Crawl Space Cost Calculator
Estimate repair, encapsulation, and vapor barrier costs by state and square footage
Generate Your Custom Crawl Space Estimate Here
National Cost Per Sq. Foot Breakdown
Typical Per Square Foot Cost Across the US for Top Crawl Space Services
Crawl Space Repair
$3.00-$5.50
Crawl Space Encapsulation
$3.00-$8.00
Encapsulation + Insulation
$4.00-$12.50
Vapor Barrier Only
$1.35-$2.00
Average Crawl Space Costs by Service Type
View Low-to-High National Prices for Top Crawl Space Services
| House Size (Sq. Ft) | Crawl Space Structural Repair | Encapsulation | Encapsulation + Insulation | Vapor Barrier Only |
|---|---|---|---|---|
| Under 500 sq ft | $250-$2,800 | $1,200-$4,000 | $1,600-$6,200 | $600-$1,000 |
| 500-799 sq ft | $1,500-$4,400 | $1,500-$6,400 | $2,000-$10,000 | $700-$1,600 |
| 800-999 sq ft | $2,400-$5,500 | $2,400-$8,000 | $3,200-$12,500 | $1,100-$2,000 |
| 1,000-1,199 sq ft | $3,000-$6,600 | $3,000-$9,600 | $4,000-$15,000 | $1,400-$2,400 |
| 1,200-1,499 sq ft | $3,600-$8,200 | $3,600-$12,000 | $4,800-$18,800 | $1,600-$3,000 |
| 1,500-1,999 sq ft | $4,500-$11,000 | $4,500-$16,000 | $6,000-$25,000 | $2,000-$4,000 |
| 2,000-2,499 sq ft | $6,000-$13,800 | $6,000-$20,000 | $8,000-$31,200 | $2,700-$5,000 |
| 2,500-2,999 sq ft | $7,500-$16,500 | $7,500-$24,000 | $10,000-$37,500 | $3,400-$6,000 |
| 3,000-3,499 sq ft | $9,000-$19,200 | $9,000-$28,000 | $12,000-$43,800 | $4,100-$7,000 |
| 3,500-3,999 sq ft | $10,500-$22,000 | $10,500-$32,000 | $14,000-$50,000 | $4,700-$8,000 |
| 4,000 sq ft + | $12,000-$27,500 | $12,000-$40,000 | $16,000-$62,500 | $5,400-$10,000 |
Prices are national averages. High-cost states (CA, NY, HI, AK) typically run 20–40% above these figures. Always get multiple local quotes.
Calculator outputs combine national average tier pricing maintained in our database with simple regional multipliers (higher for CA, NY, HI, and AK; lower for MS, AL, and AR). Ranges in the reference table match the same underlying national averages for quick comparison.
Costs vary with crawl space condition, access, moisture damage, structural work, permits, and material grades. This page is for planning and education only—not a binding quote.