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

Structure Fumigation

Fumigation 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 performs structural fumigation in Sunnyvale using Vikane (sulfuryl fluoride), the standard fumigant for widespread drywood termite infestations. We are California licensed, SPCB Lic. #9119, and have worked Santa Clara County since 2005. Sunnyvale's tight tract lots and its flat-roofed Eichlers each change how a tent gets rigged and sealed, so the prep conversation starts well before the crew arrives.

(831) 500-1613Free limited inspection · no obligation

Local Context

Tenting a Flat-Roofed Eichler Is a Different Rig Than Tenting a Gabled Ranch

Fumigation is the answer when drywood termites (Incisitermes minor) are working several separated members, or wood nobody can reach. In Sunnyvale that call comes up most on houses standing since the 1950s and 60s, with fifty-plus years of colony time in the original framing. Gas reaches every void, joint and beam in the structure — the interior of a rafter, the blind face of a header, the top plate above a wall — which is exactly what a spot treatment cannot do.

The rigging changes with the house. A post-war ranch on a Cherry Chase or Ponderosa street has a low-pitched gable, an attached garage, and side-yard setbacks narrow enough that tarps get walked in rather than lifted. Eichlers are harder. A flat or shallow roof gives the crew nothing to drape over, the open-air atrium is a hole in the middle of the envelope, and floor-to-ceiling glass walls need protection panel by panel. Both get sealed at the foundation, but it is not the same job.

Timing matters here too. Sunnyvale's dry stretch runs May through October and the morning marine layer usually clears by early afternoon, which gives a stable window for tenting, gas hold and aeration. The storms between November and March complicate tarp sealing, and that is the season we schedule around when the calendar allows. Nobody re-enters the structure until a certified clearance company measures it below the safe threshold — that reading is not ours to make.

How We Work in Sunnyvale

Before the tent goes up we measure the structure for the gas calculation, walk the preparation list with you, and identify what has to be bagged — food, medication, plants. On Sunnyvale lots we check side-yard clearance, fence gates and low utility lines, because tarp handling on a standard tract lot is a tight-quarters job. Eichler atriums are sealed as part of the envelope and the glass walls get protected. Neighbors are notified and signs posted as required, and re-entry waits on third-party clearance.

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 Fumigation Service in Sunnyvale

We manage the entire fumigation process: pre-fumigation inspection and documentation, structure tenting with certified fumigation tarps, introduction of Vikane fumigant to specified concentration, aeration protocol, post-fumigation clearance testing, and coordination with a certified fumigation clearance company before you return. We also provide bagging requirements and preparation guidance for food, medications, and plants.

Multiple locations of frass (termite pellets) throughout the structure — not just one area

Evidence of drywood termites in structural framing, not just surface wood

Previous localized treatments that have not resolved the infestation

Inspector-identified infestation in inaccessible areas (wall cavities, sealed areas)

WDO report showing extensive Section 1 conditions throughout the structure

Visible winged termites (swarmers) emerging from multiple locations

How It Works

Our Fumigation 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.

Pre-Fumigation Inspection

We document all entry points, confirm the infestation scope, measure the structure for gas calculation, and review the preparation checklist with you at least 3 days before the fumigation date.

Structure Tenting

Our crew tents the entire structure with specialized fumigation tarps, sealed at the foundation to prevent gas escape. Neighbors are notified as required, and warning signs are posted.

Gas Introduction & Monitoring

Vikane is introduced to calculated concentration and held for the required exposure time. Readings are monitored throughout the process to confirm effective dosage.

Aeration & Clearance

The structure is thoroughly aerated until Vikane levels are below the safe entry threshold. A certified third-party inspector confirms clearance levels before we authorize re-entry.

Why 101 Exterminators

Fumigation You Can Count On in Sunnyvale

Complete Structure Coverage

Gas fumigant penetrates every void, cavity, and piece of wood in the structure — including areas impossible to reach with liquid or foam treatments.

Vikane — Industry Gold Standard

Vikane (sulfuryl fluoride) is the most widely used and thoroughly studied structural fumigant. It leaves no residual after aeration — the structure is safe to re-enter after clearance.

Third-Party Clearance Testing

Re-entry is only authorized after independent clearance testing confirms gas levels are below threshold. No guesswork on when your home is safe.

Real Estate Compliant

Fumigation clears all Section 1 termite conditions for real estate transactions. We issue the required Completion Notice accepted by lenders and escrow companies.

Common Questions

Fumigation FAQs for Sunnyvale

Can a Sunnyvale Eichler with an open atrium actually be tented?

Yes. The atrium is sealed as part of the structure envelope rather than treated as outdoor space, and a flat or shallow roof is rigged differently than a gable — the crew builds the tarp shape instead of draping it. Floor-to-ceiling glass gets protected panel by panel. Setup takes longer than a conventional ranch, which is worth knowing when you plan the days you will be out of the house.

What time of year is easiest for fumigation in Sunnyvale?

Late spring through early fall is the practical window. Sunnyvale gets 14 to 16 inches of rain concentrated between November and March, and wind plus wet tarps make sealing harder in that stretch. The summer marine layer burns off by early afternoon, so mornings run damp and the rest of the day stays stable. Winter fumigations do happen — we schedule them around storm systems rather than through them.

Do I need fumigation, or will a local treatment handle my Sunnyvale house?

It depends on how far the infestation has spread and whether the wood is reachable. A single infested garage rafter, or a run of accessible Eichler beam, is a local-treatment candidate — drill-and-treat foam, borate, or orange oil where the gallery can be reached. Activity in several separated members, or inside a roof assembly with no access, is what fumigation exists for. The inspection settles it, and we show you the findings behind the recommendation.

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