Quick Answer

Basement Waterproofing Cost in Jacksonville (2026)

Average cost in Jacksonville

$5,325avg

$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.

+5.2% YoY
11 sources
Updated 1 months ago
Florida

Cost Breakdown

Itemized
Labor

Skilled waterproofing technicians

$2,000 – $4,500

45%

Drainage Systems

Interior French drains & piping

$1,200 – $3,500

25%

Sump Pump & Basin

Unit and electrical installation

$800 – $2,500

15%

Materials & Sealants

Epoxy injections and membranes

$500 – $1,500

10%

Permits & Inspections

Jacksonville BID fees & surcharges

$150 – $500

5%

🧾Sales Tax (6%) — Florida
Base cost + $320 tax$5,645

Sales Tax at 6%

📋What's Included

Scope

Typically 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

Live
linear ft
Method
Sump Pump
Crack Repairs

Your estimate in Jacksonville

$5,325

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

Get quotes for this project →

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 providers
🔨

Lux Foundation Solutions of Florida

530 Ellis Rd S #107, Jacksonville, FL 32254, USA

5.0
★★★★★

65 reviews

🔨

Sunshine Foundation Repair

2203 Hamilton St, Jacksonville, FL 32210, USA

4.9
★★★★½

220 reviews

🔨

Alpha Foundations Repair Jacksonville

55 Industrial Loop, Orange Park, FL 32073, USA

4.9
★★★★½

1,587 reviews

🔨

First Coast Contracting

6900 Philips Hwy Suite 11, Jacksonville, FL 32216, USA

4.9
★★★★½

137 reviews

🔨

Metro Foundation Solutions

1617 Smith St, Orange Park, FL 32073, USA

4.8
★★★★½

105 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 data
1

Aggregated from 11+ verified web sources and cost databases

2

Licensed contractor estimates and regional cost guides

3

Government construction and labor statistics

4

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.