HVAC and duct mold in Larkspur, CA
Mold can grow in drain pans, on coils, and in ducts, especially ducts running through damp crawlspaces. The EPA advises not running a system you suspect is contaminated. Here's what that looks like in Larkspur, what to do, and how to get connected with an independent, licensed local provider.
HVAC and duct mold in Larkspur: what we see
Larkspur's older homes and condos have a mix of systems, often with ducts in crawlspaces or attics. Shared systems in some buildings mean coordinating with the HOA.
The local picture
Heating systems in local homes. House age and type determine what heating systems and ducts are common. Larkspur has early-1900s homes and cottages in the historic downtown and Baltimore Canyon, hillside homes up the canyons, and condos and townhomes near the creek and ferry area.
Conditions vary a lot from street to street in Larkspur, so a provider should assess your specific home.
What to do right now
- Turn off the system if you suspect mold in it.
- Note where the musty smell is strongest and when it happens.
- Check the filter and drain pan, if accessible.
- Don't spray chemicals into the ducts.
- Call an HVAC professional or mold provider for an inspection.
Want a local pro to take a look?It's free for homeowners and there's no obligation.
Larkspur checklist
- In a condo, ask the HOA who maintains the HVAC system.
- Change filters on schedule.
- Keep condensate lines clear.
- Seal and insulate ducts in crawlspaces.
- Control crawlspace humidity.
How a provider handles it
An inspection finds where growth is and why. The fix may include cleaning components, replacing lined or damaged ducts, and correcting the moisture source. For the full picture, read our complete guide and the deep dive on mold in HVAC systems and ducts. We also have a storm-season article on fog-belt humidity and mold.
Before you hire anyone, check the license on the CSLB website. Here's how we vet providers.
Nearby towns and more for Larkspur
- Mold Removal in Larkspur: our full local page
- HVAC and duct mold service
- Crawlspace mold in Larkspur
- Attic mold in Larkspur
- Bathroom mold in Larkspur
- Mold after flooding in Larkspur
- Same problem nearby: HVAC mold in Corte Madera, HVAC mold in Mill Valley, HVAC mold in San Anselmo, HVAC mold in San Rafael
Frequently asked questions
Who fixes mold in a shared HVAC system?
Often the HOA. Check your governing documents.
Will duct cleaning fix mold?
Cleaning addresses existing growth; moisture control prevents it. See EPA guidance.
Who should I call?
An HVAC contractor (check their CSLB license) or a mold remediation provider, depending on the scope.