Contact Sway Features
LADBS-certified methane testing, vapor intrusion mitigation and below-grade waterproofing across Los Angeles County. Licensed Professional Engineer on staff, full design-build.
Call us
Office
1050 W Alameda Ave, #406
Los Angeles, CA 91506
Lic #: 1049846
What we do
- Methane and soil gas testing
- Methane mitigation design (PE-stamped plans)
- Methane mitigation construction and sub-slab depressurization
- Vapor intrusion mitigation
- Below-grade and blindside waterproofing
See our Discussion Hub for case studies and code updates.
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Tell us about your project and we’ll get back to you with a free estimate.