Plumbing contractors leads in Chicago city, IL — 355 scored businesses
Chicago city has 355 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 21 out of 100. About 23% 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 Chicago city
Pre-1970 is the majority in Chicago city: a median build year of 1952 tells you original infrastructure dominates the rooftops. The agency opportunity for plumbing contractors here comes from fatigue, not choice — owners facing galvanized pipe, knob-and-tube, or aged masonry already know the work is coming. Outbound that leads with "planned major-system replacement" massively outperforms generic "need work done?" pitches in a housing cohort this deep into its second design cycle, and the volume of plumbing jobs compounds on referrals as one neighbor's pipe burst seeds the next block's pre-emptive swap.
A field of 355 plumbing contractors crowds the Chicago city market to the point where the lower half of the distribution is effectively invisible — 55 reviews per operator at the median and median Google rating of 4.8 stars set a baseline every viable outbound target already meets or beats. For agency targeting, the right prospect list in this density isn't "small operators" or "new operators" — it's the ones with established review volume whose star average slipped recently, or whose pace of new reviews is decelerating. That signal is the precursor to losing GBP rank, and a contractor staring at declining leads is a contractor ready to pay for a fix.
Of 155 plumbing contractors scored in Chicago city, 0 carry vulnerability scores above 70 — 0% of the market. 23% have no website at all, the single strongest signal that an operator is leaving paid-discovery revenue on the table. Agencies who lead with the missing-website angle tend to convert this slice well — there's no harder pitch to argue with than "your competitors are showing up on Google for searches you can't."
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 355 plumbing contractors land on the 0–100 score
A sample of Chicago city plumbing contractors we've profiled
- Twilight Plumbingplumbing contractor
- Bishop Plumbing, Heating and Cooling, Inc.plumbing contractor
- Intelligent Service: Plumbing, Heating, Cooling & Drain Cleaningplumbing contractor
- Chicago Sewer Expertsplumbing contractor
- Traynor Plumbingplumbing contractor
Showing 5 of 355. Vulnerability scores, phone numbers, line types and full enrichment data are available to signed-in members.
How we measure opportunity
ACS 5-Year Estimates
Population, household income, home value, homeownership rate, median year structure built and self-employment density come from the US Census Bureau's American Community Survey 5-year release. Public-domain, refreshed annually.
Google Places + Places Details
Business names, addresses, ratings, review counts, websites, phone numbers and operating status come from the Google Places API. Each profiled business is re-checked on a 14-day cache cycle so stale data drifts off the page.
Composite vulnerability score
We blend 14 signals (review velocity, star rating, website presence and freshness, ad pixels, hiring activity, competitor density and visual brand) into a 0–100 score. Higher means more likely to engage with marketing services.
Frequently asked
- How many plumbing contractors are in Chicago city, IL?
- LocalVein's latest scan of Chicago city identified 355 active plumbing contractors. Median review count is 55, with a median Google rating of 4.8 stars. Refreshed April 2026.
- How does LocalVein rank plumbing leads for vulnerability?
- LocalVein blends 14 signals (review velocity, star rating, website presence and freshness, ad pixels, hiring activity, competitor density, visual brand quality and several others) into a 0–100 vulnerability score. For Chicago city's plumbing contractors, the median score is 21, with 0 operators scoring above 70 — those are the most likely to engage with new agency outreach.
- What percent of Chicago city plumbing contractors have no website?
- 23% of plumbing contractors in Chicago 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 Chicago city plumbing contractors?
- Yes — LocalVein exports full phone numbers on every paid plan. Phone line type detection (mobile / landline / VoIP) via Twilio Lookup is a Growth-tier and above feature, which agencies use to route SMS-eligible prospects to a separate outreach sequence than landline-only operators. For Chicago 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 Chicago city plumbing list refreshed?
- Each plumbing contractor record refreshes on a 14-day cache cycle whenever a user scans the vertical. Chicago city's Census numbers (population, home value, demographic signals used in the vulnerability score) refresh annually with the ACS release. Most recent refresh on this page: April 2026.
The rest of plumbing contractors in Chicago 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 355 businesses
- Full phone numbers
- Ranked by vulnerability score
- Census + demographic intelligence
- Generic CSV export (CRM-ready)
See every Chicago city plumbing contractor's score, phone, and line type
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