Storm and flood damage in Mill Valley, CA
Storm flooding brings outside water into homes from creeks, tides, storm drains and hillside runoff. It's treated as contaminated, and it's usually excluded from standard homeowners policies. Here's what that looks like in Mill Valley, what to do, and how to get connected with an independent, licensed local provider.
Storm and flood damage in Mill Valley: what we see
In Mill Valley, storm flooding usually comes from creeks and from runoff. Old Mill Creek and the Arroyo Corte Madera del Presidio can rise fast, and low areas near Shoreline Highway and Richardson Bay are affected by heavy rain at high tide. Steep streets channel runoff into homes downhill.
The local picture
Where floodwater comes from. Knowing the local water sources helps you read warnings. Mill Valley is shaped by Arroyo Corte Madera del Presidio and Old Mill Creek running through town, plus Richardson Bay tidal flats near the low areas.
Low ground and runoff. Elevation and slope determine whether water arrives as a flood or as runoff. Mill Valley spans redwood canyons on the flanks of Mount Tamalpais, steep hillsides with stepped lots, and flatter bay-edge areas near Shoreline Highway and Strawberry.
Conditions vary a lot from street to street in Mill Valley, so a provider should assess your specific home.
What to do right now
- Follow AlertMarin and official instructions, and leave early if told to.
- Don't walk or drive through floodwater.
- Once it's safe, turn off power to flooded areas, or have an electrician do it.
- Photograph water levels and damage before cleanup.
- Call your insurer (flood policy if you have one) and a restoration provider.
Want a local pro to take a look?It's free for homeowners and there's no obligation.
Mill Valley checklist
- Keep storm drains near your home clear of leaves, and report blocked drains to the city.
- Sign up for AlertMarin.
- Look up your address on FEMA's Flood Map Service Center.
- Keep important documents and valuables off lower floors.
- Ask your agent about flood insurance before you need it.
How a provider handles it
Providers extract water and mud, remove porous materials the floodwater touched, clean and disinfect, and dry the structure with documented readings before rebuilding. For the full picture, read our complete guide and the deep dive on categories and classes of water. We also have a storm-season article on creek flooding and your home.
Before you hire anyone, check the license on the CSLB website. Here's how we vet providers.
Nearby towns and more for Mill Valley
- Water Damage in Mill Valley: our full local page
- Storm and flood damage service
- Burst pipe water damage in Mill Valley
- Crawlspace flooding in Mill Valley
- Sewage backup cleanup in Mill Valley
- Appliance and water heater leaks in Mill Valley
- Same problem nearby: storm flooding in Sausalito, storm flooding in Larkspur, storm flooding in Corte Madera, storm flooding in Tiburon
Frequently asked questions
Why does water come down my street into my garage?
Steep streets channel runoff. Clear drains and consider barriers at garage thresholds.
Does homeowners insurance cover flooding?
Standard policies typically exclude flood; flood insurance through the NFIP or private insurers may apply. See FloodSmart.gov.
Is floodwater dangerous?
Floodwater is treated as contaminated. Wear boots and gloves and follow CDC guidance.