Section Image
$1,264,900
NEW CONSTRUCTION AVAILABLE NOV 2025

509 Proton Place San Marcos, CA 92078

The Hill District - Apex
Barham Discovery Community Neighborhood

Estimated payment $8,356/month

Total Views 1,736
4 Beds
3.5 Baths
2,429 Sq Ft
$521 Price per Sq Ft

Highlights

  • Fitness Center
  • New Construction
  • Lap or Exercise Community Pool
  • Double Peak School Rated A
  • Clubhouse
  • Tennis Courts

About This Home

The first floor of this new three-story home is host to a bedroom with an en-suite bathroom, providing the ideal place for a guest suite or office space. On the second floor, an open-concept layout features convenient access to the balcony, great for everyday entertaining and multi-tasking. On the third floor are three additional bedrooms, including the luxe owner’s suite with a spa-inspired bathroom, dual walk-in closets and private deck access.

Builder
Lennar
Lennar

Sales

Office Hours:
Thursday Appointment Only
Friday Appointment Only
Saturday Appointment Only
Sunday Appointment Only
Monday Appointment Only
Tuesday Appointment Only
Wednesday Appointment Only

Home Details

Home Type

  • Single Family

HOA Fees

  • $252 Monthly HOA Fees

Home Design

  • New Construction

Interior Spaces

  • 3-Story Property

Bedrooms and Bathrooms

  • 4 Bedrooms

Community Details

Amenities

  • Community Barbecue Grill
  • Picnic Area
  • Clubhouse
  • Children's Playroom
  • Lounge

Recreation

  • Tennis Courts
  • Pickleball Courts
  • Sport Court
  • Community Playground
  • Fitness Center
  • Lap or Exercise Community Pool
  • Dog Park
  • Event Lawn
  • Recreational Area
  • Trails

Home Details

Home Type

Single Family

Lot Details

0

HOA Fees

$252 per month

Listing Details

  • Property Sub Type: Single Family Residence
  • Property Type: Residential Spec
  • Community Features: Lap or Exercise Community Pool, Children's Playroom, Fitness Center, Recreational Area, Trails, Community Playground, Pickleball Courts, Sport Court, Tennis Courts, Clubhouse, Lounge, Community Barbecue Grill, Dog Park, Picnic Area, Event Lawn
  • Co List Office Mls Id: 11094
  • Standard Status: Active
  • Subdivision Name: Apex
  • Is New Construction?: Yes
  • ModelId: 70511
  • PlanUrl: https://www.lennar.com/new-homes/california/san-diego/san-marcos/the-hill-district/apex/apex-3?utm_source=bdx&utm_medium=listing&utm_campaign=sdglen_listing_bdx_apex-3
  • PlanType: Residential
  • Special Features: NewHome

Interior Features

  • Full Bathrooms: 3
  • Half Bathrooms: 1
  • Total Bedrooms: 4
  • Stories: 3
  • Stories: 3

Exterior Features

  • Builder Name: Lennar - San Diego Division

Map

Other Move In Ready Homes in The Hill District - Apex

About the Builder

Lennar
Lennar
Lennar Title is one of the largest real estate settlement service providers in the United States. As a wholly-owned subsidiary of Lennar—America’s largest homebuilder and an S&P 500 company—Lennar Title offers a unique blend of personal, dependable service backed by exceptional financial strength and stability. With decades of industry experience, the company is committed to ethical governance, regulatory compliance, and delivering seamless title and escrow services across the country. Lennar Title operates through regional leadership, including seasoned professionals like Cristina Pardo (President), Dawn Schweter (Texas Region President), and others who bring deep expertise in escrow, operations, and real estate law.
Section Image
Learn More about Lennar
California San Diego County San Marcos 92078 Barham Discovery Community

509 Proton Place, San Marcos, CA

This home is located at 509 Proton Place, San Marcos, CA 92078 and is currently priced at $1,264,900, approximately $520 per square foot. 509 Proton Place is a home located in San Diego County with nearby schools including Double Peak School, Mission Hills High School, and Baypoint Preparatory Academy - San Diego.

Disclaimer: Certain information contained herein is derived from information provided by parties other than Homes.com. All information provided is deemed reliable, but is not guaranteed to be accurate and should be independently verified.

Nearby Homes