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Mold Remediation Cost in Walnut, CA
Detailed pricing guide with local market adjustments and material comparisons
Walnut Average
$1,275–$5,100
Market Tier
Small City
Cost Breakdown
Mold Remediation Cost in Walnut
Small CityLowAverageHigh
$1,275$3,188$5,100
Market Tier
Small City (0.85x)
Small city with below-average costs
Material Cost Comparison
HEPA air scrubbers(Budget)
$956–$3,825Containment barriers (plastic sheeting)(Mid-Range)
$1,275–$5,100Antimicrobial treatment(Premium)
$1,785–$7,140Factors that affect your cost
- Size of affected area
- Type of mold (black mold is more hazardous)
- Accessibility of contaminated areas
- Materials that need removal (drywall, insulation)
- Air quality testing requirements
- Moisture source repair needed
- HVAC cleaning required
Get Quotes in Walnut
Walnut Housing Market
Median Home Price
$1,498,888
Homes for Sale
12
Price per Sq Ft
$645
Local Pros
536
Home Service Professionals Near Walnut
Agents 95lender 75multimedia_specialist 71Landscapers 64Appraisers 63Movers 60Inspectors 57Flooring 51
Median Household Income
$133,762
Median Home Value
$972,500
Median Rent
$3,120/mo
Homeownership Rate
82.7%
Population
27,857
Median Year Built
1983
Source: U.S. Census Bureau, ACS 2023 5-Year Estimates
Track Your Costs
Repair
Mold Remediation
Date
April 2026
Cost
$3,188
Vendor
Your local pro
Warranty
3-year material warranty
Walnut average: $1,275–$5,100
Before
Issue documented with photos
After
Repair completed, area sealed
Materials Used
HEPA air scrubbersContainment barriers (plastic sheeting)Antimicrobial treatmentPPE (respirators, suits, gloves)
Warranty Details
3-year material warranty
Auto-Checkup Created
"Mold & Moisture Check" — every 12 months
Added by youApril 2026
Property Health Score
Good
88
interior category +16 pts(72 → 88)
Documentation19/25
Maintenance20/25
Warranty22/25
Investment21/25
Your health score is calculated based on documentation completeness, maintenance currency, warranty coverage, and investment tracking.
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I found several professionals in your area. Here are the top results:
SM
Smith & Sons
Connectedprofessional
4.9(47)
BookQuote
JR
J&R Home Services
professional
4.7(23)
From $95/hr
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Title:other
Category:professional
Date:2026-04-17
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Cost FAQ
What is the average cost of mold remediation in Walnut?
The average cost of mold remediation in Walnut, CA ranges from $1,275 to $5,100. The final price depends on Size of affected area, Type of mold (black mold is more hazardous), Accessibility of contaminated areas.
What factors affect mold remediation cost?
Key factors include: Size of affected area, Type of mold (black mold is more hazardous), Accessibility of contaminated areas, Materials that need removal (drywall, insulation), Air quality testing requirements, Moisture source repair needed, HVAC cleaning required. In Walnut, local labor rates and material availability also influence pricing.
How do I get accurate quotes for mold remediation in Walnut?
Get at least 3 quotes from licensed professionals in Walnut. Use Fizbo SmartSearch to find and compare local others, read reviews, and request estimates — all in one place.