54 Plumbing contractors in Green Bay city, WI — scored for agency prospecting
Green Bay city has 54 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 12 out of 100. About 37% operate without a website — the single strongest signal that a local service business is open to hiring a marketing agency.
The plumbing contractor market in Green Bay city
Green Bay city's median home was built in 1971, putting most of the market into the 30–50-year-old bracket. That's the sweet spot for plumbing: original installations are reaching end-of-life en masse, but the housing stock is still maintained as primary residences rather than written off as teardowns. Agencies pitching plumbing contractors in markets like this find the strongest results from "system replacement" messaging rather than emergency-repair positioning — buyers know the work is coming and respond well to planning-cycle outreach.
Green Bay city's plumbing field — 54 operators strong — gives agencies enough breadth to segment meaningfully without drowning in options. Median review count of 20 provides a clean cutoff: prospects well below the median are typically one-truck shops doing good technical work but neglecting their digital footprint, and those are exactly the contractors with the most upside from competent agency representation.
0% of plumbing contractors in Green Bay city — 0 operators out of 54 — register a vulnerability score above 50 in LocalVein's model. 37% of the vertical is operating without a website, which is the cleanest yes/no filter available. That ratio tells agencies how large the addressable top-of-funnel really is before any personalization work begins, and it's the honest answer to the "is this market worth my outbound time?" question. When the vulnerable tier clears 20% of the list, the vertical pays back a focused campaign within the first month in nearly every market we track.
US benchmarks: median review count 32, share of operators with no website 22%. Markets where either number sits well above the benchmark concentrate more agency-ready prospects per outreach hour.
Where the 54 plumbing contractors land on the 0–100 score
A sample of Green Bay city plumbing contractors we've profiled
- Good to Go Plumbing LLCplumbing contractor
- Harry G Anderson Heating & Plumbingplumbing contractor · 1.0★ · 1 review
- All-Phaze Plumbingplumbing contractor · 2.3★ · 3 reviews
- Affordable Sewer & Drainplumbing contractor · 3.0★ · 3 reviews
- Jacques Plumbing LLCplumbing contractor · 3.5★ · 2 reviews
Showing 5 of 54. Vulnerability scores, phone numbers, line types and full enrichment data are available to signed-in members.
How we measure opportunity
Public-sector demographic data
Population, household income, home value, homeownership rate, median year structure built and self-employment density come from authoritative public demographic releases. Refreshed annually.
Live business records
Business names, addresses, ratings, review counts, websites, phone numbers and operating status come from live business records. Each profiled business is re-checked regularly so stale data drifts off the page.
Composite vulnerability score
We blend 19 signals (review velocity, star rating, website presence and freshness, ad pixels, hiring activity, competitor density and visual brand, plus eleven more) into a 0–100 score. Higher means more likely to engage with marketing services.
Related searches
Frequently asked
- How many plumbing contractors are in Green Bay city, WI?
- LocalVein's latest scan of Green Bay city identified 54 active plumbing contractors. Median review count is 20, with a median Google rating of 4.8 stars. Refreshed April 2026.
- How does LocalVein rank plumbing leads for vulnerability?
- In Green Bay city, what pushes plumbing contractors up the vulnerability ranking most is a high 37% share with no website at all and thin review volume (median of 20 reviews) — both are gaps a marketing agency can close fast. The median plumbing contractor here scores 12/100, and 0 operators clear 50 — the band where new agency outreach tends to land. Treat the score as a starting filter, then open the contributing signals on the operators you actually want to work.
- What percent of Green Bay city plumbing contractors have no website?
- 37% of plumbing contractors in Green Bay city have no website at all in our index. No website is the single strongest "leaving money on the table" signal we track, and most agencies start their outbound by sorting on this column.
- Can I get phone numbers and line types for Green Bay city plumbing contractors?
- Yes — LocalVein exports full phone numbers on every paid plan. Phone line type detection (mobile / landline / VoIP) is a Core-tier and above feature, which agencies use to route SMS-eligible prospects to a separate outreach sequence than landline-only operators. Paid plans also surface a contact email for each business that publishes one on its own site — coverage is not universal. For Green Bay city's plumbing contractors, line types populate on the first paid scan and persist indefinitely — phone line types almost never change.
- How often is the Green Bay city plumbing list refreshed?
- Each plumbing contractor record is re-checked whenever a user scans the vertical. Green Bay city's demographic numbers (population, home value, demographic signals used in the vulnerability score) refresh annually. Most recent refresh on this page: April 2026.
The rest of plumbing contractors in Green Bay city is behind a free signup.
- 5 sample businesses
- Phones masked (last 2 digits)
- No phone line-type classification
- No CSV export
- No vulnerability ranking on the full list
- all 54 businesses
- Full phone numbers
- Ranked by vulnerability score
- Demographic intelligence per market
- Generic CSV export (CRM-ready)
See every Green Bay city plumbing contractor's score, phone, line type, and contact email
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