82/100CR Score
Ranked #1 because of its Google rating and review volume: 5.0★ from 35 Google reviews, 35 Google reviews.
- 5.0★ from 35 Google reviews
- Hours
- Mon–Sat 7 AM–7 PM · Sun closed
Best Plumbers in Williston, ND (2026)
7 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
The short answer
- 1
Best overall in Williston: Excel Plumbing, Heating, & Cooling, CR Score 82/100; 5.0★ from 35 Google reviews; open Saturdays until 7 PM.
- 3
Most-reviewed: Braaten Plumbing Inc, 43 Google reviews at 4.0★, the most of 7 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
7 Williston plumbers are ranked here by CR Score, from 8 published factors. 1 open Saturdays, based on posted hours. The median Google rating is 4.7★ across 7 rated businesses.
Top 7 plumbers in Williston at a glance
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Excel Plumbing, Heating, & Cooling | 82 | 5.0★ (35) | Williston | Sat · Evenings | Overall |
| 2 | All Source Plumbing | 80 | 4.8★ (41) | Williston | — | — |
| 3 | Braaten Plumbing Inc | 80 | 4.0★ (43) | Williston | — | Most reviews |
| 4 | Mon-Dak heating & plumbing | 78 | 4.7★ (33) | Williston | — | — |
| 5 | Selid Plumbing & Heating Inc | 73 | 3.9★ (15) | Williston | — | — |
| 6 | Aqua Plumbing - Plumber, Faucet Repair & Plumbing Repair Services | 72 | 2.3★ (6) | Williston | — | — |
| 7 | Joe's Digging Service | 71 | 5.0★ (15) | Williston | — | — |
The 7 best plumbers in Williston, ranked
Ordered by CR Score, a 0–100 score from 8 published factors. Paid placement never changes the order.
Scores below: based on 6 of 8 factors; credentials and recency not yet collected. Hatched segments mark factors we don't have yet.
Based in Williston
80/100CR ScoreRanked #2 because of its Google rating and trade focus: 4.8★ from 41 Google reviews, listed on Google as “Plumber”.
- 4.8★ from 41 Google reviews
- Hours
- Mon–Wed closed · Thu–Fri 8 AM–4:30 PM · Sat–Sun closed
Based in Williston
80/100CR ScoreRanked #3 because of its Google rating and review volume: 4.0★ from 43 Google reviews, the most Google reviews on this list (43).
- 4.0★ from 43 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2203 2nd Ave W, Williston, ND 58801
Based in Williston
78/100CR ScoreRanked #4 because of its Google rating and review volume: 4.7★ from 33 Google reviews, 33 Google reviews.
- 4.7★ from 33 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 620 E Broadway, Williston, ND 58801
Based in Williston
73/100CR ScoreRanked #5 because of its Google rating and review volume: 3.9★ from 15 Google reviews, 15 Google reviews.
- 3.9★ from 15 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 2219 2nd Ave W, Williston, ND 58801
Based in Williston
72/100CR ScoreRanked #6 because of its Google rating and trade focus: 2.3★ from 6 Google reviews, listed on Google as “Plumber”.
- 2.3★ from 6 Google reviews
- Hours
- Mon–Fri 7 AM–5 PM · Sat–Sun closed
Based in Williston
71/100CR ScoreRanked #7 because of its Google rating and review volume: 5.0★ from 15 Google reviews, 15 Google reviews.
- 5.0★ from 15 Google reviews
- Hours
- Mon–Fri 8 AM–5 PM · Sat–Sun closed
- Address
- 3106 University Ave Suite A, Williston, ND 58801
How much do plumbers cost in Williston?
National price ranges in USD, not adjusted for Williston. 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 |
How to check a plumber's license in North Dakota
In North Dakota, North Dakota State Plumbing Board licenses Plumbing work: water supply, drain, waste and vent piping and fixtures.
- Check that the status is active and the name matches the contract or truck.
- Ask for proof of insurance before work starts.
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
How we ranked Williston plumbers
We scored 7 Williston 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 Williston 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 |
Plumbers in Williston: frequently asked questions
Who is the best plumber in Williston?
By CR Score, the highest-ranked plumber in Williston, ND is Excel Plumbing, Heating, & Cooling with a CR Score of 82/100. It has 5.0★ from 35 Google reviews. It is open Saturdays until 7 PM. All Source Plumbing (#2) and Braaten Plumbing Inc (#3) follow. We ranked 7 plumbers on 8 factors, last updated October 22, 2026.
How many plumbers are there in Williston?
ContractorsRanked ranks 7 plumbers serving Williston, ND. 7 of them are based in Williston; the rest serve it from nearby towns. Counts are as of October 2026.
Which plumbers in Williston work on weekends?
1 of 7 ranked plumbers post Saturday hours. The highest-ranked open Saturdays is Excel Plumbing, Heating, & Cooling (#1). Posted hours are office hours; crews may book weekend jobs separately.
How do I check a plumber's license in North Dakota?
In North Dakota, North Dakota State Plumbing Board handles licensing and covers Plumbing work: water supply, drain, waste and vent piping and fixtures.
How much does water heater replacement cost in Williston?
Water heater replacement typically costs $882 to $1,826, with $1,348 typical (Per unit, installed (unit plus labor); typical range of customer-reported jobs. US national range). This is a national range, not adjusted for Williston. Prices were last checked October 2026. Get at least two written quotes before you hire.
What Google rating do Williston plumbers have?
The median Google rating among 7 rated plumbers in Williston is 4.7★, with a median of 33 reviews. Braaten Plumbing Inc has the most, 43 reviews, and ranks #3. We adjust ratings for review count, so a few five-star reviews cannot top the list.
How does ContractorsRanked rank plumbers?
Each plumber gets a 0–100 CR Score from 8 published factors, led by reputation (35%), credentials (15%), review volume (10%) and recency (10%). Factors we cannot measure are left out, not scored as zero. Only businesses with a confirmed trade and 3 or more reviews, or a claimed profile, are ranked.
Do plumbers outside Williston count in this ranking?
Yes, if they are within 25 mi of the Williston city center, our service radius for plumbers. 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.
Update log for Williston
- October 2026: CR Scores recalculated for 7 plumbers serving Williston.
More plumbers and Williston pages
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