20 plumbers ranked by CR ScoreUpdated 0 paid placements in this rankingHow we rank →
Best overall in Rock Falls: Loescher Heating & Air Conditioning, CR Score 86/100; 4.5★ from 133 Google reviews; open 24/7.
Most-reviewed: Always Mechanical, 131 Google reviews at 4.9★, the most of 20 ranked after Loescher Heating & Air Conditioning; ranked #6.
Rankings can't be bought. Contractors can't pay to change their rank or score. How we rank
20 Rock Falls plumbers are ranked here by CR Score, from 8 published factors. 1 is open 24/7, 6 open Saturdays and 3 open Sundays, based on posted hours. The median Google rating is 4.7★ across 20 rated businesses.
| Rank | Business | CR Score | Google rating | Based in | Hours | Best for |
|---|---|---|---|---|---|---|
| 1 | Loescher Heating & Air Conditioning | 86 | 4.5★ (133) | Sterling, 3 mi away | 24/7 | Overall |
| 2 | Furr's Septic Maintenance | 85 | 4.6★ (17) | Rock Falls | — | — |
| 3 | Lenhart Plumbing | 82 | 4.7★ (103) | Sterling, 1 mi away | — | — |
| 4 | SPK Plumbing & Heating | 82 | 5.0★ (57) | Rock Falls | — | — |
| 5 | B & D Home Services | 82 | 4.7★ (24) | Rock Falls | Sat | — |
| 6 | Always Mechanical | 81 | 4.9★ (131) | Dixon, 13 mi away | — | Most reviews |
| 7 | Sauk Valley Plumbing & Heating | 81 | 4.6★ (74) | Rock Falls | — | — |
| 8 | Dave Jackley Sewer & Excavating | 81 | 4.7★ (15) | Sterling, 2 mi away | Sat | — |
| 9 | New Way Plumbing | 78 | 4.9★ (44) | Rock Falls | — | — |
| 10 | Lance's Plumbing, Inc. | 78 | 4.5★ (27) | Rock Falls | — | — |
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: 4.5★ from 133 Google reviews, the most Google reviews on this list (133).
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #2 because of its Google rating and trade focus: 4.6★ from 17 Google reviews, listed on Google as “Septic system service”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sterling, 1 mi away
Ranked #3 because of its Google rating and trade focus: 4.7★ from 103 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #4 because of its Google rating and trade focus: 5.0★ from 57 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #5 because of its Google rating and trade focus: 4.7★ from 24 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon, 13 mi away
Ranked #6 because of its Google rating and trade focus: 4.9★ from 131 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #7 because of its Google rating and trade focus: 4.6★ from 74 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sterling, 2 mi away
Ranked #8 because of its Google rating and trade focus: 4.7★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #9 because of its Google rating and trade focus: 4.9★ from 44 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #10 because of its Google rating and trade focus: 4.5★ from 27 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sterling, 2 mi away
Ranked #11 because of its Google rating and review volume: 4.7★ from 48 Google reviews, 48 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Sterling, 5 mi away
Ranked #12 because of its Google rating and trade focus: 4.7★ from 27 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Rock Falls
Ranked #13 because of its Google rating and review volume: 4.3★ from 41 Google reviews, 41 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon, 12 mi away
Ranked #14 because of its Google rating and trade focus: 4.5★ from 17 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon, 12 mi away
Ranked #15 because of its Google rating and trade focus: 4.3★ from 15 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon, 9 mi away
Ranked #16 because of its Google rating and trade focus: 3.4★ from 18 Google reviews, listed on Google as “Heating contractor”.
Based on 5 of 8 factors; credentials, recency and availability not yet collected.
Based in Sterling, 5 mi away
Ranked #17 because of its Google rating and trade focus: 5.0★ from 7 Google reviews, listed on Google as “Plumber”.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon, 21 mi away
Ranked #18 because of its Google rating and availability: 5.0★ from 7 Google reviews, open 7 days a week.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Dixon, 11 mi away
Ranked #19 because of its Google rating and review volume: 3.9★ from 30 Google reviews, 30 Google reviews.
Based on 6 of 8 factors; credentials and recency not yet collected.
Based in Columbus, 15 mi away
Ranked #20 because of its Google rating and availability: 5.0★ from 3 Google reviews, open 7 days a week.
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 |
|---|---|---|
| General Sewer & Septic | 5.0★ (2) | 12 mi |
| Jones Plumbing | 3.5★ (2) | 1 mi |
| Martin Plumbing | 5.0★ (1) | In Rock Falls |
| New Age Plumbing | 11 mi |
National price ranges in USD, not adjusted for Rock Falls. 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 Illinois, Illinois Department of Public Health, Plumbing Program licenses Plumber licenses and plumbing contractor registration (Chicago licenses its own plumbers).
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 20 Rock Falls 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 Rock Falls 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 |