | 5% | Website, photos, description, hours, claimed profile (0.2 each) | Measured |