Welcome! We look forward to seeing you at the Mary Isaak Center. Find all the details to make your visit a pleasant one.
Standard Hours:
Monday – Sunday: 8:00 AM – 6:30 PM
When You Arrive:
Please enter through our main entrance, located on the Southeast side of our building facing the parking lot.
All visitors are required to check-in at the front desk. You may be asked to sign in. Our staff will gladly assist with any questions you may have.
Getting Here
We are located at 900 Hopper St, Petaluma, CA, 94952.
Our main entrance is located on the Southeast side of our building, facing the parking lot.
Ubers, Lyfts, and other taxi service carriers will drop off on the Northwest corner of our property- please walk around the building to access our main entrance.
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You can also arrive by taking the SMART train.
Get off at the Downtown Petaluma Station. From there, it’s about a 15-minute walk to the Mary Isaak Center.
Walking directions:
- Cross the railroad tracks onto Lakeville Street.
- Walk southeast on Lakeville Street.
- Turn right onto Caulfield Lane.
- Turn right onto Hopper Street.
- Walk around the building to find our main entrance.
Parking
Visitor parking is available onsite. If you are a volunteer, visitor, or client, please do not park in spots designated for COTS’ Staff, Nurses, or Facilities.
Please note that visitor parking is shared between volunteers, visitors, clients, and other service providers. Spots are limited.
Please lock your bike securely. Bikes are parked at your own risk. COTS is not responsible for loss or damage.
Overflow Parking
Parking is limited onsite, with overflow parking between the Courtyard Petaluma Sonoma County and the new soccer field off Caulfield Lane.
Parking in the hotel parking lot is not permitted.
Our Satellite Office Locations
Kids First Family Shelter
1500 Petaluma Blvd S, Petaluma, CA
(707) 765-6530
Santa Rosa Offices
1421 Guerneville Road, Suite 200 and Suite 203
(707) 765-6530