Paid Advertising
Why Contractors Waste Money on Google Ads (And How to Fix It)
If you run a roofing, HVAC, plumbing, or remodeling company, you have probably tried Google Ads at least once. You set a budget, the clicks came in, and then the leads turned out to be spam, job seekers, or people three states away looking for something you do not do. So you turned it off and decided ads do not work for contractors.
The ads work. The setup is what fails. I have looked at enough local ad accounts to tell you the same handful of mistakes show up almost every time, and every one of them is fixable.
Mistake one: broad keywords that match everything
When a campaign is set up quickly, the keywords are usually broad. Bid on the word roofer and Google will happily show your ad to someone searching for roofer jobs, roofer salary, or how to become a roofer. You pay for every one of those clicks.
The fix is tighter keyword matching and a negative keyword list. Negative keywords tell Google which searches to stay out of. Words like jobs, salary, DIY, free, and how to should be blocked from day one on a contractor account. This one change often cuts wasted spend by a third.
Mistake two: sending clicks to your homepage
Your homepage talks about everything you do. Someone who searched for emergency water heater repair does not want everything. They want a page that says you fix water heaters, in their town, with a phone number they can tap.
Every ad group should land on a page built for that exact service. A roofing ad goes to a roofing page. A generator ad goes to a generator page. When the page matches the search, more visitors call, and Google charges you less per click because your ad is more relevant.
Mistake three: nobody reads the search terms report
Google keeps a report of the exact phrases people typed before clicking your ad. In most contractor accounts I open, nobody has looked at it in months. That report is where you find the spam. It is also where you find gold, real phrases customers use that you never thought to bid on.
This report needs a review every week, especially in the first month. Add the junk phrases to your negative list. Add the good ones as keywords. An account that gets this attention gets cheaper and better every month. An account that does not slowly fills up with garbage.
Mistake four: paying for leads you could have won free
If your Google Business Profile is strong and your reviews are recent, you already show up in the map results for a lot of searches. Paying for ads on those same searches can mean buying clicks you would have gotten anyway. The smart move is to run ads where you are not already winning, like a nearby town you want to expand into, or a high value service where the map results are locked up by bigger competitors.
What a healthy contractor account looks like
Tight keywords grouped by service. A negative keyword list that grows every week. Landing pages that match each service and town. Call tracking so you know which ads produced real conversations, not just clicks. And a monthly review where the question is not how many clicks did we get, but how many booked jobs came out of it.
That is exactly how I run Blitz, my paid advertising service. Google search ads, Meta ads, and boosted content run as one plan, with the search terms reviewed and the landing pages matched to what people actually type. It is $2,000 a month plus 15 percent of ad spend, and it is built for trades where one booked job pays for months of management.
Not sure if your account is wasting money?
If you are running ads now and suspect the leads are junk, you are probably right. The fastest way to know is a fresh set of eyes on the account and the search terms report. Start with the Online Visibility Report and I will tell you plainly what I would fix first.
Frequently Asked Questions
How much should a contractor spend on Google Ads?+
Most local contractors start between $1,500 and $3,000 a month in ad spend. The right number depends on your trade and town. A roofer with a $12,000 average job can profit at a higher cost per lead than a handyman with a $300 ticket.
Why do I get spam leads from Google Ads?+
Spam leads usually come from broad match keywords and missing negative keywords. Blocking terms like jobs, salary, free, and DIY, plus reviewing the search terms report weekly, removes most of them.
Should contractors run Google Ads or rely on their Google Business Profile?+
Both. Your Business Profile wins the map results where you are already strong. Ads pick up the searches where you do not rank yet, like new towns or high value services. Running them together covers the whole page.
How fast do Google Ads work for contractors?+
Ads can produce calls within days of launch. The first month is the tuning period, where negative keywords and landing page fixes bring the cost per booked job down. Expect the account to get noticeably cheaper by month two.
Talk to Miles
Have a question about lead generation or your website?
Book a short call and we will look at where your leads come from, where they slip away, and what to fix first. No pressure, no sales pitch.
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