The short version
Most termite problems in El Monte are western subterranean termites, and the usual fix is a liquid soil treatment or bait stations. Drywood termites need fumigation or wood treatment instead. Start with an inspection; $75–$250 is typical.
- Look for mud tubes, shed wings and hollow-sounding wood.
- Swarms usually show up in spring.
- Drywood termites need wood treatment or fumigation instead.
- An inspection typically costs $75–$250.
- Insurance usually doesn’t cover termite damage.
Anyone in El Monte who owns, rents out, or is buying a home and wants to know whether termites are a real concern.
What to look for
Spongy floors or bubbling paint usually mean long-running damage. So it's worth an inspection, even for one or two signs. Termites work quietly. A colony can feed inside a wall for years. Winters around El Monte stay mild, with average lows near 48°F, so colonies keep feeding all year.
- 1Termite tubes hanging down from ceilings or joists.
- 2Piles of identical shed wings on windowsills.
- 3Mud tubes running up foundation walls or piers.
- 4Blistered or bubbling paint on wood surfaces.
- 5Buckling laminate or warped hardwood flooring.
- 6Layered, honeycombed wood packed with soil.
Why it’s worth acting soon
- Colonies grow and spread every year they go untreated.
- Damage hides behind drywall, flooring and trim.
- Homeowners insurance usually doesn’t cover termite damage.
- An active infestation can complicate a home sale.
Treatment options and typical costs
Termite Inspection and WDI Report
$75–$250
The inspector checks the foundation, garage, attic and damp spots. Bring up anything you’ve noticed.
- Time
- 60–120 minutes
- Best for
- Every job, real estate closings, and yearly peace of mind
Fumigation for Drywood Termites
$1,200–$4,000 (often $1–$4 per square foot)
Tenting is thorough but leaves no residual protection behind. New drywood swarmers can land on an El Monte home the following season, so follow-up inspections still matter.
- Time
- 2–3 days including tenting and aeration
- Best for
- Widespread drywood termites throughout a structure
Annual Renewal and Monitoring
$150–$400 per year
Ask what a renewal in El Monte actually includes, and whether it covers retreatment or repairs. A retreatment-only plan is common; damage repair coverage costs more.
- Time
- 30–60 minutes per visit
- Best for
- Keeping a treated home protected after the initial job
Localized Wood, Foam, and Borate Treatment
$250–$1,500
When termites are limited to one wall or window frame, an El Monte technician can treat that wood directly. Foam expands into voids, and borate soaks into bare lumber.
- Time
- 1–3 hours
- Best for
- Small drywood spots, wall voids, and exposed framing
Prices are typical published ranges. Ask what’s included before you compare quotes.
In a basement, the wooden sill plate on top of the block wall is the first piece of wood termites reach.Which termites live around El Monte.
Look for tiny piles of pellets that look like coarse sand. The termite you're most likely to meet in El Monte is the western subterranean termite. It nests in soil and builds mud tubes to reach wood. It needs steady moisture. Drywood termites are common around El Monte as well, flying straight into attic framing, eaves and furniture without any soil contact.
Local termites conditions in El Monte.
A provider who works El Monte and California every day can point out the specific conditions that matter most here, and getting the scope, price, and follow-up terms in writing makes it easier to compare options. El Monte sits in a local climate, and that sets the pace for termite activity here: the warmer months. Across El Monte, the area is mostly residential, so termites pressure can differ from one block to the next depending on how tight the entry points are and how much food, water, or shelter is close by. An inspection in El Monte usually starts outside and works inward, checking the foundation, gaps around doors and windows, and any moisture or clutter near the structure first. Knowing El Monte's seasonal timing lets you schedule treatment before the busy stretch rather than after it, which usually means faster service and a more accurate quote.
Subterranean termites don't stop in winter; they just go deeper. A quiet season is a good time for a non-urgent inspection.When termites swarm here.
Across El Monte, western subterranean termites usually swarm in spring, and again in fall after the first good rain. Drywood termites around El Monte tend to swarm in late summer and fall. A swarm outside means a colony is nearby. A swarm inside usually means it's in the house. Save a few in a bag, or snap a clear photo. Swarm season is when termites show themselves.
Where to look around your house.
Check the garage edges and behind baseboards. Look where pipes come through the floor. Outside, watch for mud tubes behind shrubs. Keep soil and mulch below the slab edge. The same advice applies across the area, from El Monte out to Los Angeles and Glendale. Many homes in El Monte sit on concrete slabs, so termites come up through expansion joints, plumbing gaps and settlement cracks.
A year of termites in El Monte.
- Spring and fall: swarm seasons. Across El Monte, swarms often follow the first warm days and the first fall rain. - Summer: with highs around 84°F in El Monte, termites follow moisture, so watch AC drain lines, sprinkler zones and hose bibs. - Fall: with about 15 inches of rain a year in El Monte, make sure gutters and downspouts carry water well away from the foundation. - Winter: a good time to book an inspection in El Monte, before swarm season starts.
What happens at an inspection.
A moisture meter and a probe help them find hidden activity. Afterward, ask them to show you what they found. Photos help. Most inspections take an hour or two. The inspector walks the outside of the house first. They check the foundation, the soil line and nearby wood. Inside, they check the garage, baseboards, plumbing gaps and the attic. On a slab, they focus on joints, cracks and pipe gaps.
Termites or ants?
- Waist: termites are thick through the middle. Ants are pinched. - Antennae: termite antennae are straight. Ant antennae bend like an elbow. - Debris: termites leave mud. Carpenter ants leave sawdust. - Tunnels: termite galleries are packed with mud. Ant tunnels are clean and smooth. - Wings: termite wings are all the same length. Ant wings aren’t.
Getting ready for treatment day.
Keep kids and pets inside while the California crew applies the product, and ask how long to stay off treated soil. In California, Reticulitermes swarm in the afternoon in spring or fall on clear days after a soaking rain; drywood swarmers fly in daytime during summer and fall; Heterotermes aureus flies late afternoon/early evening in July–September (UC IPM). Drill holes in slabs or patios get patched afterward. Prep is light for liquid treatments and bait stations. Clear a walking path along the exterior walls. Move boxes away from garage walls. Flag sprinkler heads and buried lines.
Mulch and termites.
Pull mulch back from the foundation and keep the layer thin. A dry gap along the house makes mud tubes easier to spot; in California's dry climate the risk is irrigation and leaky hose bibs rather than rain. Wood chips touching the siding trap the moisture termites are after.
Questions to ask before you sign.
- What product or system will you use? - Is the whole foundation treated, or just one spot? - What does the warranty cover, and for how long? - What does the yearly renewal cost? - What do I need to do before and after treatment? - Which termites did you find, and where?
What affects the price
- Attached garages, decks, and additions.
- Amount of drilling through concrete and patios.
- Annual renewal and monitoring fees.
- Liquid barrier versus bait station system.
- Linear feet of foundation to be treated.
- Slab, crawl space, or basement construction.
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What's your biggest concern about termites?
When to call for help
Lenders often ask for one. It's also the cheapest termite service. Carpenter ants leave clean tunnels and sawdust. Termites leave mud. Call if you see mud tubes, pellets or an indoor swarm. Hollow-sounding wood is another clue. Buying or selling? Get a wood-destroying insect (WDI) report either way.
What you can do yourself
Store-bought sprays usually kill only the termites you see. It also needs even coverage around the entire foundation. The product has to reach the whole colony. Treating an active colony is harder. Keep firewood away from the house. Fix leaks and clear gutters. Pull mulch back from the foundation. Some of the work is yours.
Termites in El Monte
Termite activity in California is above average. Most houses will see termites at some point. Like nearby Los Angeles, El Monte gets about 15 inches of rain a year, so termites gather wherever extra water collects, like sprinkler zones, hose bibs and AC drain lines.
Local research
Termites in El Monte, CA: what the public record shows
Before you compare quotes, it helps to know which termites actually live in California, when they are busiest around El Monte, and what the state figures look like. Everything below links to the agency or university page it came from.
Termite control products for drywood termites
Drywood and subterranean termite work in California is effectively professional-only; the state licenses it by branch.
UC Statewide IPM ProgramTermite species recorded in California
- Formosan subterranean termite (Coptotermes formosanus) — FDACS lists it in Florida, Alabama, Georgia, Louisiana, Mississippi, South Carolina, North Carolina, Tennessee, Virginia, Texas, Arizona, California and Hawaii. Colonies contain…
- Western drywood termite (Incisitermes minor) — UC IPM: 'California's second most important termite pest', 'commonly found along the Pacific coastal region extending into the Central Valley and deserts of Southern California'…
- Desert subterranean termite (Heterotermes aureus) — UA Extension calls it an 'important structural pest' of the desert Southwest. UC IPM: 'flies in the late afternoon or early evening in July, August, and September'.
- Western subterranean termite (Reticulitermes hesperus) — Oregon State: causes damage to structures in the Pacific Northwest and 'may swarm any time of year'. Utah State describes swarmers 3/8 inch long and workers 1/4–3/8 inch, pale c…
When termites are busiest around El Monte
Reticulitermes swarm in the afternoon in spring or fall on clear days after a soaking rain; drywood swarmers fly in daytime during summer and fall; Heterotermes aureus flies late afternoon/early evening in July–September (UC IPM).
UC IPM: Reticulitermes 'can be encountered in nearly all regions of the state'; the western drywood termite is 'California's second most important termite pest', found along the Pacific coast, Central Valley and Southern California deserts. FDACS lists California among states with Formosan termites. Branch 3 covers 'the control of wood-destroying pests or organisms by the use of insecticides or structural repairs and corrections'; Branch 1 covers fumigation.
Rules that apply in California
Sources: Drywood Termites (Pest Notes); University of Georgia Extension; University of Missouri Extension; Formosan Termite Program; Not All Termites Are Terrible (Home and School IPM Newsletter); Termites | Solve Pest Problems. Figures are quoted as the source prints them. How we check our sources
Simple ways to keep termites away
- Screen attic and foundation vents with fine mesh.
- Caulk gaps around plumbing and utility penetrations.
- Trim shrubs so foundation walls stay visible and dry.
- Paint or seal exposed exterior wood.
- Repair rotting trim, fascia, and window frames.
- Extend downspouts so water drains away from walls.
A liquid soil treatment goes into a trench along the foundation so termites cross it on their way to the house.Did you know?
Across El Monte, termites have been chewing wood for well over 100 million years, since the age of the dinosaurs.
Questions people ask
What time of year do termites swarm?
Formosan termites swarm on humid evenings in late spring. A swarm inside an El Monte home means the colony is close. Subterranean termites around El Monte typically swarm in spring, often on a warm afternoon after rain. Drywood termites tend to swarm in late summer or fall.
How do I know if I have termites or flying ants?
Then check the waist, which is thick on a termite. Save a few in a bag so the inspector can confirm what they are. Termites and ants swarm the same time of year in El Monte, California, so confusion is common. Check the wings first: termite wings are all the same size.
What is the difference between subterranean and drywood termites?
Drywood termites leave clean galleries and piles of dry pellets. An El Monte pro uses these clues plus the location to choose between a soil treatment and a wood treatment. Look at the evidence. Subterranean termites leave mud in the wood and tubes on the foundation of an El Monte home.
Does fumigation kill subterranean termites too?
Soil treatment handles colonies that tunnel in from outside. Many El Monte homes with both species end up needing both. Fumigation and subterranean treatment solve different problems for an El Monte home. Gas handles drywood termites hidden in framing and furniture.
Will termites come back after treatment?
Bait systems only work while monitored. That's why companies in El Monte offer annual renewals: a yearly inspection catches new activity before it matters. They can. A liquid barrier around an El Monte home breaks down over years, and new colonies can move in from neighboring soil.
Are termites common in California?
Around El Monte, the usual culprit is the western subterranean termite.
Sources (4)
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 Termite Exterminator · Updated September 11, 2026 · How we write these guides