Quick Answer

Basement Waterproofing Cost in Atlanta (2026)

Average cost in Atlanta

$5,520avg

$1,200 – $16,500

$4 – $12 per sq ft

In Atlanta, the average is $5,520 and most projects cost between $1,200 and $16,500, or about $4 – $12 per sq ft. Prices are before tax and based on 11 sources.

+6.2% YoY
11 sources
Updated 1 months ago
Metro Atlanta

Cost Breakdown

Itemized
Labor

Skilled waterproofing technicians and excavation crews

$2,600 – $7,400

45%

Materials

Sump pumps, French drains, and vapor barriers

$1,800 – $5,200

32%

Excavation & Prep

Digging for exterior membranes or interior trenching

$800 – $3,000

18%

Permits & Inspections

City of Atlanta building and electrical permits

$150 – $500

5%

🧾Sales Tax (4%) — Georgia
Base cost + $221 tax$5,741

Sales Tax at 4%

📋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 Atlanta

$5,520

Likely range $2,484 – $12,144

  • Labor45%$2,484
  • Materials32%$1,766
  • Excavation & Prep18%$994
  • Permits & Inspections5%$276

Interior sealant

$5,520

Interior drainage / weeping tile

$8,832

Exterior excavation

$13,248

Get quotes for this project →

Calibrated to 11 researched sources for Atlanta. Before tax. Real quotes vary with site conditions.

📈Price Momentum

Year-over-year

~1 year ago

$5,198

Today

$5,520

Basement Waterproofing in Atlanta is ↑ 6.2% compared to roughly a year ago — about $322 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 Atlanta

Verified providers
🔨

AquaGuard Foundation Solutions South Atlanta

3205 S Martin St, East Point, GA 30344, USA

5.0
★★★★★

862 reviews

🔨

APS Waterproofing

2433 Ventura Pl, Smyrna, GA 30080, USA

5.0
★★★★★

109 reviews

🔨

Atlanta Basement Systems

6520 Corporate Ct #100, Alpharetta, GA 30005, USA

4.9
★★★★½

1,134 reviews

🔨

CGS Waterproofing & Foundations

6040 Dawson Blvd # K, Norcross, GA 30093, USA

4.9
★★★★½

512 reviews

🔨

Trotter Company

6575 Peachtree Industrial Blvd, Norcross, GA 30092, USA

4.9
★★★★½

1,148 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

Atlanta's heavy clay soil is significantly harder to excavate than sandy soils, increasing labor costs by 15-20% for exterior projects. Additionally, the region's high annual rainfall (averaging 50+ inches) necessitates more robust drainage systems.

In 2026, Atlanta homeowners typically pay between $40 and $85 per linear foot for interior French drain installation. For a standard 100-linear-foot basement perimeter, this totals $4,000 to $8,500.

Yes, due to frequent heavy downpours and flash flooding, 85% of professional waterproofing systems in Atlanta include a sump pump. Installation costs range from $600 to $2,500, with battery backups adding an extra $1,000 to $2,000.

Waterproofing typically recovers 30% to 50% of its cost in immediate home value. However, if the waterproofing is part of a full basement finishing project, the ROI can jump to 70-80% by adding usable square footage.

📊Our Methodology

How we collect data
1

Aggregated from 5+ 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.