WatertightHub
Lakewood, CO

French Drain Installation Cost in Lakewood

$1,650 – $6,550

Average french drain installation cost in Lakewood · avg $4,100

  • Updated 2026
  • 12 local pros
  • Based on local project data
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At a glance · Lakewood
Typical timeline
1–2 days
Permit
Usually required · ~$180
Local soil
expansive clay and bentonite
Freeze-thaw cycles
92 / yr
Local pros
12 available

French Drain Installation cost in Lakewood, CO

Perimeter drainage that channels groundwater away from the foundation before it gets in. Below is how it compares with related foundation and drainage work in Lakewood.

Service in LakewoodLowAverageHigh
Basement Waterproofing$2,550$5,250$7,950
Foundation Repair$2,450$5,650$8,850
Crawl Space Encapsulation$3,300$6,050$8,750
French Drain InstallationThis page$1,650$4,100$6,550
Sump Pump Installation$700$1,550$2,400

Ranges reflect local labor and expansive clay and bentonite soil conditions. Your quote depends on square footage, access, and severity.

What affects the cost in Lakewood

Annual rainfall
14"
Freeze-thaw cycles / yr
92
Frost depth
37"

Homes in Lakewood sit on expansive clay that pushes against foundation walls as it takes on water, the biggest single driver of local foundation and waterproofing work.

Permits in Lakewood

Underpinning, piering, and wall stabilization need a permit (often with an engineer's letter); small interior repairs typically do not.

Issuing authority: City of Lakewood Building Department · typical fee ~$180

Get matched with french drain installation pros in Lakewood

12 established french drain installation companies serve the Lakewood area. Tell us about your project and compare free quotes, no obligation.

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French Drain Installation in Lakewood: FAQ

How much does french drain installation cost in Lakewood?+

In Lakewood, french drain installation typically runs $1,650–$6,550, averaging about $4,100. The expansive clay and bentonite soil and 92 freeze-thaw cycles a year are the biggest local price drivers.

Do I need a permit for french drain installation in Lakewood?+

Underpinning, piering, and wall stabilization need a permit (often with an engineer's letter); small interior repairs typically do not. Permits are handled by City of Lakewood Building Department, with a typical fee around $180.

Is french drain installation worth it in Lakewood?+

With 14" of annual rainfall and a 37" frost depth, untreated water intrusion in Lakewood tends to worsen each freeze-thaw season, so most homeowners find addressing it early is far cheaper than structural repair later.