Structural Pest Control
Termite Control in Foster City, CA
101 Exterminators handles termite control in Foster City as a California-licensed structural pest company, SPCB Lic. #9119. The whole city sits on engineered fill over the old Brewer Island marsh, a few feet above the Bay, and the water table under it never drops far. That is subterranean termite ground. We inspect, report by Section 1 and Section 2, then treat.
Home maintenance
How do you keep termites out of a Foster City home?
Keep water away from the walls and keep wood off the soil. Foster City sits on engineered bay fill over the old Brewer Island marsh, just above sea level, so the ground near the house stays damp through much of the year. Homes from the mid-1960s to the 1980s build-out now have aging trim, fences and decks, and that is where prevention work goes.
Aim irrigation away from the walls
On ground that already holds moisture, sprinkler overspray keeps the soil at the foundation wet. Point heads away from the house, fix leaking drip lines in the beds, and water early in the day.
Keep fence posts and deck wood off the soil
Fences, deck stairs and planter boxes are the wood most likely to touch the ground on a Foster City lot. Set posts on concrete, trim boards that rest on soil, and replace soft wood when you find it.
Check lagoon-side decks and docks
Wood along the lagoon stays damp from the water and the bay air. Look at the framing under decks and docks each year for mud tubes and soft spots, and keep the space underneath clear of stored lumber.
Clean gutters before the rains
Foster City gets 17 to 19 inches of rain a year, nearly all in winter. Clear gutters in October and make sure downspouts carry water away from the walls on flat lots where water tends to sit.
Report shared-wall findings to the HOA
In attached homes, termites in one unit can sit in framing shared with the next. If you see pellets or mud tubes, tell the association in writing so the building can be inspected as a whole.
When to do it
Gutters and irrigation checks in October; a look at decks, fences and eaves for pellets in late summer.
Maintenance guidance: San Mateo County Mosquito and Vector Control District, Termites
Warning Signs
When to Ask About Termite Control in Foster City
We check visible wood in accessible attics, crawl spaces, fences, and exterior areas, then explain the next step. For written findings needed in a sale, book a paid structural pest inspection. Its WDO report separates Section 1 from Section 2 conditions.
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
What to Expect from Termite Control in Foster City
Tell us where you found wings, pellets, mud tubes or damaged wood. If you need a written report for a sale or refinance, ask for a formal WDO inspection when you book.
Visual Review or Formal Inspection
A licensed technician reviews visible signs in accessible areas and explains them. For a sale, a separately booked paid structural pest inspection documents findings for the written WDO report.
Findings & Recommendations
We explain what we find and recommend the next step. A formal written WDO report comes with a separately booked paid structural pest inspection.
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 & Documentation (If Needed)
If treatment is authorized, we carry out the agreed plan and explain any follow-up. When correcting Section 1 findings from a separately booked paid WDO inspection, we provide the applicable completion documentation.
Why 101 Exterminators
Why Choose 101 Exterminators for Termite Control in Foster City
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 California Structural Pest Control Reports used in real-estate and financing workflows. If your lender, escrow company, or loan program has specific requirements, confirm them before scheduling.
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.
Written Follow-Up Terms
Any re-inspection, re-service, or warranty terms for the recommended treatment are provided in writing before work begins.
Common Questions
Termite Control FAQs for Foster City
Why are subterranean termites common in Foster City when the houses are relatively new?
Because the ground matters more than the age of the house. Foster City sits on engineered fill over former tidal marsh barely above sea level, so soil moisture stays high all year — exactly what western subterranean termites (Reticulitermes hesperus) need to forage. A 1970s slab house with a damp slab edge is more attractive to them than a dry hillside house from the 1920s. That is why we inspect the perimeter and the slab penetrations first here.
Can a Foster City condo or townhome be inspected for termites without involving the HOA?
You can have your own unit inspected, but the report will state what it could and could not reach. In Foster City's townhome and condo complexes the framing, attic space, and exterior walls are usually common area, so a finding inside one unit is almost always a building finding. We write the report so that both the association and the escrow can tell which portions are unit-level and which fall to the HOA.
Do lagoon-front homes in Foster City carry more termite risk than the inland streets?
Often yes, though not for the reason people assume. Lagoon frontage adds wood standing over brackish water — dock framing, bulkhead caps, deck posts, railings — where finish coats fail early and the wood stays receptive to drywood and dampwood termites. Subterranean pressure at the slab is about the same across the entire city, because the water table is about the same across the entire city.
Local Pest Pressure
Common Pests We Treat in Foster City
Every area has its own pest profile shaped by climate, housing, and geography. These are the pests we see and treat most often in Foster City — tap any one to learn how to identify it and what treatment involves.
Termite Control · Foster City
Schedule Service in Foster City
Tell us what you have found and where. For a sale or refinance, request a separate paid WDO inspection.