Crawl spaces
Crawl space drainage
Crawl space drainage removes standing water under the house with a perimeter drain and a crawl space sump pump, plus outside fixes like downspouts and grading so less water arrives in the first place.
By calling, you agree to be connected with an independent waterproofing contractor, who may call or text you back about your request at the number you call from. Calls may be recorded for quality and routing. Consent is not a condition of any purchase; you can opt out at any time, and message and data rates may apply. Privacy policy.
- Typical time
- One to two days.
- Repair or replace
- Drain before encapsulating.
Call about crawl space drainage
(833) 460-4463By calling, you agree to be connected with an independent waterproofing contractor, who may call or text you back about your request at the number you call from. Calls may be recorded for quality and routing. Consent is not a condition of any purchase; you can opt out at any time, and message and data rates may apply. Privacy policy.
Mention water in a crawl space and your ZIP.
Water pooling in a crawl space after rain rots wood, attracts pests and makes encapsulation fail.
Fix drainage before or during encapsulation.
Crawl Space Drainage at a glance
- What it is
- Crawl space drainage removes standing water under the house with a perimeter drain and a crawl space sump pump, plus outside fixes like downspouts and grading so less water arrives in the first place..
- Service category
- Crawl Space Repair
What are the signs you need water in a crawl space help?
- Puddles or mud after rain
- Water lines on crawl walls
- Rotting wood
- Pests
Quick answers
What should you know about crawl space drainage first?
How long crawl space drainage takes
One to two days.
When water in a crawl space can wait, and when it can't
Soon; wood rots.
Fix or replace water in a crawl space?
Drain before encapsulating.
Why water in a crawl space happens
Runoff and groundwater.
The work
How is crawl space drainage done, step by step?
- 1
Evaluate
Where water enters.
- 2
Drain
Perimeter drain and sump.
- 3
Outside fixes
Downspouts and grading.
What affects the cost of crawl space drainage?
Driven by drain length and sump.
- Drain length
- Sump
- Access height
- Exterior work
Is this service available near me?
Location is only used to find the service area nearest you. It stays on your device and isn't stored.
Happening right now? 24-hour emergency service is the faster route than a scheduled visit.
What do homeowners ask about crawl space drainage?
Can a crawl space sump freeze?
Discharge lines can; route and protect them properly.
Should I fix drainage before encapsulating?
Yes. Encapsulating over standing water traps the problem.
Why does water collect in my crawl space?
Poor grading, groundwater, plumbing leaks and runoff can all send water into crawl spaces.
What affects the cost of crawl space drainage?
Crawl space size, access, trench length and sump installation.
How does crawl space drainage work?
Perforated pipe in a shallow trench collects water and directs it to a sump that pumps it out.
Is standing water in a crawl space dangerous?
It promotes mold, rot and pests and can affect indoor air quality.
How long does drainage installation take?
Usually one to two days for a typical crawl space.
Where should crawl space sump water go?
Outdoors, away from the foundation, not into sanitary sewers.
Where can I verify this information about your area?
- 1FEMA: Flood Map Service CenterCheck whether a property in your area is in a mapped flood zone before finishing a basement.
- 2U.S. Environmental Protection Agency: MoldGuidance on moisture control and keeping indoor humidity low to prevent mold.
- 3USDA Natural Resources Conservation Service: Web Soil SurveyLook up soil drainage class and shrink-swell potential for any lot in your area.
- 4U.S. Environmental Protection Agency: RadonWhy basements in your area should be tested for radon, and how sealed sumps fit with mitigation.
- 5Federal Trade Commission: Hiring a ContractorWhat to check before hiring: licensing, insurance, written estimates and payment terms.
Service area
Where is crawl space drainage available?
- Crawl Space Drainage in Hubbard
- Crawl Space Drainage in Greenville
- Crawl Space Drainage in Indianapolis
- Crawl Space Drainage in Boise
- Crawl Space Drainage in Reno
- Crawl Space Drainage in Eugene
- Crawl Space Drainage in Sacramento
- Crawl Space Drainage in Bend
- Crawl Space Drainage in Juneau
Where crawl space drainage is most often needed
- California
Crawl space moisture after storms
- Idaho
Irrigation-season groundwater
- Indiana
Crawl space water
- Nevada
Crawl space moisture in Reno
- North Carolina
Hurricane rain
- South Carolina
Lowcountry crawl space water
Available in every state
Calls are connected with an independent contractor that serves your ZIP code, anywhere in the U.S.
Northeast & Mid-Atlantic
Connecticut · Delaware · Maine · Maryland · Massachusetts · New Hampshire · New Jersey · New York · Pennsylvania · Rhode Island · Vermont · Washington, DC
Midwest & Great Lakes
Illinois · Indiana · Iowa · Michigan · Minnesota · Missouri · Nebraska · North Dakota · Ohio · South Dakota · Wisconsin
Southeast & Gulf Coast
Alabama · Florida · Georgia · Kentucky · Louisiana · Mississippi · North Carolina · South Carolina · Tennessee · Virginia · West Virginia
Mountain West & Southwest
Arizona · Colorado · Idaho · Montana · Nevada · New Mexico · Utah · Wyoming
Pacific Coast & Northwest
Alaska · California · Hawaii · Oregon · Washington
Related
Which services are often paired with crawl space drainage?

Crawl Space Encapsulation
Crawl space encapsulation seals the crawl space from outside air and ground moisture with a heavy vapor barrier on the floor and walls, closed vents, insulated walls and a dehumidifier, turning it into a dry, conditioned space..
Learn more
Sump Pump Installation & Repair
Sump pump service installs a sealed pit and pump where groundwater collects, replaces failed pumps and switches, adds battery or water-powered backups, and routes the discharge line well away from the house so it doesn't freeze or recirculate..
Learn more
Yard Drainage, Grading & Downspouts
Yard drainage keeps rain and snowmelt away from the foundation: extending or burying downspouts, regrading soil to slope away from the house, and installing French drains or catch basins where water pools.
Learn moreGuides
What should you read before calling?

Call about water in a crawl space
Runoff and groundwater.
By calling, you agree to be connected with an independent waterproofing contractor, who may call or text you back about your request at the number you call from. Calls may be recorded for quality and routing. Consent is not a condition of any purchase; you can opt out at any time, and message and data rates may apply. Privacy policy.
