Plumbing contractors leads in Ann Arbor city, MI — 39 scored businesses
Ann Arbor city has 39 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 9 out of 100. About 31% 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 Ann Arbor city
Ann Arbor 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.
Ann Arbor city's plumbing segment is small — only 39 active plumbing contractors in the index. That changes the prospecting math: agencies can comfortably contact every operator in the market inside a week, which makes manual personalization and direct outreach tractable in a way it isn't in a 300-operator vertical.
Of 39 plumbing contractors scored in Ann Arbor city, 0 carry vulnerability scores above 50 — 0% of the market. 31% 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 39 plumbing contractors land on the 0–100 score
A sample of Ann Arbor city plumbing contractors we've profiled
- Ann Arbor Drain Cleaningplumbing contractor
- Michael Gross Contractorplumbing contractor
- Wenzel Plumbingplumbing contractor
- Rick Owen Plumbingplumbing contractor
- Booth Plumbing & Heatingplumbing contractor
Showing 5 of 39. 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 Ann Arbor city, MI?
- LocalVein's latest scan of Ann Arbor city identified 39 active plumbing contractors. Median review count is 51, with a median Google rating of 4.9 stars. Refreshed April 2026.
- How does LocalVein rank plumbing leads for vulnerability?
- LocalVein blends 19 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 Ann Arbor city's plumbing contractors, the median score is 9, with 0 operators scoring above 50 — those are the most likely to engage with new agency outreach.
- What percent of Ann Arbor city plumbing contractors have no website?
- 31% of plumbing contractors in Ann Arbor 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 Ann Arbor 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 Ann Arbor 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 Ann Arbor city plumbing list refreshed?
- Each plumbing contractor record is re-checked whenever a user scans the vertical. Ann Arbor 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 Ann Arbor 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 39 businesses
- Full phone numbers
- Ranked by vulnerability score
- Demographic intelligence per market
- Generic CSV export (CRM-ready)
See every Ann Arbor city plumbing contractor's score, phone, and line type
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