North County San Diego
Modern Builders Supply, Inc.

Modern Builders Supply, Inc.

Specialty Shops in San Marcos

(760) 591-4570825 Grand Ave, San Marcos, CA 92078

Modern Builders Supply, Inc.Modern Builders Supply, Inc., photo 2Modern Builders Supply, Inc., photo 3Modern Builders Supply, Inc., photo 4

Where to find them

825 Grand Ave, San Marcos, CA 92078

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About

A building materials supplier on Grand Avenue in San Marcos, open Monday through Saturday from 7 AM.

Amenities

Accessibility

  • Wheelchair accessible parking
  • Wheelchair accessible entrance

Payments

  • Accepts credit cards
  • Accepts debit cards

Hours

Monday
7 AM to 5 PM | Tuesday: 7 AM to 5 PM | Wednesday: 7 AM to 5 PM | Thursday: 7 AM to 5 PM | Friday: 7 AM to 5 PM | Saturday: 7 AM to 1 PM | Sunday: Closed

Is this your business? Free, takes two minutes.

North Valley Flare

© 2026 North Valley Flare.

North Valley Flare is your fresh local source for everything happening across Vista and San Marcos. From community news and local events to high school sports, hidden gems, wellness, food, and culture, we spotlight the stories, people, and places that make Vista and San Marcos unique. Focused on good vibes and great stories, North Valley Flare brings together the heartbeat of the community with uplifting, engaging, and relevant coverage designed for locals who want to stay connected to what’s happening around them.

© 2026 North Valley Flare.