538 Plumosa Ave, Vista, CA 92081

Property Description

The Mainsail Horizons of Vista Project RECORD ID: PDS2017-MPA-17-012; APN 217-131-58 The Mainsail Horizons of Vista project (PDS2017-MPA-17-012) consists of an application for a Major Use Permit to allow the construction of an Assisted Living and Memory Care facility on an approximately 2.6- acre vacant property. The site supports two more-or-less discrete plant communities or habitats: Non-native Grassland and Disturbed/Developed habitat. The project as proposed will impact biological resources, resulting in a need for mitigation. Mitigation must take place offsite in a County-approved location due to full site use for development purposes. In addition, an avian nesting survey and/or seasonal restrictions on any future site development are recommended to ensure project consistency with the Migratory Bird Treaty Act and the California Fish and Game Code. The Mainsail Horizons of Vista project is an application to allow the development of an approximately 2.6- acre parcel (APN 217-131-58) under a Major Use Permit (MUP) allowing the construction of an Assisted Living and Memory Care facility. As designed, the facility will support a 59,148 square-foot 4-story building along with parking spaces, a swimming pool, landscaping, other improvements and associated infrastructure. The 2.6-acre project site is located southwest of State Route 78 and fronting Plumosa Avenue on unincorporated County lands between the Cities of Vista and San Marcos.

Listing Status:

Active

Date Added:

May 30, 2025

Data Last Updated:

May 21, 2026 at 2:11AM

Listing Office:

Magic Realty : 818-240-8080

Listing Agent:

Sean Madadian : 818-635-3500

MLS ID:

GD25120984

Location

• HOA Amenities: 0.0
• Originating MLS: California Regional MLS
• County: San Diego

Lot

• Zoning: 2025-06-012171315800

Financial

• Source: California Regional MLS