Plumbing contractors leads in Haverhill city, MA — 39 scored businesses
Haverhill city has 39 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 9 out of 100. About 18% 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 Haverhill city
Pre-1970 is the majority in Haverhill city: a median build year of 1964 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.
Haverhill 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.
0% of plumbing contractors in Haverhill city — 0 operators out of 39 — register a vulnerability score above 50 in LocalVein's model. 18% 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 39 plumbing contractors land on the 0–100 score
A sample of Haverhill city plumbing contractors we've profiled
- M.A.D. Plumbing and Heating Co.plumbing contractor
- Hood Plumbing & Heating Incplumbing contractor
- Hollins Plumbing & Heatingplumbing contractor
- A1 Central Plumbing Service Merrimac MAplumbing contractor
- Fred J Cotter 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 Haverhill city, MA?
- LocalVein's latest scan of Haverhill city identified 39 active plumbing contractors. Median review count is 33, with a median Google rating of 4.8 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 Haverhill 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 Haverhill city plumbing contractors have no website?
- 18% of plumbing contractors in Haverhill 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 Haverhill 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 Haverhill 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 Haverhill city plumbing list refreshed?
- Each plumbing contractor record is re-checked whenever a user scans the vertical. Haverhill 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 Haverhill 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 Haverhill city plumbing contractor's score, phone, and line type
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