Many residents assume that staying indoors keeps them safe from pollutants—but in reality, indoor air can be two to five times more polluted than outdoor air, especially in older apartments and homes.
From foggy coastal neighborhoods to older properties in the Mission or Marina Districts, the city's damp climate and aging infrastructure make it a hotspot for mold growth.
Today, cutting-edge innovations are making mold detection faster, more accurate, and less invasive—helping homeowners breathe easier with less guesswork and more certainty.
If you own or rent an older home in Belmont, follow these quick tips for finding mold and learn how to take action before it becomes a health or structural concern.
Whether you own, rent, or manage property, this guide breaks down essential quick facts about mold testing and why it matters in 2025, including how to protect your family, home, and peace of mind.
Whether you live in Mill Valley, Novato, or San Rafael, understanding the signs you need a mold test in your Marin County home can protect your family’s health and your home’s integrity.