Cost of Radon Mitigation in Los Angeles, CA — 2026 Price Guide
If you're a homeowner in Los Angeles, California, you've probably wondered what radon mitigation actually costs in 2026. With a population of 3,898,747 in Los Angeles County, Los Angeles sits in the Southern California region. The average cost of radon mitigation here runs about $1,628 per system, though your final price will depend on the specifics of your project.
2026 Radon Mitigation Cost in Los Angeles, CA
| Cost Level | Price (per system) | What to Expect |
|---|---|---|
| Budget / Low-End | $868 | Basic scope, standard materials, smaller projects |
| Average / Mid-Range | $1,628 | Typical project scope with quality materials |
| Premium / High-End | $3,256 | Large scope, premium materials, complex projects |
Prices are estimates for Los Angeles, CA in 2026 and reflect local market conditions in Los Angeles County County. Your actual cost will depend on the specifics of your project.
Factors That Affect Radon Mitigation Cost in Los Angeles
Several factors determine what you'll pay for radon mitigation in Los Angeles. Understanding these helps you budget accurately.
- Type of mitigation system needed
- Foundation type (slab, crawl space, basement)
- Number of suction points required
- Fan size and location
- Sealing requirements for cracks and openings
- Post-mitigation testing costs
- Aesthetics of exterior piping
What Los Angeles Homeowners Should Know
Los Angeles is in or near a wildfire-prone area, which may impact radon mitigation requirements and material selections. Check local fire codes before starting your project.
Always verify your Los Angeles radon mitigation contractor's CSLB license at cslb.ca.gov before signing a contract.
How to Save Money on Radon Mitigation in Los Angeles
Getting the best deal on radon mitigation in Los Angeles comes down to timing, preparation, and knowing what to ask.
- Test your home with a $15 DIY kit before hiring
- Choose sub-slab depressurization for the best results
- Get post-mitigation testing to verify effectiveness
- Install during other construction for lower costs
- Ask about radon-resistant construction for new homes
Frequently Asked Questions
How much does radon mitigation cost in Los Angeles, CA?
The average cost of radon mitigation in Los Angeles is approximately $1,628 per system in 2026. Prices range from $800 to $3,000 depending on project scope.
How long does radon mitigation take in Los Angeles?
Most radon mitigation projects in Los Angeles take 1-2 days to complete. Factors like project complexity and weather in Los Angeles County can affect the schedule.
Do I need a permit for radon mitigation in Los Angeles?
Generally, basic radon mitigation projects in Los Angeles do not require a permit.
How do I choose a radon mitigation contractor in Los Angeles?
Get at least three quotes from Los Angeles contractors, verify their CSLB license, check reviews, and never pay more than 10% or $1,000 upfront.
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