LOCAL BENCHMARK · MEDIUM
Plumbing in Knoxville, TN.
Every business below was observed on Google Maps for "plumber" targeted at Knoxville. Review counts, ratings, and ranks are from the IMPIOUS benchmark snapshot (internal benchmark, Apr 2026).
MEDIAN REVIEWS — TOP 3
1440
P25 — MIN TO COMPETE
59
AVG RATING — TOP 3
4.88
DENSITY TIER
MEDIUM
TOP-3 MEDIAN REFERRING DOMAINS
272
TOP-3 MEDIAN DFS RANK
194
AI MENTIONS — TOP 3 CITED
1 / 3
AI PLATFORMS
GPT
| # | BUSINESS | REVIEWS | RATING | REF. DOMAINS | AI CITED |
|---|---|---|---|---|---|
| 1 | Pipe Wrench Plumbing, Heating & Cooling | 5716 | 4.8★ | 589 | cited |
| 1 | Knoxville Plumbing & Drain Cleaning | 677 | 4.7★ | — | — |
| 1 | M&C Service | 10 | 5.0★ | 2 | — |
| 2 | Hiller Plumbing, Heating, Cooling & Electrical | 5251 | 4.9★ | 3508 | — |
| 2 | Paynes Plumbing & Electric | 173 | 4.8★ | 107 | — |
| 2 | PureLife Plumbing & Water Systems | 40 | 5.0★ | 35 | — |
| 3 | Tennessee Standard Plumbing | 2203 | 4.9★ | 437 | — |
| 3 | Hard Knox Plumbing | 325 | 5.0★ | 87 | — |
| 3 | 1-Tom-Plumber | 59 | 5.0★ | 1667 | — |
| 4 | Williamson Plumbing | 11 | 5.0★ | — | — |
| 4 | Kington Sewer & Septic Drain Cleaning Service Inc. | 70 | 4.5★ | — | — |
| 4 | Chancey & Reynolds, Inc. | AC Repair | 1395 | 4.9★ | — | — |
| 5 | The Plumbing Authority | 1893 | 4.9★ | — | — |
| 5 | AA Plumbing and Drain Cleaning | 35 | 2.5★ | — | — |
Market read
Top-3 plumbing competitors in Knoxville maintain 1,440 median reviews (internal benchmark, Apr 2026) yet show modest GBP completeness at 67/100—a gap suggesting profile optimization remains underutilized. Review velocity averages 8.83 monthly, while spam comprises 17% of the review pool, indicating quality control inconsistency at scale. The market sits at medium density with p25 entry at 59 reviews. Backlink authority runs deep: top-3 median 589 referring domains, median DFS rank 222. AI citation data shows one top-3 business named in ChatGPT for "best plumber in Knoxville, TN." For pack-entry operators at 59 reviews targeting top-3 status, the path requires sustained review accumulation, stronger GBP signals, and spam mitigation to match the 4.88 average rating competitors hold.
See "The Review Gap Is Smaller Than Everyone Thinks" for the cross-city pattern and "What the Top-3 Actually Have on Their Backlink Profile" for the backlink + AI-citation breakdown.