Basement Waterproofing Cost in Jacksonville (2026)
Average cost in Jacksonville
$1,500 – $12,000
$4 – $10 per sq ft
In Jacksonville, the average is $5,325 and most projects cost between $1,500 and $12,000, or about $4 – $10 per sq ft. Prices are before tax and based on 11 sources.
Cost Breakdown
ItemizedSkilled waterproofing technicians
45%
Interior French drains & piping
25%
Unit and electrical installation
15%
Epoxy injections and membranes
10%
Jacksonville BID fees & surcharges
5%
Sales Tax at 6%
📋What's Included
ScopeTypically Includes
- Interior drain tile system
- Sump pump installation
- Vapor barrier
- Crack injection sealing
- Labor
Typically Excludes
- Exterior excavation waterproofing
- Foundation repair
- Mold remediation
- Dehumidifier
- Landscaping restoration
Based on interior waterproofing for a standard 800-1,000 sq ft basement.
🧮Estimate your project
LiveYour estimate in Jacksonville
Likely range $2,396 – $11,715
- Labor45%$2,396
- Drainage Systems25%$1,331
- Sump Pump & Basin15%$799
- Materials & Sealants10%$533
- Permits & Inspections5%$266
Interior sealant
$5,325
Interior drainage / weeping tile
$8,520
Exterior excavation
$12,780
Calibrated to 11 researched sources for Jacksonville. Before tax. Real quotes vary with site conditions.
📈Price Momentum
Year-over-year~1 year ago
$5,062
Today
$5,325
Basement Waterproofing in Jacksonville is ↑ 5.2% compared to roughly a year ago — about $263 more on the average project.
Comparison derived from the year-over-year change rate, not a month-by-month price index. We don't store historical snapshots yet — when we do, this will become a real time series.
🏢Top Waterproofing Contractors in Jacksonville
Verified providersLux Foundation Solutions of Florida
530 Ellis Rd S #107, Jacksonville, FL 32254, USA
65 reviews
Sunshine Foundation Repair
2203 Hamilton St, Jacksonville, FL 32210, USA
220 reviews
Alpha Foundations Repair Jacksonville
55 Industrial Loop, Orange Park, FL 32073, USA
1,587 reviews
First Coast Contracting
6900 Philips Hwy Suite 11, Jacksonville, FL 32216, USA
137 reviews
Provider data sourced from public business directories. Ratings and reviews are public and may change. LookupCost is not affiliated with listed providers.
💬What People Actually Paid
Community❓Common Questions
Yes. Due to Jacksonville's low elevation and high water table, many homes require more robust hydrostatic pressure relief systems. A standard interior drainage system typically costs between $4,000 and $7,500, whereas homes in flood-prone areas like Riverside or San Marco may require dual sump pumps, adding $1,200 to $2,000 to the total.
In 2026, the City of Jacksonville Building Inspection Division (BID) charges a minimum permit fee of $112.50 for structural repairs. Total permit costs, including the 8% development services fee and plan review, typically range from $150 to $500 for most residential waterproofing projects.
Interior waterproofing is more common and affordable in Florida, costing $2,000 to $10,000. However, with Jacksonville's heavy seasonal rains, exterior waterproofing (costing $5,000 to $15,000+) is often recommended for long-term foundation protection, as it prevents water from ever entering the porous concrete walls.
A professional sump pump installation in Jacksonville currently averages $1,200 to $3,500. This includes the pump unit, basin, and discharge line. If a dedicated 20-amp electrical circuit is required, expect to pay an additional $800 to $1,200 for a licensed electrician.
📊Our Methodology
How we collect dataAggregated from 11+ verified web sources and cost databases
Licensed contractor estimates and regional cost guides
Government construction and labor statistics
Community-reported project costs and reviews
Last data collection: 1 months ago. Updates run weekly. All costs in USD.
About this data
Cost figures are estimates synthesized from public market data using AI research and refreshed regularly. Real project costs vary by scope, materials, contractor, and site conditions. Always get verified quotes from licensed contractors for your specific project.
Spotted bad data? Let us know — we'll review and update.