70 Plumbing contractors in Portland city, ME — scored for agency prospecting
Portland city has 70 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 2 out of 100. About 13% 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 Portland city
Portland city's housing stock is genuinely old — the median home was built in 1946. For plumbing contractors, that's a structural tailwind. Pre-1970 housing carries original-spec systems that have aged out of design life: cast-iron drain stacks, cloth-wrapped wiring, single-pane glazing, slate or 3-tab asphalt at end-of-cycle. Replacement work in this market isn't optional — it's a matter of when, not whether — which makes plumbing demand far more predictable than in newer markets.
With 70 registered plumbing contractors, Portland city sits in the sweet spot for direct outreach: few enough that personal touches scale, many enough that the agency can build a real pipeline without burning the list in a month. Operators falling short of the 99-review median represent the natural first-call shortlist — they're established enough to have budget but behind enough on review velocity to feel the competitive pressure every week.
0% of plumbing contractors in Portland city — 0 operators out of 68 — register a vulnerability score above 50 in LocalVein's model. 13% 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 70 plumbing contractors land on the 0–100 score
A sample of Portland city plumbing contractors we've profiled
- Rescue Rooterplumbing contractor
- Roto-Rooter Plumbing & Water Cleanupplumbing contractor
- Chase Plumbingplumbing contractor · 5.0★ · 1 review
- River City Plumbing Llcplumbing contractor · 4.8★ · 4 reviews
- Imperial Plumbing & Heatingplumbing contractor · 4.3★ · 12 reviews
Showing 5 of 70. 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 Portland city, ME?
- LocalVein's latest scan of Portland city identified 70 active plumbing contractors. Median review count is 99, with a median Google rating of 4.9 stars. Refreshed April 2026.
- How does LocalVein rank plumbing leads for vulnerability?
- Plumbing contractors in Portland 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 2/100, and 0 operators clear 50 — the band where new agency outreach tends to land. Each operator carries the per-signal breakdown, so you can sort the list by the gap you pitch best.
- What percent of Portland city plumbing contractors have no website?
- 13% of plumbing contractors in Portland 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 Portland 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 Portland 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 Portland city plumbing list refreshed?
- Each plumbing contractor record is re-checked whenever a user scans the vertical. Portland 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 Portland 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 70 businesses
- Full phone numbers
- Ranked by vulnerability score
- Demographic intelligence per market
- Generic CSV export (CRM-ready)
See every Portland city plumbing contractor's score, phone, line type, and contact email
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