519 Proton Place, San Marcos, CA 92078 - Photo 1 of 50, San Marcos, CA
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$1,399,000

519 Proton Place, San Marcos, CA 92078

Knopp Coastal Realty
MLS® NDP2609182
4Beds
4Baths
2,429Sq Ft
4Parking
2025Built
44Days Listed

Listing history

About This Property

BRAND-NEW LUXURY HOME WITH CITY VIEWS, MULTIGENERATIONAL LIVING & SUSTAINABLE DESIGN! Welcome to The Hill District in San Marcos, where innovative design, modern amenities, and a commitment to sustainability come together to create an exceptional modern lifestyle. This never-lived-in, 4-bedroom, 3.5-bathroom, three-story home offers 2,429 square feet of thoughtfully designed living space with luxury finishes throughoutand no carpet! This energy-conscious home features owned solar panels, wall batteries, an EV charger, and a Halo-5 whole-home water filtration system. Additional highlights include luxury vinyl flooring, designer window coverings, city and mountain views, an outdoor kitchen, and one of the largest yards in the neighborhood. FIRST FLOOR: Designed with flexibility in mind, the private bedroom and full bathroom can function as a guest suite, home office, gym, in-law suite, or multigenerational living space. The area can be closed off from the main residence and offers the potential for an attached junior ADU-style setup. It includes direct garage access, a washer/dryer, sink, and private access to the backyard and full outdoor kitchen. The outdoor kitchen features a built-in BBQ, 2-burner cooktop, mini refrigerator, and microwave. A spacious patio with luxury pavers and low-maintenance landscaping creates a sunny and inviting outdoor retreat. SECOND FLOOR: The heart of the home features a spacious open-concept great room with a beautifully appointed luxury kitchen and an impressive 23-foot-wide covered patio. The kitchen showcases white shaker cabinetry, white qu

Gino TinucciKnopp Coastal Realty619-665-6701MLS® NDP2609182

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Property Details

Property Type
Detached
Bedrooms
4
Bathrooms
4
Building Area
2,429 Sqft
Living Area
2,429 sqft
Year Built
2025
Stories
3.0
Status
Active
Days on Market
44
Cumulative Days on Market
7
Original Price
$1,399,000
MLS® Number
NDP2609182

Location & Neighborhood

What's nearby 519 Proton Place, San Marcos, CA 92078

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POI data updated 10/2/2026

Last updated: Oct 7, 2026

Based on information from California Regional Multiple Listing Service, Inc. as of the date of this data. This information is for your personal, non-commercial use and may not be used for any purpose other than to identify prospective properties you may be interested in purchasing.

$1,399,000