Cornerstone Customer Care
Home Warranty Request
Please complete the “Warranty Request Form” below if you are a Homeowner needing assistance with a concern in your home.
Service appointments are scheduled Monday through Friday from 7:00 AM to 2:00 PM. Customer Care can be reached during business hours at: (858) 458-9700, then press 2. Business hours are Monday-Friday 7:00am-4:00pm.
If you have an emergency and it is after business hours, please call our Emergency Service number: (858) 458-9700 (then press 5). You will be asked to leave a message, which will be immediately sent to the person on-call. You will get a call back shortly.
For service to appliances and emergencies involving electrical, heating, plumbing, or garage door opener, you may use the telephone numbers provided in your walk-through folder. While for emergencies, these contractors can be contacted directly, please submit a Warranty Request, so we may maintain a record of your concerns.
Warranty Request Form
Thank you for providing us with your information. Our Customer Care Team will respond to your request within 48 hours.
To attach a photo and/or video reference; click “Choose Files” or “Drag & Drop” into the box area. In order to attach multiple files, highlight them all and upload at once. Please only send JPEG, PNG or GIF images that are no bigger than 3 MB each. (3 photos and 1 video per submission) Please do not exceed 6 MB for a video and only send MOV, WMV or MP4 files.