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.
Homeowners in Pittsburgh with tunnels, ridges or mounds in the lawn.
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 Pittsburgh 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
In Pittsburgh, a survey also looks at what is feeding the moles: soil moisture, worm density, and grub activity. Ridges along foundations, walks, and bed edges usually mark main runways. Mapping them first avoids traps in dead tunnels.
- Time
- 45–90 minutes
- Best for
- Every job; trapping fails without it
Lawn, Moisture, and Bed Exclusion Work
$150–$450 depending on scope
A pro may suggest aerating and fixing wet spots. Drier, firmer soil holds fewer worms near the surface. That makes the yard a poorer feeding ground.
- Time
- 1–4 hours
- Best for
- Repeat problems; protecting beds and small areas
Active-Runway Trapping
$150–$400 per visit; multi-visit plans $300–$900
Scissor traps close from the sides; harpoon traps strike down. Both work lawns when placed on a straight, active runway with the soil packed properly. Placement and rechecks matter more than the trap brand in Pittsburgh.
- Time
- 30–60 minutes per visit, over several visits
- Best for
- Most yards; the most reliable method
Mole-Labeled Baits
$100–$300 per application
In larger Pittsburgh 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 Pittsburgh 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.
Round, volcano-shaped mounds come from deeper mole tunnels. Gopher mounds are crescent-shaped with a plugged hole.Which moles live around Pittsburgh.
The eastern mole is the one digging up lawns around Pittsburgh. It's gray, about six inches long, with big spade-like front feet. Star-nosed moles favor wet spots here. Hairy-tailed moles prefer woods. Moles are insectivores, not rodents. They eat earthworms and grubs, not roots.
When they tunnel.
Frozen ground in winter sends them deeper. 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.
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. If it's raised again, it's active. Main runways often follow edges: walks, fences and beds. Lawns from Pittsburgh out to Monroeville and New Castle show the same pattern.
A year of moles in Pittsburgh.
- Summer: highs near 83°F in Pittsburgh push moles deeper. - Fall: a second burst near the surface. - Winter: lows near 22°F in Pittsburgh. Ground freezes; moles go deep. - Spring: peak tunneling. Best time to trap.
Mole, gopher or vole?
- Gopher: crescent-shaped mounds with a plugged hole. - Vole: surface runways and small holes in the grass. - Damage: moles don’t eat plants; gophers and voles do. - Mole: raised ridges and round, volcano-like mounds.
What works, and what doesn’t.
- Sometimes: labeled baits, used deep in tunnels. - Rarely: castor oil, sonic stakes, gum or flooding. - Rarely alone: grub control, since they mostly eat earthworms. - Works: traps set in active runways.
Protecting garden beds.
Raised beds can get a mesh floor before you fill them. It's work up front, but it lasts for years. Bury quarter-inch hardware cloth around beds, about two feet deep. Bend the bottom edge outward.
Lawn care that helps.
Healthy turf recovers from tunnels faster. Grub control alone rarely moves moles on. Water deeply but less often. Constantly wet lawns draw earthworms, and moles follow.
Signs the problem is over.
- Stepped-down runways stay flat. - Traps stay untouched for several checks. - New ridges? Another mole may have moved in. - No new mounds for two weeks.
Choosing a trap.
- Harpoon traps: set on top of a pressed-down ridge. - Tunnel traps: sit inside a dug-out runway. - Placement: main runways beat fresh feeding ridges. - Rules: check what your state allows first. - Scissor traps: set straddling an active runway.
Mole myths.
- Castor oil: may move them briefly, not away. - Moles eat bulbs: no, voles using their tunnels do. - Many mounds, many moles: usually it’s one or two. - Flooding tunnels: they just dig new ones. - Chewing gum in tunnels: no evidence it works.
Moles aren’t all bad.
A mole in a field may be fine to leave. In a front lawn or garden, most people want them gone. Moles loosen and aerate soil. They eat grubs and other insect larvae.
Fixing the lawn afterward.
Water to settle the soil. Overseed bare spots in spring or fall. Wait until the mole is caught. Rake mounds flat and step ridges down.
Moles, kids and pets.
Baits must go deep in tunnels, exactly as the label says. Digging dogs can wreck a lawn faster than moles. Moles don't bite unless handled. Keep kids and pets away from traps.
What a mole visit looks like.
Traps go into the main runways. They check traps every day or two. The tech walks the lawn and maps the tunnels. They test which runways are active.
Moles, voles or gophers?
- Voles: narrow surface runways through the grass. - Gophers: crescent-shaped mounds with a plugged hole. - Chipmunks: small clean holes with no soil around them. - Moles: raised ridges and round, volcano-shaped mounds.
Watering and moles.
Fix leaky sprinklers that leave soggy corners. Moles follow moist soil, where worms rise near the surface. Water deeply and less often instead of a little every day.
Flower beds and borders.
Press tunnels down firmly and water to settle the soil. Moles tunnel under beds looking for worms, not to eat plants. Plants wilt when their roots are left hanging in air pockets.
Questions to ask before you sign.
- Which method will you use? - How often will you check traps? - What if another mole moves in? - Is lawn repair included? - Is it a mole, gopher or vole?
Moles by the numbers.
In Pittsburgh, moles do not eat plants; they tunnel for earthworms, grubs, and soil insects, and the ridges they leave behind are what most people notice. In Pittsburgh, tunnels often run just under the surface, with deeper nesting chambers below, and a single mole can maintain an extensive system across a yard. In Pittsburgh, because moles are solitary, several fresh ridges usually mean more than one animal. In Pittsburgh, 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.
What affects the price
- Season, since spring and fall book fastest.
- Single visit versus a multi-visit trapping plan.
- Soil type: rocky or clay ground slows trap sets.
- Access around fences, slopes, and dense plantings.
- Seasonal monitoring plans versus one-time service.
- State rules that affect trap or bait choices.
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What bothers you most about moles?
When to call for help
if you can't find an active runway. Call if new mounds keep appearing for more than a week. 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 Pittsburgh
In Pittsburgh, parks, ballfields and watered yards see the most tunneling. In Pittsburgh, the humid continental climate means moles activity tends to follow spring and fall; active year-round in mild soil, so scheduling the visit before the busy stretch usually means a faster response and a cleaner quote. Pittsburgh gets about 38 inches of rain a year, so moles favor watered lawns and shady beds. Winter lows near 22°F in Pittsburgh freeze the ground, so moles go deeper until spring.
Local research
Moles in Pittsburgh, PA: what the public record shows
Before you compare quotes, it helps to know which moles actually live in Pennsylvania, when they are busiest around Pittsburgh, and what the state figures look like. Everything below links to the agency or university page it came from.
Mole species recorded in Pennsylvania
- Eastern mole (Scalopus aquaticus) — Range across most of the eastern U.S. to Wyoming and Colorado; the only mole in Missouri.
- Star-nosed mole (Condylura cristata) — Northeast and Great Lakes; wet soils; up to 7 young.
- Hairy-tailed mole (Parascalops breweri) — Northeastern uplands.
When moles are busiest around Pittsburgh
Active all year; busiest in rainy summer periods.
Rules that apply in Pennsylvania
Sources: Penn State Extension; 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?
Moles are related to shrews, not mice
Star-nosed moles can smell underwater using air bubbles
Questions people ask
When is the best time to trap moles?
Spring and fall, when they're tunneling near the surface. Right after rain is ideal.
Is the mole still in my yard?
Step down a short section of tunnel. If it's raised again in a day or two, it's active.
Do ultrasonic mole repellers work?
In Pittsburgh, moles have poor eyesight and live almost entirely underground, where airborne sound barely reaches them. In Pittsburgh, if you try a sonic stake, watch for fresh ridges over two weeks; if activity continues, switch to traps in the active runs. No. In Pittsburgh, there is no scientific evidence that ultrasonic or vibrating devices repel moles, and extension offices consistently advise against relying on them.
Are moles rodents?
They're insectivores, related to shrews. They eat earthworms and grubs, not plant roots. No.
What kind of traps do professionals use?
Usually scissor or harpoon traps set in active runways. They're the most reliable method.
Do mole exterminators charge per mole?
In Pittsburgh, per-animal pricing means the bill scales with how many are caught, while a flat-rate program covers the whole job regardless. In Pittsburgh, ask which structure the provider uses, since the two can produce very different totals. Some do.
When are moles most active in Pittsburgh?
Spring and fall, especially after rain. Frozen winter ground sends them deep.
Are moles common in Pittsburgh?
Yes.
Nearby cities
Related guides
Sources (5)
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