How Much Should Contractors
Spend on Google Ads?
Strategies, formulas, and benchmarks for your google ads budget.
How Much Should Contractors
If you’re a contractor using Google Ads, one of the first questions you’re probably asking is: How much do I actually need to spend?
A roofer, plumber, electrician, landscaper, and bathroom remodeler can have completely different costs, job values, competition levels, and close rates.
The right Google Ads budget is the amount required to generate enough profitable jobs to meet your growth goals—without spending beyond what your market or team can handle.
That’s what we’re going to figure out in this guide.
We’ll cover how much Google Ads leads typically cost, what a realistic budget looks like, and strategies you can use to get the most bang for your buck.
Let’s get into it.
The Quick Answer: How Much Should a Contractor Spend on Google Ads?
If you just want a rough planning range, here’s a useful starting point:
$1,000-$2,000. A lean budget like this is best spent towards a single location or service to maximize results and get enough data to make better decisions.
$2,000-$5,000. With a larger budget, you can now expand into multiple cities and services.
$3,000-$10,000. If you plan to use Google Ads in competitive trades or locations, you will have more competition, and naturally, it becomes expensive.
$10,000-$50,000. For companies that want to grow quickly or have more than one location, you will need a large budget to cover geotargeting and be competitive.
Keep in mind these aren’t hard. They’re starting points.
A contractor in a small town might generate excellent results with $1,500 per month.
A roofing company in Dallas could burn through that in a few days.
The biggest variables are:
- Your trade
- Your location
- Competition
- Cost per click
- Cost per lead
- The services you’re advertising
- Your website or landing-page conversion rate
- Lead quality
- Your sales close rate
- Average job value
So instead of asking, “What’s a normal Google Ads budget?”
A better question is, “How much can I profitably spend to acquire the number of jobs I want?”
That’s the number that matters.
What Does Google Ads Cost for Contractors?
Let’s start with some real numbers.
LocaliQ analyzed more than 3,200 home-services search campaigns running from April 2024 through March 2025.
Across home services, the median results included:
- $7.85 cost per click
- 7.33% conversion rate
- $90.92 cost per lead
But the average hides a huge difference between trades.
Here’s what the cost-per-lead data looked like:
That’s a massive range.
A $2,000 budget at a $50 cost per lead could theoretically generate around 40 leads.
At a $200 cost per lead, the same budget generates around 10.
You have to consider your industry, target audience, and location. It greatly changes your Google Ads budget and cost per lead.
Start With Jobs, Not Your Advertising Budget
This is probably the most important concept in this article. Most contractors approach Google Ads blindly.
They can afford, let’s say, $1,500. That’s what they set as their budget and hope for the best.
Instead, you should try reversing the process.
How many more additional jobs do you want every month and that you have the resources to maintain?
Imagine you’re a bathroom remodeling contractor.
You want 5 additional jobs per month. You normally close 25% of qualified leads. That means you need roughly 20 qualified leads to generate 5 jobs.
If you expect those leads to cost $150 each:
20 × $150 = $3,000 monthly Google Ads budget.
Now you have a budget tied to an actual business goal. That’s much better than randomly selecting $2,000.
A Simple Google Ads Budget Formula for Contractors
Building off of our last point, you can use this formula to figure out your Google Ads budget as a contractor:
Jobs wanted ÷ close rate = leads required
Then:
Leads required × expected cost per lead = advertising budget
Let’s use a plumber. The company wants 10 additional jobs. They close 40% of paid leads.
10 jobs ÷ 0.40 close rate = 25 leads needed.
Their expected cost per lead is $130, meaning they need a monthly budget around $3,250.
25 × $130 = $3,250
A reasonable starting monthly budget would therefore be around:
$3,250
Now we’re making a business decision instead of guessing.
Let’s dive deeper into this.
1. Calculate What Matters: Your Profit
Lead volume and costs alone aren’t enough. You need to calculate the revenue you would drive from Google Ads to get the best picture.
Let’s say you spend $1,000 and generate 20 leads. That gives us a $200 CPL.
That sounds expensive, right? Well, what if your average project costs $10,000? Even if you close 1-2 of those leads, you’re generating $10,000-$20,000 in revenue with a huge ROI.
That’s an exercise we suggest or do with a lot of our clients at Mastro Digital.
It’s easy to be intimidated by spending on paid ads or other digital channels.
However, when you see the math and the revenue it can turn into, it becomes a completely different beast.
2. Know Your Acquisition Costs
In paid advertising, one of the most important metrics is your customer acquisition cost, commonly called CAC.
What it really boils down to is: how much advertising money does it cost to produce a paying customer?
If you’re paying $150 per lead and closing 25%, you need roughly four leads for every job.
Your estimated customer acquisition cost is $600 with these numbers in mind.
Now compare that $600 to the gross profit from the job.
If you’re making $5,000 in gross profit from an average project, paying $600 to acquire the customer may be excellent.
If you’re making $300, it’s a problem.
This is why two contractors can run virtually identical Google Ads campaigns and have completely different opinions about whether the platform works.
Their business economics are different. Which brings us to our next point.
3. Revenue Does Not Equal Profit
Here’s an easy mistake to make.
Let’s imagine your average project is $10,000.
So you think:
“I could easily spend $2,000 getting that customer.”
Not necessarily. What does the job leave after:
- Labour
- Materials
- Subcontractors
- Equipment
- Disposal
- Sales commissions
- Direct job costs
Maybe that $10,000 project produces $3,500 of gross profit. That’s the number you should compare against your acquisition cost.
You don’t pay Google with revenue. You pay Google with the margin left after delivering the work.
Location Can Completely Change the Budget
Google Ads is an auction. You’re competing against other companies bidding for the same searches.
A contractor advertising in major cities like Toronto or New York can face much more competition than someone operating in a smaller regional market.
Even areas 30 miles apart can behave differently. You also have to consider your service radius.
If you target one city or specific zip codes, your budget goes further.
If you target an entire state, you’ve dramatically increased the amount of potential traffic your budget has to cover.
Start with the markets that matter most. You can always expand later.
The Service You're Advertising Matters Too
Not all keywords have equal value.
Consider a plumber. These searches aren’t equivalent:
“how to unclog sink” and “emergency plumber near me.”
The second search has much stronger commercial intent. More contractors want that traffic.
Competition rises. The click becomes more expensive. But it can also be much more valuable.
The same applies to:
- Roof replacement vs roof maintenance tips
- AC installation vs HVAC information
- Kitchen remodeler vs kitchen design ideas
- Electrician near me vs electrical diagram
- Window replacement company vs window styles
- Etc.
A good Google Ads campaign doesn’t simply chase cheap clicks.
It pays for searches that have a realistic chance of becoming revenue.
Don't Spread a Small Budget Across Too Many Campaigns
Suppose you have a $2,000 budget. You create campaigns for:
- Roofing
- Windows
- Siding
- Gutters
- Doors
- Bathrooms
- Kitchens
- Decks
Now each service barely has any money.
Instead, ask: Which one or two services do we actually want to grow?
Maybe your bathroom remodels:
- Have great margins
- Close well
- Fit your crew
- Have plenty of demand
Start there. Get the campaign working. Then expand.
I’d rather have a well-funded campaign for one profitable service than eight starving campaigns that never collect enough meaningful data.
Your Landing Page Changes How Much You Need to Spend
This is a massively overlooked detail we notice when managing paid ads for contractors and home services companies.
The landing page, which is where we send traffic, is often not given the attention it deserves.
Suppose two contractors both pay $10 per click and buy 200 clicks. That’s $2,000.
Contractor A’s website converts at 5% which equals 10 leads and a $200 cost per lead.
Contractor B’s landing page converts at 10% which is 20 leads and a $100 cost per lead.
Which would you say is better? Contractor B, of course.
They spent exactly the same amount but one generated twice as many leads.
That’s why improving your website can effectively make your advertising budget more powerful.
Google specifically recommends closely matching landing pages with the ads and keywords that send people there. The platform evaluates landing-page experience and ad relevance as important measures of ad quality.
For contractors, your landing page should make a few things immediately clear:
- What service you provide
- Where you provide it
- Why the homeowner should trust you
- What happens next
- How to contact you
Use:
- Reviews
- Before-and-after photos
- Certifications
- Guarantees
- Financing information
- Clear phone numbers
- Short forms
- Strong calls to action
Don’t pay $15 for a click and then make the homeowner work to figure out what you do.
When Should You Increase Your Google Ads Budget?
More budget makes sense when you’ve proven the existing budget produces profitable business.
Look for these signals:
- You’re profitable: The leads are turning into jobs at an acceptable acquisition cost.
- You’re losing traffic due to budget: Google Ads can show how often budget limitations restrict your campaign.
- Your sales team can handle more activity: Don’t generate 100 leads if your office can only properly follow up with 40.
- You have crew capacity: Marketing shouldn’t fill a schedule your operations team can’t service.
- Lead quality is stable: More volume isn’t valuable if expanding targeting suddenly produces garbage inquiries.
- Market demand: If you are not hitting a ceiling or experiencing seasonality, be aggressive and keep scaling.
You don’t have to check off all these boxes. But, if you see some of these signs, it’s a hint to continue testing raising your Google Ads budget.
Final Thoughts on How Much Contractors Should Spend on Google Ads
There is no perfect Google Ads budget for every contractor. And that’s actually a good thing.
Because once you understand the numbers, you don’t have to guess.
Start with the jobs you want. Work backward to the leads you need. Estimate what those leads will cost.
Compare your customer acquisition cost against your gross profit. Then launch, measure, and improve.
The goal isn’t to spend as little as possible.
It’s to spend as much as you can profitably and operationally handle while continuing to generate the kinds of jobs you actually want.
That’s the difference between simply “running Google Ads” and using paid search as a predictable growth channel.
Reach out for a free consultation to learn about our paid ads management services.