324 Plumbing contractors in Chicago city, IL — scored for agency prospecting
Chicago city has 324 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 19 out of 100. About 16% 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 324 plumbing contractors crowds the Chicago city market to the point where the lower half of the distribution is effectively invisible — 74 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 267 plumbing contractors scored in Chicago city, 3 carry vulnerability scores above 50 — 1% of the market. 16% 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 324 plumbing contractors land on the 0–100 score
A sample of Chicago city plumbing contractors we've profiled
- Plumbing Solutions Unlimitedplumbing contractor
- Heather Ridge Contractors, Inc.plumbing contractor
- Dr. Rooter 911plumbing contractor
- Riverside Plumbingplumbing contractor
- Biagi Plumbing Corporationplumbing contractor
Showing 5 of 324. 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.
Frequently asked
- How many plumbing contractors are in Chicago city, IL?
- LocalVein's latest scan of Chicago city identified 324 active plumbing contractors. Median review count is 74, with a median Google rating of 4.8 stars. Refreshed April 2026.
- How does LocalVein rank plumbing leads for vulnerability?
- Plumbing contractors in Chicago city are comparatively healthy on the obvious signals, so the ranking leans on the composite rather than any one red flag. The median plumbing contractor here scores 19/100, and 3 operators clear 50 — the band where new agency outreach tends to land. The score is a shortlist heuristic — drill into any operator to see which signals it lost points on before you call.
- What percent of Chicago city plumbing contractors have no website?
- 16% 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) is a Core-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 is re-checked whenever a user scans the vertical. Chicago 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 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 324 businesses
- Full phone numbers
- Ranked by vulnerability score
- Demographic intelligence per market
- Generic CSV export (CRM-ready)
See every Chicago city plumbing contractor's score, phone, and line type
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