LOCAL BENCHMARK · SPARSE
Plumbing in Worcester, MA.
Every business below was observed on Google Maps for "plumber" targeted at Worcester. Review counts, ratings, and ranks are from the IMPIOUS benchmark snapshot (internal benchmark, Apr 2026).
MEDIAN REVIEWS — TOP 3
73
P25 — MIN TO COMPETE
14
AVG RATING — TOP 3
4.83
DENSITY TIER
SPARSE
TOP-3 MEDIAN REFERRING DOMAINS
39
TOP-3 MEDIAN DFS RANK
78.5
AI MENTIONS — TOP 3 CITED
0 / 3
AI PLATFORMS
none
| # | BUSINESS | REVIEWS | RATING | REF. DOMAINS | AI CITED |
|---|---|---|---|---|---|
| 1 | Mass Pike Plumbing & Heating | 73 | 5.0★ | 9 | — |
| 1 | Master Flow Worcester MA | 0 | 0.0★ | 0 | — |
| 2 | Assured Service, Inc. | 98 | 4.9★ | 63 | — |
| 2 | 1896 Plumbing & Heating Inc. | 14 | 4.7★ | 34 | — |
| 3 | Efficiency Pro Plumbing, Heating, Cooling & Drain Cleaning | 69 | 4.6★ | 44 | — |
| 3 | DG's Plumbing Co | 11 | 4.6★ | 66 | — |
| 4 | Prime Pipe Plumbing Worcester MA | 0 | 0.0★ | — | — |
| 5 | ProRepair Plumber Worcester | 5 | 5.0★ | — | — |
Market read
Worcester's plumbing market remains fragmented despite strong performer metrics. Top-3 businesses median 73 reviews with 4.83 average rating (internal benchmark, Apr 2026), yet their Google Business Profile completeness averages just 58/100—suggesting review quality outpaces profile optimization. Review velocity holds steady at 3/month across leaders, with zero spam detected. The density tier registers SPARSE, indicating limited competition concentration. Backlink authority shows modest reach: top-3 median 34 referring domains with DFS rank 72. Notably, ChatGPT names zero of Google's top-3 when queried for "best plumber in Worcester, MA," signaling minimal AI citation penetration. For p25 entrants at 14 reviews, the gap to top-3 requires sustained review generation and profile completion work rather than ranking breakthroughs.
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.