Google Ads Audience Targeting: Stop Bidding the Same for Every Click

Most contractor Google Ads accounts treat every click the same. A homeowner who visited your plumbing page three days ago and is now searching “plumber near me” gets the same bid as someone who has never heard of your business. That is the wrong approach. One of those searches is worth two to three times more than the other, and Google’s audience targeting tools let you bid accordingly.

Audience targeting in Google Ads lets you adjust your bids, or restrict who sees your ads entirely, based on who the searcher is and not just what they typed. Three tools matter most for home service contractors: Remarketing Lists for Search Ads (RLSA), Customer Match, and In-Market Audiences. Each one is available in your existing Google Ads account and costs nothing beyond the ad spend you are already making. Most contractor accounts have none of them set up.

RLSA: Past Website Visitors Are Your Best Search Audience

RLSA lets you bid differently for people who have already visited your website when they search on Google again. The mechanics are simple: Google’s tag on your website adds a visitor to a remarketing list, and when that person searches a relevant keyword later, your bid adjustment fires automatically.

The conversion rate difference justifies aggressive bids. RLSA audiences account for 6 to 8 percent of total search clicks but drive 15 to 20 percent of total conversions. Past visitors convert at roughly two to three times the rate of cold traffic. One documented case showed RLSA audiences converting at 6.57 percent versus 2.51 percent for new visitors. The homeowner who visited your roof replacement page two weeks ago and is now searching “roofing company near me” is not the same prospect as someone searching that term for the first time.

Build audience lists based on which pages visitors hit. A visitor to your HVAC service page is higher intent than someone who read a blog post. Someone who reached your contact form and did not submit it is the highest-intent audience you can build from your own site traffic:

Standard RLSA lists require a minimum of 1,000 active users for Search campaigns. If your site gets fewer than 30 to 40 unique visitors per day, it will take weeks to build a usable list. Start in Observation mode now so the list builds while your campaigns run. Observation mode collects the audience data without restricting who sees your ads.

Customer Match: Reach Your Past Customers Before They Call Someone Else

Customer Match lets you upload a list of your past customers (email addresses, phone numbers, physical addresses) and have Google match those records to signed-in Google accounts. Once matched, you can bid more aggressively for those people when they search for your services, serve them specific retention or upsell ads, or exclude them from acquisition campaigns where you are paying to find new customers.

The list size threshold dropped from 1,000 users to 100 users in 2024 and 2025. Previously, a small plumbing company with 200 past customers would not meet the minimum. Now they do. US Small Business Administration data shows roughly 90 percent of small businesses have fewer than 1,000 customer records, which means this change unlocks Customer Match for almost every contractor running Google Ads.

Match rates run between 30 and 70 percent depending on how many data fields you include. Upload email plus phone number plus mailing address for the highest match rate. Email alone consistently returns lower matches than all three fields combined. Processing takes up to 48 hours after upload.

Seasonal re-engagement is the most direct use case. In March, upload every customer who had an AC tune-up or repair in the prior year and apply a 100 to 150 percent bid adjustment on your cooling service campaigns. Those customers already know your work and are more likely to book than any cold prospect you can reach. In September, repeat the process for heating customers ahead of the furnace season.

One update from April 2025: Customer Match lists now have a maximum membership duration of 540 days. Lists need at least 100 members added or refreshed within that window to stay active. Set a quarterly reminder to re-export your customer database from your CRM or job management software and re-upload it. A stale list loses its members and its value.

In-Market Audiences: Google’s Built-In Intent Signals

Google builds In-Market Audience segments from billions of search queries, YouTube views, and website visits across its network. When someone searches for information about HVAC systems, reads multiple articles about furnace repair, and visits contractor websites, Google places them in the Home and Garden: HVAC in-market segment. You did not put them there. Google did, based on observable behavior.

For contractors, the relevant segments include Home and Garden: HVAC, Home and Garden: Plumbing, Home and Garden: Roofing, Home and Garden: Landscaping and Lawn Care, Real Estate: Moving and Relocation, and Real Estate: Residential Properties. The Moving and Relocation segment is particularly valuable because people relocating need every home service simultaneously and have not yet built contractor relationships in their new market. New homeowners are also 400 percent more likely to need HVAC services in their first year than established homeowners.

Add in-market audiences to all your search campaigns in Observation mode. Run them for 30 days and check which segments show above-average conversion rates in your Audience Manager. Apply positive bid adjustments of 15 to 30 percent to the segments performing above your campaign average. Do not restrict targeting based on these audiences until you have at least 30 days of conversion data showing the segment converts reliably.

What Changed Between 2023 and 2026

If someone set up your Google Ads account before 2023 and has not updated the audience strategy, one tool you may have heard about no longer exists. Google deprecated Similar Audiences in May 2023 and removed them from all campaigns by August 2023. Similar Audiences let you find new users who resembled your customer list or past converters. They are gone. If your account documentation or agency strategy still references Similar Audiences, that section is outdated and should be discarded.

The replacement for Search campaigns is Smart Bidding. Google’s automated bidding system uses your RLSA lists and Customer Match uploads as signals automatically when optimizing bids. For Display and Video campaigns, the replacement is Optimized Targeting, which Google now enables by default on new campaigns.

This introduces an important operational point that most contractors and their agencies miss. If you are using Smart Bidding, meaning Target CPA, Maximize Conversions, or Target ROAS, manual audience bid adjustments are ignored. Smart Bidding uses your uploaded audiences as signals in its own model and does not apply the +50% or +100% adjustments you set in the interface. Those manual adjustments only function with manual CPC bidding.

The correct approach with Smart Bidding is to add audiences in Observation mode, which tells Google to factor those audiences into its own optimization without you manually overriding the bids. Do not skip adding audiences just because Smart Bidding is active. The signals still improve campaign performance. You just cannot see or control the exact adjustment the algorithm applies.

Three Actions for This Week

1. Add RLSA audiences to your highest-spend campaign in Observation mode. In Google Ads, navigate to your campaign, click Audiences, and add All Website Visitors with date windows of 30, 60, and 90 days as separate lists. If your site has service-specific URLs like /hvac-repair or /water-heater, add those page visitors as separate segments. Add the contact or quote page visitors as their own list. Set everything to Observation. After 30 days, return to the Audiences report and apply bid adjustments to any segment converting at least 25 percent above your campaign average.
2. Build your first Customer Match list this week. Export your customer contact records from your CRM or job management software such as ServiceTitan, Jobber, or Housecall Pro. Include email, phone, and mailing address columns. Format the file using Google’s Customer Match template, available in Audience Manager under the upload option. Upload the list and allow 48 hours for matching. If the list returns fewer than 100 matched users, add more records or include additional data fields. Apply a 75 to 150 percent bid adjustment on campaigns targeting your core service keywords, and set it to activate ahead of your next busy season.
3. Add in-market segments to your campaigns and review the data in 30 days. In your top-spending search campaign, go to Audiences and select Browse. Navigate to In-Market Audiences, then Home and Garden, and add the segments for your trade. Also add Real Estate: Moving and Relocation if you serve residential customers. Set all to Observation mode. After 30 days, check conversion rate by segment. Any in-market segment converting more than 25 percent above your campaign average is a strong candidate for a 15 to 30 percent bid increase.

Keyword targeting tells Google which searches to enter. Audience targeting tells Google who is worth paying more to reach when those searches happen. A homeowner who knows your business and visited your service page last week is worth more than a cold prospect typing the same words. The tools to act on that difference are already in your Google Ads account, available at no extra cost, and used by a small fraction of contractors in your market.