Best plumbers in Grafton, WI

The highest-scoring plumber in and near Grafton is Austin Plumbing, Heating, Air & Electric (score 87, 4.9 stars from 1,237 Google reviews). 8 companies meet the 5 Star standard within about 16 miles.

Last updated Nov 1, 2026How we rank
  1. 1

    Austin Plumbing, Heating, Air & Electric

    4.9 · 1,237 Google reviewsGermantown, WI87 years in business

    Austin Plumbing, Heating, Air & Electric provides plumbing, heating, air conditioning, electrical, well pump, and water conditioning services in Southeastern Wisconsin. Serving the area since 1939, the family-owned an…

    Financing availableEmergency service
    87SCORE
  2. 2

    Burkhardt Heating, Cooling, Plumbing & Electric

    4.8 · 2,304 Google reviewsMilwaukee, WI
    78SCORE
  3. 3

    Thielmann Heating, Cooling & Plumbing

    4.9 · 653 Google reviewsMequon, WI
    78SCORE
  4. 4

    Hometown Heating, Air & Electric

    4.9 · 689 Google reviewsThiensville, WI
    71SCORE
  5. 5

    J J's Plumbing Heating & Cooling

    4.9 · 82 Google reviewsCedarburg, WI
    70SCORE
  6. 6
    67SCORE
  7. 7

    Seider Heating, Plumbing & Electrical

    4.8 · 253 Google reviewsMenomonee Falls, WI
    66SCORE
  8. 8

    Cliff Bergin & Associates

    4.7 · 425 Google reviewsMequon, WI
    64SCORE

We list only companies that clear our published bar, so this area is still filling in. As more plumbers near Grafton qualify, they'll appear here automatically.

Compare the top 8

Top plumbers in Grafton by 5 Star Score
#CompanyScoreGoogle ratingReviewsYearsBased in
1Austin Plumbing, Heating, Air & Electric874.91,23787Germantown
2Burkhardt Heating, Cooling, Plumbing & Electric784.82,304–Milwaukee
3Thielmann Heating, Cooling & Plumbing784.9653–Mequon
4Hometown Heating, Air & Electric714.9689–Thiensville
5J J's Plumbing Heating & Cooling704.982–Cedarburg
6MGA Sewer, Water & Gas Plumbing Contractor 24hr Emergency Services Available 7 Days A Week674.8134–Milwaukee
7Seider Heating, Plumbing & Electrical664.8253–Menomonee Falls
8Cliff Bergin & Associates644.7425–Mequon

Plumbers in Grafton: quick answers

Who is the highest-rated plumber in Grafton, WI?

Austin Plumbing, Heating, Air & Electric has the highest 5 Star Score among plumbers in and near Grafton: 87 out of 100, with a 4.9 star Google rating from 1,237 reviews.

How many 5 Star plumbers serve Grafton?

8 plumbers meet our standard within about 16 miles of Grafton: at least a 4.5 star rating, 20 or more reviews and a score of 60 or higher. The top 8 have 5,777 Google reviews between them, averaging 4.84 stars.

How are these plumbers ranked?

By 5 Star Score: rating quality adjusted for review count (45 points), review volume (25), review recency (15), years in business (10) and license verification (5). Businesses cannot pay to change their score.

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Ratings and review counts come from each company's public Google listing and are re-checked monthly. 5 Star Home Service Pros is independent; companies cannot pay for placement.