How Much Does Termite Spot Treatment Cost in Mill Valley, CA? (2026)

Average Cost

$575–$1,355

Materials

$265–$765

Labor (North Bay)

$195–$319

Labor rates in North Bay are +18% compared to Sacramento Metro baseline.

Termite spot treatment is a localized alternative to full fumigation, effective when termite activity is confined to specific areas. Methods include injecting termiticide foam or liquid into infested wood, applying borate-based wood treatments to exposed framing, or installing subterranean bait stations around the foundation. Spot treatment is less disruptive and more affordable than fumigation but is only appropriate for limited infestations. This estimate uses Sacramento-area pricing for 2025-2026.

Mill Valley is located in Marin County (North Bay). Affluent wooded community at the base of Mount Tamalpais with redwood-surrounded homes. The local utility provider is PG&E.

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City

Treatment areas

Materials Included

Termiticide foam / liquid (Termidor, Altriset)9 application

$180–$540

Borate wood treatment (Tim-bor / Bora-Care)3 gallon

$75–$195

Injection tips, drill bits, plugs1 lot

$10–$30

Subterranean bait stations (in-ground)0 each

$0–$0

Labor(North Bay +18%)

Licensed pest control operator3h @ $65–$106/hr

$195–$319

Contractor Markup25%

0%Avg 30%100%

Materials

$265–$765

Labor

$195–$319

Markup

$115–$271

Estimated Total Cost

$575 – $1,355

$192–$452 per unit

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Project Timeline

Inspection & identification

30-60 minutes

Thoroughly inspect the structure for termite activity, identify species (drywood vs. subterranean), and map all infestation sites.

Treatment application

1-3 hours

Drill small holes into infested wood and inject termiticide foam. Apply borate solution to exposed wood in attics, crawl spaces, and garages. Install bait stations if subterranean termites are present.

Follow-up inspection

30 minutes (2-4 weeks later)

Return to verify treatment effectiveness, check bait stations, and re-treat any remaining active areas. Provide a written report.

Materials Breakdown

Material	Qty	Unit	Unit Cost	Total
Termiticide foam / liquid (Termidor, Altriset)	9	application	$20–$60	$180–$540
Borate wood treatment (Tim-bor / Bora-Care)	3	gallon	$25–$65	$75–$195
Injection tips, drill bits, plugs	1	lot	$10–$30	$10–$30
Subterranean bait stations (in-ground)	0	each	$25–$50	$0–$0

Termite Spot Treatment in Mill Valley — FAQ

When is spot treatment appropriate vs. fumigation?+

Spot treatment works when activity is limited to 1-3 accessible areas. If termite damage is widespread, in multiple rooms, or in inaccessible areas (deep wall cavities), full fumigation is the only reliable option.

How much does termite spot treatment cost?+

Spot treatments typically cost $200-$800 per area treated. A home with 3 localized areas might cost $500-$1,500 total — significantly less than $2,000-$4,000+ for full fumigation.

Do I need to leave my home for spot treatment?+

No. Spot treatment products are applied directly into wood and do not require evacuation. You can remain in the home during and after treatment.

Does spot treatment come with a warranty?+

Most companies offer a 1-2 year warranty on spot treatments for the specific areas treated. Fumigation typically comes with a longer 2-5 year whole-structure warranty.