A Tudor-style home on a San Francisco Peninsula street — Sunnyvale, California service area

Structural Pest Control

Termite Control in Sunnyvale, CA

Name: 101 Exterminators Inc.
Address: 635 Sanborn Pl Ste 12, Salinas, CA, 93901, US
Telephone: (831) 500-1613
Price range: $$
Rating: 5

101 Exterminators is a California-licensed structural pest company doing termite control in Sunnyvale, SPCB Lic. #9119, in business since 2005. Western drywood termites (Incisitermes minor) have had decades inside the framing of Sunnyvale's post-war orchard tracts and its Eichler post-and-beam homes. We inspect the full structure, separate Section 1 from Section 2 in writing, then treat.

(831) 500-1613Free pest evaluation · no obligation

Local Context

Post-and-Beam Eichlers and Orchard-Tract Ranches Age Into Two Different Termite Problems

Most of Sunnyvale went up between the 1950s and the 1970s, and the two kinds of house built in that stretch age into two different termite problems. The ranch tracts that replaced the apricot orchards through Cherry Chase, Ponderosa and Raynor are stucco over wood frame, with low-pitched gable roofs and attached garages. Drywood termites get in at the fascia, the rafter tails and the garage header, anywhere paint has cracked and bare grain shows.

The Eichlers are the other half of the story. Joseph Eichler built whole tracts here, among them Fairbrae, Rancho Sans Souci and Sunnyvale Manor, and post-and-beam design leaves structural wood in plain sight: exposed beam ends at the fascia, tongue-and-groove decking that doubles as the ceiling, and an open-air atrium in the middle of the house. Incisitermes minor lives entirely inside a member, so a beam over a Fairbrae atrium can carry a colony for years before frass pellets land on the slab below.

Neither type gets a winter off. Sunnyvale takes 14 to 16 inches of rain, nearly all of it between November and March, and it soaks the soil at slab edges and stem walls without ever cooling framing enough to stall a colony. That soil moisture brings the second species in. Subterranean termites (Reticulitermes) work up through slab cracks, plumbing penetrations and stem walls, and they turn up most on lots near Calabazas Creek and the Sunnyvale East Channel.

How We Work in Sunnyvale

On a Sunnyvale ranch we start in the attic and at the eave line — rafter tails, fascia, the garage header — then check the stem wall and every slab penetration outside. Eichlers get a different route: no attic and no crawl space, so we read the exposed beam ends, the tongue-and-groove roof decking, the atrium framing and the glass-wall sills where wood meets weather. Everything is photographed and sorted into Section 1 and Section 2 on a state-compliant WDO report before we recommend a treatment.

Sunnyvale Climate

Sunnyvale has a classic Santa Clara Valley Mediterranean climate — warm, dry summers with temperatures reaching 85–95°F, and mild winters with 14–16 inches of annual rainfall. The inland Santa Clara Valley receives significantly less marine moderation than coastal counties, creating a more pronounced seasonal pest cycle: intense summer ant and cockroach pressure as colonies expand in the heat, and winter rodent pressure as outdoor temperatures cool and food sources diminish. The mild winters mean German cockroach and Argentine ant populations never experience the winter suppression seen in colder climates.

Housing Stock

Sunnyvale has a substantial inventory of post-WWII housing from the 1940s–1970s in established neighborhoods like Lakewood, Morse Park, and the areas around Sunnyvale Heritage Park. This housing era — 50–75 years old — is prime territory for drywood termite establishment in original wood framing, aging crawl spaces, and foundation sill plates. Newer development along the North Sunnyvale tech corridor is modern construction. The mix of older residential and modern commercial creates a dual pest management landscape.

Why Local Expertise Matters

Sunnyvale's dual residential-commercial pest landscape requires experience across both environments. We know the specific structural vulnerabilities of Sunnyvale's post-war residential neighborhoods, and we operate commercial pest programs for food service facilities appropriate to health department compliance documentation requirements.

Warning Signs

Signs You Need Termites Service in Sunnyvale

We perform thorough visual inspections of all accessible structural wood, attic spaces, crawl spaces, fencing, and exterior wood. Our reports clearly distinguish Section 1 conditions (active infestations requiring immediate treatment) from Section 2 conditions (conditions that are likely to lead to infestation). We issue California-required WDO reports for real estate transactions and carry the licensing required by the Structural Pest Control Board.

Hollow-sounding wood when tapped — galleries eaten from inside

Frass (fine sawdust-like pellets) near baseboards or windowsills — drywood termite excrement

Discarded wings near doors or windows in spring — swarmers leaving to start new colonies

Blistering or bubbling paint on wood surfaces — subterranean tunnel activity underneath

Mud tubes running up foundation walls or piers — subterranean termite foraging trails

Soft or sagging flooring near walls — severe structural damage to subfloor joists

Small holes in wood with discoloration around the edges

Real estate transaction requiring a WDO inspection and clearance report

How It Works

Our Termites Process in Sunnyvale

Every job follows the same methodical approach — no shortcuts, no guesswork. Here is what to expect when you work with us in Sunnyvale.

Comprehensive Inspection

Our licensed inspector examines all accessible wood, crawl spaces, attic framing, exterior siding, eaves, and fencing. We document every finding with photos and written notes.

WDO Report & Recommendations

You receive a state-compliant Structural Pest Control Report distinguishing active infestations, wood damage, and conducive conditions. No confusing fine print.

Targeted Treatment Plan

We recommend the most effective and least invasive treatment — whether that's localized spot treatment, fumigation for widespread drywood infestation, or subterranean bait systems.

Treatment & Clearance

We execute the treatment per plan, return for any follow-up needed, and issue a Completion Notice clearing the structure once all Section 1 items are resolved.

Why 101 Exterminators

Termites You Can Count On in Sunnyvale

State-Licensed Inspectors

Our inspectors hold California Structural Pest Control licenses and are compliant with SPCB regulations for both inspections and treatments.

WDO Reports for Real Estate

We issue the Structural Pest Control Reports required for California home sales, refinancing, and VA/FHA loans — accepted by all lenders and escrow companies.

Both Termite Species Covered

Central California has both drywood and subterranean termites. We identify which species is present and apply the treatment protocol specific to each.

Free Re-Inspection Policy

If signs return within our warranty period, we come back at no charge. Our work is backed, not just guaranteed on paper.

Common Questions

Termite Control FAQs for Sunnyvale

Can an Eichler in Sunnyvale be treated for termites without tenting the whole house?

Often yes, when the activity is localized and the wood is reachable. Eichler post-and-beam construction leaves much of the structural wood exposed — beam ends, fascia, tongue-and-groove decking — which is exactly the condition local treatments need: drill-and-treat foam, borate application, or orange oil where the gallery can be reached. Tenting becomes the right call when the inspection finds activity in several separated members or inside a roof assembly with no access. We inspect first and show you which case you are in.

Do the 1950s–1970s Sunnyvale tract homes on slab still get termites?

Yes. A slab stops nothing. Subterranean termites (Reticulitermes) travel through slab cracks, expansion joints and plumbing penetrations to reach the sill plate and wall framing, and lots near Calabazas Creek, Saratoga Creek and the Sunnyvale West Channel hold the soil moisture that supports them. Drywood termites skip the soil entirely and fly to exposed wood at the eaves, fascia and attic vents. Both species show up on the same Sunnyvale street.

When should a Sunnyvale homeowner expect to see termite swarmers?

Drywood swarmers fly in late summer and early fall, generally August through October, on warm evenings after a stretch of heat. Subterranean swarmers come out after winter rain, roughly February through May. In Sunnyvale that means discarded wings on a windowsill in September, or on a wet March morning. Swarmers indoors point to an established colony in or under the structure — bag a few and we can identify the species during the inspection.

Local Pest Pressure

Common Pests We Treat in Sunnyvale

Every area has its own pest profile shaped by climate, housing, and geography. These are the pests we see and treat most often in Sunnyvale — tap any one to learn how to identify it and what treatment involves.

Drywood Termites

Post-war housing stock from the 1950s–1970s provides 50+ years of established drywood termite colonies in original framing throughout older Sunnyvale neighborhoods

Subterranean Termites

Older neighborhoods with limited crawl space vapor barriers and creek-adjacent soil moisture see consistent subterranean termite activity

German Cockroaches

Dense commercial food service on Murphy Avenue and extensive tech campus cafeteria infrastructure creates sustained German cockroach pressure throughout the city