About Us

Carol R Griggs – Broker/Owner/REALTOR

Carol and Tom Griggs started Frontier in Sonora in 2006. Carol brings her years of experience of mechanical engineering and driving corporate customer service and cost reduction programs in Silicon Valley to her leadership of Frontier Property Management and Real Estate sales. Her action and detail-oriented personality and strong interpersonal skills drive quality service, customer satisfaction and constant improvement. With over 15 years at Frontier, she is now considered the local expert in the property management industry. Frontier’s Real Estate Division continues with ever expanding growth. Her goal is amazing customer service!
DR# 01471544

Tom W Griggs – Broker/Owner/REALTOR/General Contractor/Vietnam Vet

Tom has over 45 years of Real Estate Sales and Property Management experience. During this time, he grew the business through three recessionary cycles by providing creative asset management advice to his clients. As the Senior Broker and Field Supervisor, he maintains and grows owner return on assets through strong tenant management, extensive and creative marketing and effective strategies for short- and long-term home maintenance. Tom has one simple goal: A Home for Everyone.
DRE# 00478623

Jenn Lane –Property Manager and Sales/REALTOR/Accounting Manager

Jenn has more than 20 years experience in Sales and Banking plus a BA in Business Administration, She is equipped with a detail-oriented background, attention to detail and responsiveness that bring the highest quality to your property management and real estate sales experience. With over 6 years working in Real Estate and Property Management for Frontier, her clients sing high praises for her personalized service!
DRE# 02002095

Shelly Ravelli – Property Manager and Sales/REALTOR

Shelly has over 30 years experience in the Real Estate industry including; Investment, Residential & Commercial Real Estate Sales, General Plan Amendments, Zoning, Parcel Splits, Nationwide Mortgage lending and leasing. Over 9 years at Frontier working in Property Management and Real Estate sales. Shelly is creative and driven and has what it takes to open the door to your real estate goals!
DRE# 01130105

Havilah Flores – Property Manager and Sales Agent/REALTOR

Havilah brings the highest level of customer service and communication skills to her work in Property Management and Real Estate Sales. She has been with Frontier for over 4 years, working with Tenants and Property Owners to match them to their perfect new homes and expertly solving questions and concerns to make every transaction go smoothly.
DRE# 02129252

Karen Fink – Administrative Assistant

With Karen’s help and over 20 years in advertising and marketing, homes rent and sell fast. Her awesome customer service makes everyone happy when they call or come to Frontier for their Property Management and Real Estate Sales needs.

Sarah Shields – Accounting

Sarah has been with Frontier for many years in customer service and now as our Accounting Assistant. She adds her experience in customer service and her detail-oriented personality to keep your bills and other accounting needs accurate and paid on time!