519 Proton PL San Marcos CA 92078 | MLS #NDP2609182
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 throughout—and 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 quartz countertops, stainless-steel appliances, an electric induction cooktop, smart refrigerator, reach-in pantry, and a large island with stainless-steel sink and seating for up to four. THIRD FLOOR: Three additional bedrooms, two full bathrooms, and a dedicated laundry room provide plenty of space and privacy. The spacious primary suite features a private balcony, two walk-in closets, a luxurious freestanding soaking tub, and a walk-in shower. The formal laundry room includes a brand-new washer and dryer set. And yes—there are two laundry areas, one serving each living space. The attached garage includes a covered driveway, providing the ability to accommodate two additional vehicles in front of the home. Outside, enjoy one of the neighborhood’s largest yards, complemented by views of San Marcos city lights and surrounding mountains. The Hill District in North City is a thoughtfully planned community featuring innovative architecture, modern amenities, and sustainability-focused design. Planned and developing amenities include a luxury community center, pool, sports courts, and future parks. Conveniently located with immediate freeway access and close to restaurants, shopping, and everyday conveniences. Enjoy approximately 15 minutes to North San Diego County beaches, 30 miles to downtown San Diego, and 60 miles to Orange County. Brand-new construction, flexible living spaces, exceptional outdoor amenities, and modern sustainability features—this is the opportunity to experience a new standard of living in San Marcos.
Property Details
Price:
$1,399,000
MLS #:
NDP2609182
Status:
Active
Beds:
4
Baths:
4
Type:
Single Family
Subtype:
Single Family Residence
Neighborhood:
92078sanmarcos
Listed Date:
Oct 1, 2026
Finished Sq Ft:
2,429
Year Built:
2025
See this Listing
Schools
School District:
San Marcos Unified
Elementary School:
San Marcos
Middle School:
San Marcos
High School:
Mission Hills
Interior
Bathrooms
3 Full Bathrooms, 1 Half Bathroom
Cooling
CA, ELC
Laundry Features
IG, IR, IN, SEE, STK, UL
Levels
U
Main Level Bathrooms
3
Main Level Bedrooms
3
Exterior
Attached Garage YN
1
Common Walls
NCW
Community Features
SDW, STM, SL, SUB, CRB, PARK, HIKI, BIKI, DGP
Direction Faces
E
Garage Spaces
2
Parking Spots
4
Parking Total
4
View
CI, HI, MT, NE
Financial
HOA Fee
$268
HOA Fee Frequency
MO
Map
Community
- Address519 Proton PL San Marcos CA
- CitySan Marcos
- CountySan Diego
- Zip Code92078
Subdivisions in San Marcos
Market Summary
Current real estate data for Single Family in San Marcos as of Oct 02, 2026
210
Single Family Listed
66
Avg DOM
413
Avg $ / SqFt
$844,776
Avg List Price
Property Summary
- 519 Proton PL San Marcos CA is a Single Family for sale in San Marcos, CA, 92078. It is listed for $1,399,000 and features 4 beds, 4 baths, and has approximately 2,429 square feet of living space, and was originally constructed in 2025. The current price per square foot is $576. The average price per square foot for Single Family listings in San Marcos is $413. The average listing price for Single Family in San Marcos is $844,776. To schedule a showing of MLS#ndp2609182 at 519 Proton PL in San Marcos, CA, contact your Compass agent at 310.409.7242.
Similar Listings Nearby
Courtesy of Knopp Coastal Realty. Disclaimer: All data relating to real estate for sale on this page comes from the Broker Reciprocity (BR) of the California Regional Multiple Listing Service. Detailed information about real estate listings held by brokerage firms other than Compass include the name of the listing broker. Neither the listing company nor Compass shall be responsible for any typographical errors, misinformation, misprints and shall be held totally harmless. The Broker providing this data believes it to be correct, but advises interested parties to confirm any item before relying on it in a purchase decision. Copyright 2026. California Regional Multiple Listing Service. All rights reserved.519 Proton PL
San Marcos, CA
