How many Google reviews does a plumber need to win the call?

Search “plumber near me” with water on the floor and you will not read twenty reviews. You will glance at three names on a map, a star rating and a number in brackets, and you will call one of them within a minute. That number in brackets is what this guide is about. How big does it need to be?

The honest answer starts with a disappointment: nobody has published a credible figure for plumbers specifically. What exists is what Google says about ranking, survey data about how consumers read reviews, and the review counts of your actual competitors, which you can check yourself.

What Google says

Google explains local results with three factors: relevance, distance and prominence (Google). Reviews sit in the third one. In Google’s words, prominence is “based on info like how many websites link to your business and how many reviews you have. More reviews and positive ratings can help your business’s local ranking.”

Two things follow. Reviews help you appear, but they are one input among several, and distance is one you cannot change. A plumber across town with four hundred reviews will not always beat you for a customer on your street. Google also states there is “no way to request or pay for a better local ranking.”

Google adds a detail plumbers should know. For some service businesses, customers can rate specific aspects of the job and pick the task you performed from a list. That list comes from “the merchant’s service list, website (if available), or the standard list of tasks based on the business type” (Google). Keep your services list complete in your Business Profile, so the reviews you get describe the work you want more of.

What customers say

The most detailed recent data comes from BrightLocal’s Local Consumer Review Survey 2026, a representative panel of 1,002 US adults, published in February 2026 (BrightLocal). It covers all local businesses, not plumbers alone, and it measures what people say rather than what they do. With those limits in mind, its findings on review counts are blunt:

• 47% of consumers say they will not use a business with fewer than 20 reviews.
• Only 9% are willing to use a business with five reviews or fewer.

On recency:

• 74% look for reviews written in the last three months.
• 32% look for reviews from the last two weeks, and 18% are only swayed by reviews from the last week.

On the star rating:

• 68% will only use a business with four stars or more, up from 55% the year before.
• 31% will only use one with 4.5 stars or more, up from 17%.
• Only 10% insist on a perfect five.

Read together, the survey points to two thresholds. Below about 20 reviews you lose a large share of people before they call. Below four stars, you lose most of them. Above that, freshness starts to matter more than volume.

Why fresh reviews matter more for a plumber

A plumbing call is often urgent and always about trust: someone is about to let a stranger into their home. A profile with 80 reviews, the latest from two years ago, raises a fair question: is this business still the one those people reviewed? A profile with 35 reviews, three of them from this month, answers it.

That shifts the goal from a total to a pace. Twenty reviews collected in one burst and then nothing will look stale within a season. Two or three a month, every month, keeps your profile inside the window most customers check.

Find your own number in fifteen minutes

Your real competition is not “plumbers” in general. It is the three or four businesses Google shows next to you on the map for the searches your customers make. Here is how to measure them:

1. Search like a customer. On your phone, from a neighborhood you serve, search “plumber”, “plumber near me” and “plumber [your town]”. Repeat for an emergency term you care about, such as “water heater repair”.
2. Write down the map results. For each business in the map pack: number of reviews, star rating, and the date of its newest review.
3. Note where you stand, or whether you appear at all.
4. Set a target. Aim to match the review count of the business in third place, then beat its pace. If its newest review is from last week, so should yours be.

Do this once a quarter. It takes fifteen minutes and gives you a number that means something in your market.

The rating math, in one formula

Your Google rating is “the average of all ratings published on Google” for your business, and Google says an updated score can take up to two weeks to appear (Google). Because it is a plain average, you can work out how many new five star reviews it takes to reach a target rating:

New five star reviews needed = current count × (target rating minus current rating) ÷ (5 minus target rating)

Example: with 20 reviews averaging 4.3 and a target of 4.5, you need 20 × 0.2 ÷ 0.5 = 8 new five star reviews. With 100 reviews at 4.3, you need 40. The bigger your history, the slower it moves, which is one more reason to keep a steady flow instead of chasing a burst.

That formula is planning arithmetic, not a script. You cannot ask only the customers you expect to give five stars: Google bans selectively soliciting positive reviews (Google). Ask everyone, and let the average take care of itself.

How to keep the flow going

For most small plumbing businesses the limit is not willingness. It is remembering to ask after every job. Three practical options:

• A saved text with your Google link, sent the same evening. Free, and enough for many owner operators. Templates are in how to ask for a Google review by text.
• Automation from software you already use or a dedicated tool. Jobber’s Reviews feature sends requests after a job closes or an invoice is paid (Jobber); NiceJob’s Starter plan at $75 a month automates text and email requests (NiceJob).
• A tool that prepares the request for you to send. Own Your Ratings, made by Pikwize’s publisher, opens the text on your own phone and tracks who clicked; Pro is $35 a month (Own Your Ratings).

All of them are compared in the best review request tools for contractors. Whichever you use, stay within Google’s rules on asking for reviews.

The short answer

If you need a number to start with, aim for at least 20 reviews, a rating of four stars or more, and something new every month. Then replace that generic number with the one that matters: the review count of the plumbers on the map next to you.