Google Ads vs Facebook ads for borderplex businesses

Google Ads is usually the better first choice when customers search for you at the moment they need you: a plumber, an AC repair in June, a tow, a lawyer. Facebook and Instagram ads are usually the better first choice when customers decide by seeing something, such as a plate of food, a haircut, a venue or a new arrival on the rack. On a small budget, pick one and do it properly instead of splitting it between both.

That’s the short answer. The rest of this guide explains how each one charges, where small budgets go wrong, and what changes when your customers live on both sides of the river.

How each one works

Google search ads appear when someone types a search, like “water heater repair El Paso” or “dentista cerca de mí”. With cost-per-click bidding, which is the usual setup, you pay for each click on your ad. You set an average daily budget, and Google’s help page says a campaign can spend up to twice that amount on a given day, but by the end of the month no more than 30.4 times the daily figure. Plan in monthly terms.

Local Services Ads are a separate Google product for certain trades and professions: HVAC, plumbers, electricians, locksmiths, roofers, house cleaners, pest control, and some lawyers, dentists and real estate agents. Google screens the business first, and you pay per lead instead of per click. Availability depends on the category and the location. Google has also announced that these ads are moving into Performance Max campaigns with pay-per-lead goals, starting in August 2026 for select US businesses, still billed per lead.

Facebook and Instagram ads show up while people scroll, to an audience you choose by place, age and interests. Nobody typed a search, so the ad has to stop the thumb. You give Meta a budget and a goal, such as messages, calls or website visits, and its system learns who to show the ad to.

Side by side

What changes on the border

Spanish ads are their own ads

The Census Bureau’s 2024 survey counts 63% of El Paso residents age five and up speaking Spanish at home. Google’s language targeting matches ads to the languages people understand, using signals like the language of the search and their settings. That only helps if there is a Spanish ad to show. Write the Spanish version yourself (or have a native speaker do it) and send the click to a Spanish page, not a translated widget; the bilingual website guide explains why.

Choose who counts as “in” your area

Google offers two location settings. “Presence or interest”, the setting Google recommends, reaches people in your target area and people who have shown interest in it. “Presence” reaches only people physically there, and Google suggests it when you only want people in specific locations. Radius targeting goes down to 1 km.

For a plumber in Northeast El Paso, “Presence” keeps the budget on people the truck can reach. For a furniture store on the Eastside that wants shoppers from Juárez, the broader setting, or targeting Juárez directly with Spanish ads, can make sense. The point is to choose it on purpose.

WhatsApp is the reply button for Mexico

The Asociación de Internet MX’s 2026 study found 91% of urban Mexican internet users have an active WhatsApp account and 85% use Facebook. Meta’s ads can open a WhatsApp chat with your business instead of a web page, which suits customers who would rather ask on WhatsApp than fill out a form. On the US side, Pew’s 2025 survey found 71% of American adults use Facebook and 50% use Instagram, with Instagram use at 62% among Hispanic adults.

Some ads have extra rules

Meta requires US advertisers, and advertisers targeting the US, to declare ads for housing, employment and financial products and services. Those campaigns must include ages 18 to 65 and all genders, a city target includes a 15-mile radius, and some detailed targeting is unavailable. If you sell homes, hire staff or offer loans, plan for a broader audience than you’d pick on your own.

The honest part about small budgets

Nobody can tell you how many calls a dollar buys before looking at your keywords and your market. Here’s what the platforms themselves say, and what follows from it.

Check prices before you pick Google. Google’s Keyword Planner shows the average cost for an ad to appear on searches for a keyword (you need billing set up in Google Ads to use it). If clicks for your trade are expensive, a small daily budget buys only a few of them, and a few clicks may not produce a single call in a week. That’s not failure, just not enough data yet.

Give Meta enough results to learn from. Meta describes a learning phase in which its system figures out who to show an ad to, and ad sets that don’t get enough of the result they’re optimized for get labeled “Learning limited”. A small budget aimed at a rare result, like a booked install, is the classic way to land there. A more frequent result, like a WhatsApp message, gives the system more to learn from.

Track calls and forms before you judge. Google’s conversion measurement can count website actions and phone calls, and Meta has its own tools. Without tracking, you’ll end up judging by gut, and the gut usually picks whichever platform sent the last customer.

One channel, one service, one area, a fixed period. Run it long enough to count, then decide. If you have room for a second channel later, add it then, with the first one’s numbers in hand.

Fix the landing spot first. Ads send people somewhere. If that’s a slow page with no phone button, or a Google Business Profile with the wrong hours, you pay for clicks that go nowhere. Our Google Business Profile guide covers the profile.

Which to try first, by type of business

• Plumbing, HVAC, electrical, pest control, locksmiths: Google search, or Local Services Ads if your category is available here.
• Restaurants, food trucks, bakeries: Instagram and Facebook, with a Business Profile that has current hours and photos.
• Salons and barbershops: Instagram, with a link straight to booking or WhatsApp.
• Lawyers, dentists, clinics: Google search; Local Services Ads where eligible.
• Real estate: either one, under Meta’s Special Ad Category rules on Facebook.
• Juárez businesses selling to El Paso, or the reverse: Meta ads that open WhatsApp, and Google ads in both languages aimed at the other city. Our guide to reaching El Paso customers from Juárez goes further.
• Event venues and party rentals: Facebook and Instagram, where photos do the selling.

What nobody should promise you

No one can promise a cost per lead before your ads run, and no one can promise results from either platform. An agency that does is guessing out loud. What you can expect is a clear setup, honest tracking and a plain report on what came in.

How Rodco Systems handles this

We run Google Ads and Facebook and Instagram ads in accounts that belong to you, so Google and Meta bill your card directly and the data stays yours. We write the Spanish ads in Spanish. If you don’t have a page worth sending clicks to, we’ll make you a free sample of your home page, ready in one business day, before you pay anything. We meet in person in El Paso and Las Cruces, and by video call or WhatsApp with businesses in Juárez.

Rodco Systems, El Paso, Texas.