• Trilogy Rio Vista Aerial photo

    Resort Living ... A Vacation Every Day!

  • Trilogy Rio Vista Outdoor Pool

    Enjoy both indoor and outdoor pools

  • Aerial view of a community tennis court with multiple courts, surrounded by trees and adjacent to a parking lot, with houses in the background under a blue sky with clouds.

    Professional Tennis and Pickle Ball Courts

  • A man playing golf on a sunny day on a well-manicured golf course, with large houses in the background and a clear blue sky overhead.

    Championship 18 hole Golf Course

  • A spacious hotel lobby with large windows, a stone fireplace, comfortable seating, and artwork on the walls.

    The Extravagant Vista Club

  • A peaceful park scene with a pond, trees, and ducks near the water, under a blue sky with some clouds.

    Beautiful Golf Course Water Features

  • Trilogy Rio Vista Entrance

    The Entrance to Paradise!

Helping people enjoy vacation living in the Trilogy community since 1996

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Sell A Home
  • A suburban house with brown exterior walls, white garage doors, and a well-maintained front yard with green grass, trees, and bushes under a partly cloudy sky.

    Find My Dream Home

    View home listings in Trilogy’s active adult community in Rio Vista. Vacation living everyday!

  • A cream-colored house with a red door, surrounded by green lawns, trees, and landscaped yard, under a partly cloudy sky.

    Featured Properties

    We are experts in representing buyers and sellers of the area’s most magnificent properties

  • A real estate sign in front of a house with a for sale sign, showing contact information for Shafer Real Estate and agent Diane Shafer, with green grass, trees, neighboring houses, and a bright blue sky.

    What's My Home Worth

    We’re here to help you price it right – get a comparative market analysis today.

  • A spacious hotel lobby with a high ceiling, large windows, stone columns, and wooden beams. There are various seating areas with chairs, sofas, and lamps. Inside, there are potted plants, a colorful area rug, and framed artwork on the wall.

    About Trilogy

    A stunning Shea Homes over 55 community just 2 miles from downtown Rio Vista.

Featured Properties

Woman with long dark hair smiling and squatting on front steps, holding two golden retrievers, outside a house with blue siding and plants.

No one knows Trilogy homes better than Diane!

Meet Diane Shafer

Diane has extensive knowledge of all Trilogy Floor plans, the benefits and features of Trilogy, and the amenities Trilogy has to offer. As a resident of Rio Vista for over 31 years, and a licensed Real Estate Broker, Diane can answer your questions about real estate, new or resale, Trilogy activities & clubs, the local scene, near by shopping, dining, and more!

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Woman sitting on light green steps with three dogs and a cat nearby, outdoors at what looks like a porch, with reddish stucco walls and potted plants.

Congratulations to Drew Haisley for winning Nextdoor’s Neighborhood Favorite Award!

Meet Drew Haisley

Drew Haisley brings 31 years in the Real Estate Industry to the Shafer Real Estate Team. In fact, Drew actually opened Trilogy at Rio Vista when it was Summerset. Drew is a resident of Rio Vista with invaluable knowledge of Trilogy and surrounding areas

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Historical Downtown Rio Vista

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