The short version
Moles are usually one to three animals. Find an active tunnel, then trap it. Repellents and sonic stakes rarely work.
- Usually one to three moles.
- Find an active runway first.
- Traps work best; repellents rarely do.
- Moles eat earthworms, not plants.
- Fix the lawn after trapping.
Anyone in San Antonio watching their lawn get dug up.
What to look for
Moles don't eat plants. They hunt earthworms and grubs. Their tunnels lift turf, dry out roots and trip people up. Moles around San Antonio are busiest in spring and fall. They tunnel near the surface after rain. One mole can dig a lot of tunnel.
- 1Raised ridges across the lawn.
- 2Round, volcano-shaped dirt mounds.
- 3Spongy patches underfoot.
- 4Tunnels along walkways and beds.
- 5Fresh mounds after rain.
- 6Dead turf strips over tunnels.
Why it’s worth acting soon
- Tunnels spread across the lawn.
- Mounds make mowing harder.
- Ridges become trip hazards.
- New moles move into empty tunnels.
Treatment options and typical costs
Runway Identification and Activity Survey
$75–$200
Not every ridge is active. Moles abandon many feeding tunnels after one pass. The survey finds the main runways connecting nests to feeding areas. Those straight, long-used tunnels are where control in San Antonio works best.
- Time
- 45–90 minutes
- Best for
- Every job; trapping fails without it
Active-Runway Trapping
$150–$400 per visit; multi-visit plans $300–$900
Trapping in San Antonio is a process rather than a one-time visit. Sets are checked, moved, and repeated until activity stops. Providers around San Antonio usually price this as a plan with a set number of visits.
- Time
- 30–60 minutes per visit, over several visits
- Best for
- Most yards; the most reliable method
Lawn, Moisture, and Bed Exclusion Work
$150–$450 depending on scope
Yards next to woods, fields or creeks keep getting new moles. Exclusion barriers protect the beds that matter most in San Antonio while the open lawn is managed by trapping. This mix gives San Antonio homeowners a realistic long-term plan.
- Time
- 1–4 hours
- Best for
- Repeat problems; protecting beds and small areas
Mole-Labeled Baits
$100–$300 per application
In larger San Antonio properties where trapping every runway is impractical, mole-labeled baits can reach tunnels traps cannot cover. They go into active tunnels and the openings are closed. Pets and children should be kept off treated San Antonio runways per the label.
- Time
- 30–45 minutes
- Best for
- Large or hard-to-trap areas; used exactly as labeled
Prices are typical published ranges. Ask what’s included before you compare quotes.
Hardware cloth buried around beds keeps moles out of the places you care about most.Which moles live around San Antonio.
Moles are insectivores, not rodents. They eat earthworms and grubs, not roots. The eastern mole is the one digging up lawns around San Antonio. It's gray, about six inches long, with big spade-like front feet.
When they tunnel.
Mild winters keep them near the surface. Summer heat and drought also push them down.
Raised ridges are feeding tunnels just under the turf. Many are used once and abandoned.Finding an active tunnel.
If it's raised again, it's active. Main runways often follow edges: walks, fences and beds. Around San Antonio, edges along walks and beds are the best bets. Look for fresh ridges and mounds after rain. Step down a short stretch of tunnel and mark it. Check it in a day or two.
A year of moles in San Antonio.
- Fall: a second burst near the surface. - Summer: highs near 96°F in San Antonio push moles deeper. - Spring: peak tunneling. Best time to trap. - Winter: mild in San Antonio. Moles stay active.
Mole, gopher or vole?
- Vole: surface runways and small holes in the grass. - Gopher: crescent-shaped mounds with a plugged hole. - Mole: raised ridges and round, volcano-like mounds. - Damage: moles don’t eat plants; gophers and voles do.
What works, and what doesn’t.
- Rarely: castor oil, sonic stakes, gum or flooding. - Sometimes: labeled baits, used deep in tunnels. - Works: traps set in active runways. - Rarely alone: grub control, since they mostly eat earthworms.
Protecting garden beds.
Bend the bottom edge outward. Bury quarter-inch hardware cloth around beds, about two feet deep. It's work up front, but it lasts for years. Raised beds can get a mesh floor before you fill them.
Lawn care that helps.
Constantly wet lawns draw earthworms, and moles follow. Water deeply but less often. Grub control alone rarely moves moles on. Healthy turf recovers from tunnels faster.
Signs the problem is over.
- Traps stay untouched for several checks. - Stepped-down runways stay flat. - No new mounds for two weeks. - New ridges? Another mole may have moved in.
Choosing a trap.
- Placement: main runways beat fresh feeding ridges. - Tunnel traps: sit inside a dug-out runway. - Harpoon traps: set on top of a pressed-down ridge. - Scissor traps: set straddling an active runway. - Rules: check what your state allows first.
Mole myths.
- Many mounds, many moles: usually it’s one or two. - Moles eat bulbs: no, voles using their tunnels do. - Castor oil: may move them briefly, not away. - Chewing gum in tunnels: no evidence it works. - Flooding tunnels: they just dig new ones.
Moles aren’t all bad.
They eat grubs and other insect larvae. Moles loosen and aerate soil. In a front lawn or garden, most people want them gone. A mole in a field may be fine to leave.
Fixing the lawn afterward.
Rake mounds flat and step ridges down. Wait until the mole is caught. Overseed bare spots in spring or fall. Water to settle the soil.
Moles, kids and pets.
Keep kids and pets away from traps. Moles don't bite unless handled. Digging dogs can wreck a lawn faster than moles. Baits must go deep in tunnels, exactly as the label says.
What a mole visit looks like.
They test which runways are active. The tech walks the lawn and maps the tunnels. They check traps every day or two. Traps go into the main runways.
Moles, voles or gophers?
- Gophers: crescent-shaped mounds with a plugged hole. - Voles: narrow surface runways through the grass. - Moles: raised ridges and round, volcano-shaped mounds. - Chipmunks: small clean holes with no soil around them.
Watering and moles.
Water deeply and less often instead of a little every day. Moles follow moist soil, where worms rise near the surface. Fix leaky sprinklers that leave soggy corners.
Flower beds and borders.
Plants wilt when their roots are left hanging in air pockets. Moles tunnel under beds looking for worms, not to eat plants. Press tunnels down firmly and water to settle the soil.
Questions to ask before you sign.
- What if another mole moves in? - How often will you check traps? - Which method will you use? - Is it a mole, gopher or vole? - Is lawn repair included?
Moles by the numbers.
For San Antonio homes, because moles are solitary, several fresh ridges usually mean more than one animal. For San Antonio homes, before you hire, walk the yard and flatten a few ridges with your foot, then check back the next day — the ones that are raised again are the active runs a plan should target. For San Antonio homes, moles do not eat plants; they tunnel for earthworms, grubs, and soil insects, and the ridges they leave behind are what most people notice. For San Antonio homes, tunnels often run just under the surface, with deeper nesting chambers below, and a single mole can maintain an extensive system across a yard.
What affects the price
- Provider type: wildlife operator versus lawn company.
- Access around fences, slopes, and dense plantings.
- Lot size and number of active runways.
- State rules that affect trap or bait choices.
- Soil type: rocky or clay ground slows trap sets.
- Property bordering fields, woods, or streams.
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What bothers you most about moles?
When to call for help
Call if new mounds keep appearing for more than a week. if you can't find an active runway. A pro can usually catch the mole within a few visits.
What you can do yourself
Set the trap exactly as the instructions say. Skip sonic stakes, gum and flooding. Trapping yourself can work.
Moles in San Antonio
For San Antonio homes, parks, ballfields and watered yards see the most tunneling. Winters around San Antonio are mild enough that moles can stay active near the surface. San Antonio gets about 33 inches of rain a year, so moles favor watered lawns and shady beds.
Local research
Moles in San Antonio, TX: what the public record shows
Before you compare quotes, it helps to know which moles actually live in Texas, when they are busiest around San Antonio, and what the state figures look like. Everything below links to the agency or university page it came from.
Mole species recorded in Texas
- Eastern mole (Scalopus aquaticus) — Range across most of the eastern U.S. to Wyoming and Colorado; the only mole in Missouri.
When moles are busiest around San Antonio
Most active on damp, cloudy days in spring and fall; trapping is impractical when ground is frozen or very dry.
AgriLife recommends setting harpoon or choker loop traps in a straight, frequently used runway found by depressing tunnels in the evening and checking the next morning.
Rules that apply in Texas
Sources: Texas A&M AgriLife Extension Service; Moles; Virginia Cooperative Extension (Virginia Tech). Figures are quoted as the source prints them. How we check our sources
Simple ways to keep moles away
- Edge beds with buried hardware cloth.
- Check for fresh mounds after rain.
- Act early in spring.
- Fix tunnels only after trapping.
- Skip sonic stakes and castor oil.
Ask what the quote covers if another mole moves in after the first one is caught.Did you know?
Mole mounds have no hole; gopher mounds do
Star-nosed moles can smell underwater using air bubbles
Questions people ask
What is the difference between mole and gopher damage?
Moles push up round, volcano-like mounds and raised ridges. Gophers leave crescent-shaped mounds with a plugged hole to one side.
Are mole baits safe around pets and children?
Use them only as the label directs, deep in tunnels. Traps are often the safer choice.
Can I just flood the tunnels or fill them in?
It rarely works. Moles dig new tunnels or move a few feet away.
Do ultrasonic mole repellers work?
For San Antonio homes, if you try a sonic stake, watch for fresh ridges over two weeks; if activity continues, switch to traps in the active runs. For San Antonio homes, moles have poor eyesight and live almost entirely underground, where airborne sound barely reaches them. For San Antonio homes, there is no scientific evidence that ultrasonic or vibrating devices repel moles, and extension offices consistently advise against relying on them. No.
Are moles rodents?
They eat earthworms and grubs, not plant roots. They're insectivores, related to shrews. No.
Is an annual mole control contract worth it?
For San Antonio homes, compare what each plan includes and ask whether follow-up visits are covered before you commit. For San Antonio homes, a seasonal contract often costs little more than a single visit while covering the peak activity months. It can be, if the animal keeps coming back.
When are moles most active in San Antonio?
Spring and fall, especially after rain. Mild winters keep some activity going year-round.
Are moles common in San Antonio?
Yes.
Nearby cities
Related guides
Sources (3)
The facts in this article come from the public sources listed above. Every home is different, so ask the company you talk to about pricing and what’s included. Published by Mole Exterminator · Updated September 11, 2026 · How we write these guides