Crawl Space Mold Removal Cost
Estimated prices only. Final cost requires on-site inspection.
Average Crawl Space Mold Removal Cost (Near You)
The crawl space mold removal cost typically ranges from $500–$5,000 in the U.S., depending on size, severity, and add-ons like encapsulation or dehumidification. Local rates vary—get a free, local quote to confirm pricing in your area.
- Small (≤100 sq ft): $500–$1,500
- Medium (101–300): $1,500–$3,000
- Large (301–600): $3,000–$5,000+
- Encapsulation (add-on): $2,000–$8,000
- Dehumidifier (add-on): $1,000–$2,500
Want exact local pricing? Check certified pros near you on our map.
What Affects Crawl Space Mold Removal Cost?
Size & Access
Larger areas and tight/low-clearance crawl spaces increase labor time and cost.
Severity & Type of Mold
Light surface growth is cheaper; severe growth (e.g., black mold) needs stricter containment and more time.
Moisture Issues
Active leaks, standing water, or high humidity often require drying, drainage fixes, or vapor barriers.
Local Labor & Materials
Prices vary by state and city; use the estimator above and confirm with a local inspection.
Add-ons & Upgrades
Testing, HVAC cleaning, dehumidifiers, and encapsulation add to the total but help prevent recurrence.
DIY vs Hiring a Local Professional – Cost & Value
DIY Crawl Space Mold Removal
- Upfront: $150–$600 (PPE, cleaners, tools)
- Limitations: no HEPA/containment pro → risk of spread
- Time: 1–3 days por tu cuenta
- Long-term: más reincidencias si no hay control de humedad
Hire a Local Professional
- Typical: $500–$5,000 según tamaño y severidad
- Includes: inspección, contención, HEPA, tratamiento
- Time: 1–2 días con equipo
- Value: menor riesgo y mejor prevención (encapsulación, etc.)
Want exact local pricing? Find certified pros near you.
Additional Costs to Consider
Beyond basic mold removal, some crawl spaces need extra work to address moisture, air quality, and structural issues. These add-ons increase cost but improve long-term results.
Encapsulation
$2,000–$8,000 – Seals the crawl space with a vapor barrier to prevent future mold.
Dehumidifier
$1,000–$2,500 – Controls humidity levels to stop mold growth.
Drainage or Sump Pump
$1,500–$4,000 – Removes standing water and prevents flooding.
HVAC Duct Cleaning
$300–$700 – Prevents mold spores from circulating through your home.
Mold Testing
$200–$800 – Identifies mold species and severity before and after treatment.
Additional Costs to Consider
Some upgrades can greatly improve your crawl space’s health and prevent future mold. Here’s what they cost and why they matter:
How to Get the Best Crawl Space Mold Removal Price
Follow these key steps to compare local pros and secure the best deal without sacrificing quality.
- Research local pros – Check experience, reviews, and recent jobs.
- Verify licensed & insured – Ensure proper certifications and coverage.
- Request itemized estimates – Compare line-by-line costs and timelines.
- Check warranties & prevention – Look for moisture fixes and guarantees.
Your Crawl Space Deserves to Be Clean & Safe
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