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Plumbing contractor prospect list · Fremont, CA

30 Plumbing contractors in Fremont, CA — scored for agency prospecting

Fremont has 30 active plumbing contractors profiled on LocalVein, with a median vulnerability score of 11 out of 100. About 17% operate without a website — the single strongest signal that a local service business is open to hiring a marketing agency.

Businesses
30
Median score
11
No website
17%
Updated
Apr 2026

The plumbing contractor market in Fremont

Fremont's median home was built in 1978, 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.

Only 30 plumbing contractors appear in the Fremont index, and that thinness is actually a gift for agency prospecting: the entire list fits in a single focused week of personalized outreach. No need for template-at-scale tactics — every operator can get a bespoke teardown of their Google presence, their review trajectory, and their ad-pixel status, and the close rate on that kind of direct attention in a sparse vertical tends to run far higher than in any crowded market.

Of 24 plumbing contractors scored in Fremont, 0 carry vulnerability scores above 50 — 0% of the market. 17% 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."

Businesses
30
Median rating
4.9★
Median reviews
19
No website
17%

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 30 plumbing contractors land on the 0–100 score

0–1011–2021–3031–4041–5051–6061–7071–8081–9091–100
Of 30 plumbing contractors scanned, 0 scored above 50 — the zone where agencies report the highest close rates.

A sample of Fremont plumbing contractors we've profiled

  • Topline Campbell Emergency Plumbersplumbing contractor
  • Copperhead Plumbingplumbing contractor
  • Cal Wetzel Plumbing Sewerplumbing contractor
  • A Plus Plumbing, LLCplumbing contractor
  • Service Pro Plumbing & Heatingplumbing contractor

Showing 5 of 30. Vulnerability scores, phone numbers, line types and full enrichment data are available to signed-in members.

How we measure opportunity

Demographic intelligence

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.

Business signals

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.

Scoring weights

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 Fremont, CA?
LocalVein's latest scan of Fremont identified 30 active plumbing contractors. Median review count is 19, with a median Google rating of 4.9 stars. Refreshed April 2026.
How does LocalVein rank plumbing leads for vulnerability?
In Fremont, the signal doing the most work in the plumbing vulnerability ranking is thin review volume (median of 19 reviews) — the kind of gap a marketing agency can close fast. The median plumbing contractor here scores 11/100, and 0 operators clear 50 — the band where new agency outreach tends to land. Treat the score as a starting filter, then open the contributing signals on the operators you actually want to work.
What percent of Fremont plumbing contractors have no website?
17% of plumbing contractors in Fremont 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 Fremont 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 Fremont's plumbing contractors, line types populate on the first paid scan and persist indefinitely — phone line types almost never change.
How often is the Fremont plumbing list refreshed?
Each plumbing contractor record is re-checked whenever a user scans the vertical. Fremont's demographic numbers (population, home value, demographic signals used in the vulnerability score) refresh annually. Most recent refresh on this page: April 2026.
What you see vs. what you get

The rest of plumbing contractors in Fremont is behind a free signup.

Public view (this page)
  • 5 sample businesses
  • Phones masked (last 2 digits)
  • No phone line-type classification
  • No CSV export
  • No vulnerability ranking on the full list
Free plan (a free scan)
  • all 30 businesses
  • Full phone numbers
  • Ranked by vulnerability score
  • Demographic intelligence per market
  • Generic CSV export (CRM-ready)
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See every Fremont plumbing contractor's score, phone, line type, and contact email

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