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Abstract Horizon

New to Trilogy

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Trilogy at Monarch Dunes is a Shea Homes master planned community that, when completed, will have over 1,300 homes. We have walking trails, a butterfly habitat, the Monarch Dunes Golf Club with two golf courses, the Butterfly Grille restaurant, and a Clubhouse complex. The Clubhouse complex includes gym, pool, jacuzzi, spa, function rooms, Adelina’s Bistro, The Market Place, tennis courts, pickleball courts, bocce facilities, an arts and crafts building, and a central mailroom. USPS does not deliver directly to Monarch Dunes homes but each homeowner has a mailbox in the central mailroom for normal mail delivery and pickup.  Download Trilogy Monarch Dunes Mail Policies for more information.


See Monarch Dunes Website  for links to events, broadcasts, bulletins, and information on clubs, committees and hours of operation.

Your Home

Most Monarch Dunes homes have solar panels on the roof. Most solar installations have been installed by Solar City which is now part of Tesla. You can monitor your solar usage by downloading an app to your smart phone. Some newer homes may use other solar vendors, so check with your Customer Service rep to confirm.


If your home is within the two-year warranty period, you have access to Shea Homes service people who are helpful and will resolve most issues at no cost to you if related to the home construction. Shea Homes will also respond to inquiries related to construction defects for a longer period as required by California law.


The water here is extremely hard so you may want to pay for water softening. The local water company (Woodlands Mutual Water Company) does not permit the use of in-home regenerative water softeners so the only option is to pay for a softener tank service or garage installed filtration system. Some suggested sources are:

  • Culligan (805-238-3815) – Provide initial tank installation and monthly service

  • Rayne (805-925-6555) – Provide initial tank installation and monthly service

Many homeowners will also install Reverse Osmosis (RO) drinking water systems to remove the excess sodium that is in the soft water that comes from the tanks and to improve the taste of the water. Some suggested sources for RO systems are:

  • Richetti (805-928-4052) – Provide installation and service.

  • 5 Cities Water (805-481-9635) – Provide installation and service.


There are also whole-house water conditioning systems that improve the taste of the hard water and filter out minerals, but do not produce soft water. Suggested sources are:

  • Life Source (805-238-3815) – Provide installation and service

  • Aquasana (866-662-6885) – (requires professional installation); visit


Part of moving into your new home should include security and preparedness. Please go to the Security and Preparedness pages on this website for a wealth of suggestions on what you can do to better secure your home and prepare for a major disaster when it occurs.

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