Basement Waterproofing Cost in Miami (2026)
Average cost in Miami
US$1,500 — US$20,000
US$4 — US$10 per sq ft
Cost Breakdown
ItemizedSkilled waterproofing technicians and excavation
45%
Sealants, membranes, and drainage pipes
30%
Concrete breakers and earthmoving rentals
18%
Miami-Dade 0.5% fee and trade minimums
5%
Debris removal and site cleanup
2%
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 Cost
InteractiveEstimated Cost
US$6,400 — US$9,600
Based on 9 sources and market data for Miami. Actual costs may vary depending on specific project requirements.
🏢Top Waterproofing Contractors in Miami
Verified providersImpervious Waterproofing Systems, LLC
13446 NW 38th Ct, Opa-locka, FL 33054, USA
43 reviews
South Florida Caulking and Waterproofing
Miami Gardens Dr, Miami Gardens, FL 33055, USA
30 reviews
Saul Waterproofing & Painting Inc
649 SW 7th St, Miami, FL 33130, USA
41 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
In 2026, a standard sump pump installation in Miami ranges from $460 to $1,725. For complex setups involving new pit excavation and battery backups, costs can exceed $3,500.
Miami-Dade County typically charges 0.5% of the total construction value for building permits. Most residential waterproofing projects incur permit fees between $150 and $420, including application and trade minimums.
For exterior foundation waterproofing, Miami homeowners can expect to pay between $60 and $100 per linear foot, depending on the depth of the footings and excavation difficulty.
Miami's high water table often requires more robust interior drainage systems and high-capacity submersible pumps. These specialized systems typically cost between $3,000 and $12,000, significantly higher than simple surface sealants.
📊Our Methodology
How we collect dataAggregated from 5+ 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: today. Updates run weekly. All costs in USD.