The Walnut Country Business Office is CHOA’s center for resident needs and community management.
Monday – Friday, 9a – 5p
Closed on weekends and holidays
For regular homeowner or business assistance outside of Business Office hours, contact:
315 Diablo Rd, Suite 221
Danville, CA 94526
Phone: (925) 743-3080
Fax: (925) 743-3084
Homeowner or Business
CHOA General Manager – Bill Mazza
4498 Lawson Court
First Security Services
Phone: (877) 900 – 1110
CHOA security company patrols the common use areas and facilities.
If you have a problem on your street or private residence please call the Concord Police Department at one of the following numbers:
Business Office Information
The CHOA Business Office offers copies of Rules; By-laws; Covenants, Conventions, and Restrictions (CC&Rs); Articles of Incorporation; other governing documents; and meeting minutes and agendas for homeowner review. These are also available online with a password-protected homeowner login.
The office also offers approved samples and guidebooks of:
- Artificial turf
- Paint colors
Visitors will also find forms and applications including:
- Architectural application
- Home lease/rental form
- Complaint form
- Vendor Information
Vendors conducting business with CHOA must contact the Business Office to be vetted, supply required forms and documents (e.g., insurance, liability), and receive payment.