How Much Does Mold Remediation Cost in Clearlake, CA? (2026)

Average Cost

$3,198–$6,344

Materials

$1,320–$3,080

Labor (North Coast)

$1,140–$1,800

Professional mold remediation includes setting up containment barriers with negative air pressure, HEPA-filtering airborne spores, removing mold-contaminated drywall, insulation, and other porous materials, treating remaining surfaces with antimicrobial solutions, and verifying clearance with post-remediation air sampling. Mold remediation follows IICRC S520 standards. This estimate uses Sacramento-area pricing for 2025-2026.

Clearlake is located in Lake County (North Coast). Lakeside community with affordable older homes and cabins. The local utility provider is PG&E.

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City

Affected areas (rooms / sections)

Materials Included

Poly sheeting, tape, ZipWall poles2 lot

$80–$200

HEPA air scrubber rental (per day)12 unit-day

$720–$1,440

Antimicrobial / fungicide treatment6 gallon

$150–$360

PPE (Tyvek suits, N95/P100 respirators, gloves)8 set

$120–$280

Contaminated material disposal (bags, dump fees)2 lot

$100–$400

Post-remediation air quality test (3rd party)1 test

$150–$400

Labor

Mold remediation technician (IICRC certified)12h @ $60–$95/hr

$720–$1,140

Remediation laborer12h @ $35–$55/hr

$420–$660

Contractor Markup30%

0%Avg 30%100%

Materials

$1,320–$3,080

Labor

$1,140–$1,800

Markup

$738–$1,464

Estimated Total Cost

$3,198 – $6,344

$1,599–$3,172 per unit

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Project Timeline

Inspection & containment

2-4 hours

Inspect affected areas, determine the extent of mold growth, and set up containment barriers with negative air pressure to prevent spore migration.

Material removal

4-8 hours

Remove mold-contaminated drywall, insulation, carpet, and other porous materials. Double-bag contaminated debris for disposal. HEPA-vacuum all surfaces.

Treatment & cleaning

2-4 hours

Apply antimicrobial solution to all remaining surfaces (framing, subfloor, concrete). Wire-brush or soda-blast stubborn mold on wood framing if needed.

Clearance testing & demobilization

1-2 days

Run HEPA air scrubbers for 24-48 hours, then have a third-party inspector perform post-remediation air sampling. Remove containment and equipment once clearance is achieved.

Materials Breakdown

Material	Qty	Unit	Unit Cost	Total
Poly sheeting, tape, ZipWall poles	2	lot	$40–$100	$80–$200
HEPA air scrubber rental (per day)	12	unit-day	$60–$120	$720–$1,440
Antimicrobial / fungicide treatment	6	gallon	$25–$60	$150–$360
PPE (Tyvek suits, N95/P100 respirators, gloves)	8	set	$15–$35	$120–$280
Contaminated material disposal (bags, dump fees)	2	lot	$50–$200	$100–$400
Post-remediation air quality test (3rd party)	1	test	$150–$400	$150–$400

Mold Remediation in Clearlake — FAQ

How much does mold remediation cost?+

Small areas (under 30 sq ft) cost $500-$2,000. Moderate remediation (1-2 rooms) runs $2,000-$6,000. Large-scale remediation (multiple rooms, HVAC contamination) can cost $5,000-$15,000+.

Is mold remediation covered by insurance?+

Most policies cover mold remediation if the mold resulted from a covered water damage event (e.g., burst pipe). Pre-existing or long-term mold from deferred maintenance is typically excluded. Check your policy's mold coverage limits.

How do I know if I have a mold problem?+

Signs include visible mold growth, musty odors, chronic allergy symptoms, and recent water damage. A professional mold inspection with air sampling provides definitive answers and identifies hidden mold behind walls.

Can I clean mold myself?+

Small areas (under 10 sq ft on non-porous surfaces) can be cleaned with detergent and water. Larger areas, mold on drywall/insulation, or HVAC contamination require professional remediation with containment to prevent spore spread.