14 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Carlsbad: L&P Drain LLC, CR Score 90/100; 4.5★ from 52 Google reviews; open 24/7.
Best for emergencies (open 24/7): A1 Plumbing Service Carlsbad NM, posts 24/7 hours; ranked #2 of 14.
Most-reviewed: Sias plumbing, 94 Google reviews at 4.7★, the most of 14 ranked; ranked #3.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
14 Carlsbad plumbers are ranked here by CR Score, from 8 published factors. 4 are open 24/7, 6 open Saturdays and 5 open Sundays, based on posted hours. The median Google rating is 4.3★ across 14 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | L&P Drain LLC | 90 | 4.5★ (52) | Carlsbad | 24/7 | Overall |
| 2 | A1 Plumbing Service Carlsbad NM | 85 | 4.0★ (29) | Carlsbad | 24/7 | Emergencies |
| 3 | Sias plumbing | 82 | 4.7★ (94) | Carlsbad | — | Most reviews |
| 4 | Jns plumbing | 81 | 4.4★ (13) | Carlsbad | Sat · Sun · Evenings | — |
| 5 | Collette and Sons Plumbing | 80 | 3.8★ (14) | Carlsbad | 24/7 | — |
| 6 | De Leon Service | 79 | 5.0★ (8) | Carlsbad | 24/7 | — |
| 7 | Camco Plumbing Inc | 77 | 4.0★ (52) | Carlsbad | — | — |
| 8 | Action Drain and Sewer Service | 76 | 4.6★ (22) | Carlsbad | — | — |
| 9 | Greg's A/C & Plumbing Service | 74 | 4.0★ (5) | Carlsbad | Sat · Sun | — |
| 10 | Little Digger Man | 74 | 5.0★ (8) | Carlsbad | — | — |
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 availability: 4.5★ from 52 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #2 because of its Google rating and availability: 4.0★ from 29 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #3 because of its Google rating and review volume: 4.7★ from 94 Google reviews, the most Google reviews on this list (94).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #4 because of its Google rating and trade focus: 4.4★ from 13 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #5 because of its Google rating and trade focus: 3.8★ from 14 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #6 because of its Google rating and availability: 5.0★ from 8 Google reviews, open 24/7.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #7 because of its Google rating and trade focus: 4.0★ from 52 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #8 because of its Google rating and trade focus: 4.6★ from 22 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #9 because of its Google rating and availability: 4.0★ from 5 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #10 because of its Google rating and trade focus: 5.0★ from 8 Google reviews, listed on Google as “HVAC contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Carlsbad
Ranked #11 because of its Google rating and trade focus: 3.7★ from 19 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #12 because of its Google rating and trade focus: 3.3★ from 3 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #13 because of its Google rating and trade focus: 4.3★ from 6 Google reviews, listed on Google as “HVAC contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Carlsbad
Ranked #14 because of its Google rating and trade focus: 5.0★ from 3 Google reviews, listed on Google as “Well drilling contractor”.
Based on 6 of 8 factors; credentials and recency not yet collected.
4 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 |
|---|---|---|
| HEO Sewer & Drain Services | 2.0★ (1) | In Carlsbad |
| Heritage Plumbing & Heating | 5.0★ (2) | In Carlsbad |
| Master Plumbers | 3 mi | |
| Standard Services | In Carlsbad |
National price ranges in USD, not adjusted for Carlsbad. 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 New Mexico, New Mexico Construction Industries Division 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 14 Carlsbad 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 Carlsbad 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 |