Cost of Radon Mitigation in Colma, CA — 2026 Price Guide
If you're a homeowner in Colma, California, you've probably wondered what radon mitigation actually costs in 2026. With a population of 1,504 in San Mateo County, Colma sits in the Bay Area region. The average cost of radon mitigation here runs about $1,638 per system, though your final price will depend on the specifics of your project.
2026 Radon Mitigation Cost in Colma, CA
| Cost Level | Price (per system) | What to Expect |
|---|---|---|
| Budget / Low-End | $874 | Basic scope, standard materials, smaller projects |
| Average / Mid-Range | $1,638 | Typical project scope with quality materials |
| Premium / High-End | $3,277 | Large scope, premium materials, complex projects |
Prices are estimates for Colma, CA in 2026 and reflect local market conditions in San Mateo County County. Your actual cost will depend on the specifics of your project.
Factors That Affect Radon Mitigation Cost in Colma
No two radon mitigation projects in Colma are identical. Here are the key cost drivers.
- 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 Colma Homeowners Should Know
As a Bay Area homeowner in Colma, you're in one of the most competitive contractor markets in California. Radon Mitigation costs tend to be higher here due to elevated labor rates and the high cost of living in San Mateo County.
Always verify your Colma radon mitigation contractor's CSLB license at cslb.ca.gov before signing a contract.
How to Save Money on Radon Mitigation in Colma
Getting the best deal on radon mitigation in Colma 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 Colma, CA?
The average cost of radon mitigation in Colma is approximately $1,638 per system in 2026. Prices range from $800 to $3,000 depending on project scope.
How long does radon mitigation take in Colma?
Most radon mitigation projects in Colma take 1-2 days to complete. Factors like project complexity and weather in San Mateo County can affect the schedule.
Do I need a permit for radon mitigation in Colma?
Generally, basic radon mitigation projects in Colma do not require a permit.
How do I choose a radon mitigation contractor in Colma?
Get at least three quotes from Colma contractors, verify their CSLB license, check reviews, and never pay more than 10% or $1,000 upfront.
Get Free Quotes from Colma Radon Mitigation Pros
Compare quotes from Colma's best radon mitigation contractors. It's free, fast, and zero obligation.