32 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Flagstaff: Assurance Plumbing and Heating, CR Score 94/100; 4.9★ from 780 Google reviews.
Best for emergencies (open 24/7): Mortensen Custom Plumbing, posts 24/7 hours; ranked #2 of 32.
Most-reviewed: ACE Home Services (formerly AZ Best Plumbing), 694 Google reviews at 4.7★, the most of 32 ranked after Assurance Plumbing and Heating; ranked #5.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
32 Flagstaff plumbers are ranked here by CR Score, from 8 published factors. 15 are open 24/7, 19 open Saturdays and 17 open Sundays, based on posted hours. The median Google rating is 4.7★ across 32 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Assurance Plumbing and Heating | 94 | 4.9★ (780) | Flagstaff | — | Overall |
| 2 | Mortensen Custom Plumbing | 91 | 4.7★ (143) | Flagstaff | 24/7 | Emergencies |
| 3 | One Shot Installation-Home Services | 89 | 5.0★ (29) | Flagstaff | 24/7 | — |
| 4 | T.C.R. Rooter and Plumbing Repair | 89 | 4.3★ (234) | Flagstaff | 24/7 | — |
| 5 | ACE Home Services (formerly AZ Best Plumbing) | 88 | 4.7★ (694) | Sedona, 25 mi away | 24/7 | Most reviews |
| 6 | ACE Home Services | 88 | 4.9★ (295) | Flagstaff | 24/7 | — |
| 7 | Fiscor Plumbing and Air | 88 | 4.8★ (119) | Flagstaff | 24/7 | — |
| 8 | Manor Plumbing Co | 87 | 4.8★ (135) | Anthem, 19 mi away | 24/7 | — |
| 9 | Plumbing & Electrical Concepts | 86 | 4.3★ (15) | Flagstaff | 24/7 | — |
| 10 | E & S Plumbing Services | 85 | 4.1★ (75) | Flagstaff | 24/7 | — |
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 780 Google reviews, the most Google reviews on this list (780).
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #2 because of its Google rating and availability: 4.7★ from 143 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #3 because of its Google rating and availability: 5.0★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #4 because of its Google rating and availability: 4.3★ from 234 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sedona, 25 mi away
Ranked #5 because of its Google rating and availability: 4.7★ from 694 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #6 because of its Google rating and availability: 4.9★ from 295 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #7 because of its Google rating and availability: 4.8★ from 119 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Anthem, 19 mi away
Ranked #8 because of its Google rating and availability: 4.8★ from 135 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #9 because of its Google rating and availability: 4.3★ from 15 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #10 because of its Google rating and availability: 4.1★ from 75 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #11 because of its Google rating and availability: 3.2★ from 10 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #12 because of its Google rating and availability: 4.1★ from 97 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sedona, 24 mi away
Ranked #13 because of its Google rating and availability: 4.5★ from 34 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #14 because of its Google rating and availability: 4.4★ from 45 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #15 because of its Google rating and review volume: 4.9★ from 134 Google reviews, 134 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #16 because of its Google rating and trade focus: 4.5★ from 8 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #17 because of its Google rating and trade focus: 4.8★ from 5 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Flagstaff
Ranked #18 because of its Google rating and availability: 4.3★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #19 because of its Google rating and trade focus: 3.1★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sedona, 24 mi away
Ranked #20 because of its Google rating and availability: 4.7★ from 6 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #21 because of its Google rating and trade focus: 4.8★ from 28 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #22 because of its Google rating and review volume: 4.9★ from 151 Google reviews, 151 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #23 because of its Google rating and trade focus: 5.0★ from 26 Google reviews, listed on Google as “Handyman/Handywoman/Handyperson”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sedona, 25 mi away
Ranked #24 because of its Google rating and trade focus: 5.0★ from 113 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Flagstaff
Ranked #25 because of its Google rating and availability: 4.3★ from 7 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
#1 to #25 are shown in full above. Here are #26 to #32, in CR Score order; each links to its profile.
| Rank | Business | CR Score | Google rating | Distance |
|---|---|---|---|---|
| 26 | Iron Horse Companies LLC | 73 | 5.0★ (3) | In Flagstaff |
| 27 | Steve Ash Plumbing | 73 | 5.0★ (7) | 25 mi |
| 28 | Foose Home Repairs | 72 | 5.0★ (11) | In Flagstaff |
| 29 | Kincheloe Plumbing | 70 | 4.3★ (15) | 14 mi |
| 30 | Della Terra Home Services | 68 | 5.0★ (7) | In Flagstaff |
| 31 | Morning Dew Landscaping, Inc. | 68 | 3.8★ (38) | In Flagstaff |
| 32 | Blue Truck Handyman Inc. | 67 | 4.3★ (18) | In Flagstaff |
20 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 Steam | In Flagstaff | |
| AZ Royal Granite & Remodeling | 4.8★ (33) | In Flagstaff |
| Backus Heating & Air LLC | 4.7★ (12) | In Flagstaff |
| Bad Jack Plumbing | 5.0★ (1) | In Flagstaff |
| Coconino Plumbing & Fire | In Flagstaff | |
| Gold Star Plumbing & Drain | In Flagstaff | |
| Good Neighbor Plumbing Company | In Flagstaff | |
| Liberty Plumbing - Flagstaff | In Flagstaff | |
| Lynlee Plumbing | In Flagstaff | |
| Mammoth Builders | 4.9★ (41) | In Flagstaff |
| Mammoth Restoration | 4.8★ (161) | In Flagstaff |
| Michaels Handyman and Construction, LLC. | In Flagstaff | |
| Monark Plumbing Services | In Flagstaff | |
| Olguin Plumbing Inc | 5.0★ (1) | In Flagstaff |
| Pinewood Plumbing | 3.0★ (2) | In Flagstaff |
| Pipe Dreams Plumbing | In Flagstaff | |
| Rim Country Plumbing & Drain | 1.0★ (1) | In Flagstaff |
| RKS Plumbing & Mechanical Inc. | 5.0★ (1) | In Flagstaff |
| Royal Plumbing & Rooter Services | In Flagstaff | |
| Snowbowl Plumbing | In Flagstaff |
National price ranges in USD, not adjusted for Flagstaff. 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 Arizona, Arizona Registrar of Contractors 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 32 Flagstaff 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 Flagstaff 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 |