Quick Answer

Basement Waterproofing Cost in Las Vegas (2026)

Average cost in Las Vegas

$6,210avg

$1,500 – $15,000

$4 – $10 per sq ft

In Las Vegas, the average is $6,210 and most projects cost between $1,500 and $15,000, or about $4 – $10 per sq ft. Prices are before tax and based on 8 sources.

+3.5% YoY
8 sources
Updated 1 months ago
Nevada

Cost Breakdown

Itemized
Labor

Skilled waterproofing technicians and excavation

$1,000 – $4,000

45%

Materials

Sealants, membranes, and vapor barriers

$500 – $3,500

25%

Equipment

Sump pump units and backup systems

$700 – $2,500

15%

Drainage Systems

French drains and weeping tiles

$1,500 – $5,000

10%

Permits & Inspections

Clark County building and trade permits

$150 – $500

5%

🧾Sales Tax (6.85%) — Nevada
Base cost + $425 tax$6,635

Sales Tax at 6.85%

📋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 Las Vegas

$6,210

Likely range $2,795 – $13,662

  • Labor45%$2,795
  • Materials25%$1,553
  • Equipment15%$932
  • Drainage Systems10%$621
  • Permits & Inspections5%$311

Interior sealant

$6,210

Interior drainage / weeping tile

$9,936

Exterior excavation

$14,904

Get quotes for this project →

Calibrated to 8 researched sources for Las Vegas. Before tax. Real quotes vary with site conditions.

📈Price Momentum

Year-over-year

~1 year ago

$6,000

Today

$6,210

Basement Waterproofing in Las Vegas is ↑ 3.5% compared to roughly a year ago — about $210 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 Las Vegas

Verified providers
🔨

Swift Construction LLC

6380 McLeod Dr Ste#12, Las Vegas, NV 89120, USA

5.0
★★★★★

182 reviews

🔨

WFM Restoration LLC

3402 Neeham Rd, North Las Vegas, NV 89030, USA

4.9
★★★★½

1,070 reviews

🔨

AFR Construction

4387 W Sunset Rd, Las Vegas, NV 89118, USA

4.8
★★★★½

132 reviews

🔨

Ultimate Choice Restoration

7590 N Jones Blvd, Las Vegas, NV 89131, USA

4.5
★★★★½

118 reviews

🔨

UTE Flood & Fire

3060 Westwood Dr, Las Vegas, NV 89109, USA

4.5
★★★★½

65 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

Basements are uncommon in Las Vegas due to 'caliche,' a cement-hard sedimentary rock layer that makes excavation extremely difficult. Waterproofing is often required for the few existing basements due to the high water table in certain valley pockets and the risk of flash flooding during monsoon season.

If exterior waterproofing requires excavation, caliche soil can increase labor and equipment costs by 15% to 25% because contractors must use heavy machinery like jackhammers or caterpillars to break through the rock-like ground.

In 2026, professional sump pump installation in Las Vegas typically ranges from $700 to $1,700, depending on whether a new basin needs to be cut into the concrete floor or if it is a simple unit replacement.

Yes, permits are generally required for structural changes, plumbing (sump pumps), or electrical work. For a typical $12,000 waterproofing project, the permit fee is approximately $298, while a $25,000 project averages $484.

📊Our Methodology

How we collect data
1

Aggregated from 8+ 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.