Core Services
Franklin Crawl Space Encapsulation & Foundation Waterproofing Services
Franklin Crawl Space Pros matches homeowners across Franklin, Tennessee with vetted contractors for every stage of crawl space and foundation work, from a simple vapor barrier to structural piering. Typical project range: $4,000-$12,000.
Crawl Space Vapor Barrier
Heavy-duty 12-20 mil reinforced liner installed across Williamson County red clay soil to stop ground moisture from wicking into your subfloor. Seams are taped and mechanically fastened to piers and foundation walls.
Typical range: $2,200 - $5,500
View Crawl Space Vapor Barrier detailsFull Encapsulation
A sealed-crawl-space system for Franklin and Brentwood, TN homes: liner, insulated walls, sealed vents, drainage, and conditioned air. The standard fix for the humidity spikes caused by 50+ inches of annual rainfall.
Typical range: $6,000 - $12,000
View Full Encapsulation detailsSump Pump & Dehumidifier Installation
Interior drainage, sealed sump basins, and crawl-rated dehumidifiers sized for Tennessee summers. Built for limestone karst terrain where groundwater rises fast after heavy rain.
Typical range: $1,800 - $6,500
View Sump Pump & Dehumidifier Installation detailsFoundation Wall Piering
Steel push piers and helical piers that transfer load past expansive red clay to stable limestone bearing strata. The structural answer to stair-step cracks and settling foundation walls.
Typical range: $1,200 - $2,400 per pier
View Foundation Wall Piering detailsCrawl Space Mold Remediation
Containment, antimicrobial treatment, and joist cleaning for the mold and wood-rot fungus that thrive in damp Franklin and Brentwood crawl spaces. Paired with moisture control so growth does not return.
Typical range: $1,500 - $6,000
View Mold Remediation detailsSagging Floor Repair
Sistered joists, new beams, and adjustable steel supports on poured footings to level bouncy or sloping floors. Common in older Franklin, Brentwood, and Nashville homes with rotted subfloor joists.
Typical range: $1,800 - $8,000
View Sagging Floor Repair detailsExterior Foundation Waterproofing
Excavated membrane waterproofing, footing drains, and regrading that move stormwater away from your foundation before it ever reaches the crawl space.
Typical range: $3,500 - $12,000
View Exterior Foundation Waterproofing detailsFree Crawl Space Inspection
A no-obligation moisture, structural, and air-quality assessment of your crawl space, with photos, humidity readings, and a written price range before any work is scheduled.
Typical range: Free
View Free Crawl Space Inspection details2026 Local Pricing
Crawl Space & Foundation Repair Cost Table for Franklin, TN
Compare typical local ranges side by side before you request quotes.
| Service | Typical Franklin cost | What drives the price |
|---|---|---|
| Crawl Space Vapor Barrier | $2,200 - $5,500 | Crawl space square footage, liner thickness (12 vs 20 mil), and pier count. |
| Full Encapsulation | $6,000 - $12,000 | Square footage, vent count, insulation scope, and whether drainage or a dehumidifier is included. |
| Sump Pump & Dehumidifier Installation | $1,800 - $6,500 | Linear feet of drain tile, battery backup, and dehumidifier capacity. |
| Foundation Wall Piering | $1,200 - $2,400 per pier | Number of piers, depth to limestone bearing strata, and access for equipment. |
| Crawl Space Mold Remediation | $1,500 - $6,000 | Affected square footage, containment needs, and joist cleaning method. |
| Sagging Floor Repair | $1,800 - $8,000 | Extent of joist or girder rot, number of new supports, and footing work. |
| Exterior Foundation Waterproofing | $3,500 - $12,000 | Excavation depth, linear feet of wall, landscaping restoration, and grading. |
| Free Crawl Space Inspection | Free | Always free, with a written photo report and local price ranges. |
Get a free crawl space inspection in Franklin, TN today
Standing water, sagging floors, and musty air only get more expensive. Tell us your ZIP code and Franklin Crawl Space Pros routes you to a vetted local contractor with a written price range, usually within 30 minutes during business hours.