(303) 990-45066819 Zenobia St Unit A3, Westminster 80030
Residential radon mitigation completed near Littleton, Colorado
Serving Littleton and nearby communities

Radon Mitigation Littleton

Fast, certified residential radon systems designed for Littleton homes—installed in one visit and guaranteed below 2.7 pCi/L for life.

Free in-person estimateComplimentary test kitLifetime warranty

2.7 pCi/L

Guaranteed result

3–4 hours

Typical installation

100%

Perfect 5-star reviews

Local radon expertise

A safer Littleton home starts below the foundation

Local coverage

Arapahoe, Jefferson, and Douglas counties · ZIP codes 80120, 80121, 80122, 80123, 80127, 80128

The Littleton mailing area spans historic neighborhoods, mature suburban communities, and foothill-adjacent development. Homes may include older full basements, crawlspaces, additions, walkout levels, and newer engineered foundations. Each condition changes how soil gas moves beneath the structure.

We test assumptions before choosing equipment. The estimate considers slab communication, exposed crawlspace soil, sump openings, finished areas, and the best exhaust route. This foundation-first approach supports stronger results and avoids unnecessary visual impact.

A standard installation usually takes 3–4 hours. Every Custom Radon Solutions system is backed by a lifetime warranty and a guarantee that post-mitigation radon will be below 2.7 pCi/L.

Radon has no color, smell, or taste. A professional test and a system designed around your actual foundation are the reliable path to a verified result.

Foundation-specific design

The right mitigation method for your home

Every system uses active soil depressurization, but the way we collect soil gas depends on the foundation beneath your lowest occupied level.

Basement & sump systems

A sealed sump lid or sub-slab suction point captures radon beneath the concrete before it reaches finished living space.

Crawlspace mitigation

A durable, sealed membrane covers exposed soil and connects to active suction for continuous soil-gas control.

Slab & mixed foundations

One or more carefully placed suction points create negative pressure across slab-on-grade, additions, and split foundations.

Residential sump-based radon mitigation system near Littleton

Real residential work

Installed by Custom Radon Solutions

Built for local homes

A system matched to your Littleton-area foundation

Old Littleton homes and later suburban development can differ significantly in slab construction and drainage. Foothill-adjacent properties may also have walkout basements or crawlspaces that require membrane sealing in addition to sub-slab suction.

We design combination systems when the home needs them and keep simpler homes simple. Homeowners receive a clear explanation of how the suction point, manometer, fan, and exhaust work together.

Old LittletonColumbineKen CarylBow MarRoxboroughChatfield

What matters locally

Planning for Littleton foundations

Local housing patterns inform the inspection, but the final design always follows the conditions at your property.

Broad housing area

The Littleton service area spans historic, suburban, and foothill-adjacent construction.

Walkout foundations

Sloped sites and multiple lower-level elevations can affect pressure-field coverage.

Crawlspace transitions

Exposed soil and basement slabs can be treated together in a properly designed combination system.

Simple from start to finish

Our Littleton radon mitigation process

01

Test and inspect

We review your radon result and inspect the foundation, sump, crawlspace, utilities, and possible pipe routes in person.

02

Design the right system

You receive a clear plan for suction points, fan placement, discharge location, sealing, price, and expected installation.

03

Install in one visit

Most residential systems are completed in 3–4 hours with careful protection of the home and a clean finished route.

04

Verify the result

Post-install testing confirms performance. We guarantee levels below 2.7 pCi/L and back the system with a lifetime warranty.

Our work

Residential systems, professionally installed

Real Custom Radon Solutions installations across the Denver metro and Front Range.

Residential sump-based radon mitigation system near Littleton
Technician creating a residential sub-slab suction point
Residential radon piping installed along basement framing near Littleton

Our Achievement

What Our Clients Are Saying

Denver homeowners trust us to protect their families from radon's silent danger—here's what they have to say about our fast, reliable service.

Safer Home100%
“I was terrified when I learned radon could be lurking in my home, putting my kids at risk for lung cancer. Custom Radon made it so easy—they came out for a free estimate, tested my levels, and installed a system in just a few hours. I sleep better knowing my family is safe now!”

Sarah T. · Denver

1 / 3

Questions answered

Radon mitigation FAQ for Littleton

Get direct answers about testing, installation, pricing, guarantees, and foundation-specific system design.

How long does radon mitigation take in Littleton?

Most residential radon mitigation systems in Littleton are installed in one 3–4 hour visit. Homes with multiple foundations, finished basements, or crawlspaces may require additional planning, but we explain the routing and scope before work begins.

What result do you guarantee for Littleton homes?

Custom Radon Solutions guarantees post-mitigation levels below 2.7 pCi/L and backs the installed system with a lifetime warranty. A post-install test confirms the system is performing as designed.

How much does radon mitigation cost in Littleton?

Pricing depends on the foundation, number of suction zones, pipe route, crawlspace conditions, and fan requirements. We provide a free in-person estimate so you receive a system-specific price instead of a generic range that may not fit your home.

Do you provide a free radon test kit in Littleton?

Yes. Schedule a free in-person estimate and we provide a complimentary radon test kit. Testing helps establish the starting level and post-install testing verifies the result.

Do you serve the wider Littleton mailing area?

Yes. We serve Littleton addresses across Arapahoe, Jefferson, and Douglas counties, including nearby foothill and south-metro neighborhoods.

Can you mitigate a home with both a crawlspace and basement?

Yes. The crawlspace can be sealed with a durable membrane while the basement receives sub-slab or sump-based suction. The zones may connect to one properly designed exhaust system.

Nearby service areas

Radon mitigation near Littleton

We serve homeowners throughout the Denver metro, Boulder County, and nearby Front Range communities.

View all service areas
Same-Day Estimates

Get your free estimate in under a minute

Answer a few quick questions and we’ll get right back to you—often the same day. No obligation, no pressure, just a clear plan to make your Denver home safe.

  • Same-day response

    Request before 2pm and we’ll usually reach out today.

  • Guaranteed results

    We guarantee radon levels below 2.7 pCi/L.

  • Certified & insured

    Backed by a lifetime system warranty.

Step 1 of 3

What can we help you with?

Tap an option to continue.