HERO
Thirty Years of Doing What We Said We’d Do.
Mars Construction Industries Corp has been working across Southern California with 30+ years of hands-on experience — a multi-trade contractor built on the simple idea that one accountable team beats a stack of subcontractors.
OUR STORY
With 30+ years of hands-on experience behind us, we hold ourselves to a simple standard: show up, diagnose honestly, and do the work right. That standard built a company holding four CSLB classifications — A General Engineering, B General Building, C-36 Plumbing, and C-20 HVAC — with dedicated brands for the trades we do most: 911 Drain Lines for drains and plumbing, ADU Cities for accessory dwelling units, plus roof certification and inspection services for real estate transactions.
We’ve grown by keeping work in-house. Every trade we added came from the same frustration our customers had: good people let down by the gaps between contractors. So we became the contractor that closes the gaps.
LICENSE & CERTIFICATIONS
- CSLB #1138550 — Licensed, bonded, and insured in California
- A – General Engineering · B – General Building · C-36 – Plumbing · C-20 – HVAC
- SB-PW & SB(Micro) — California Small Business certified, including for public works
- Sewer lining backed by a 20-year warranty
ONE ACCOUNTABLE TEAM
Here’s what that phrase actually means on your project: the person who designs your ADU works for the same company as the crew that pours its foundation. The plumber who repipes your house answers to the same supervisor as the drywall crew who patches behind him. When something needs a decision mid-project, you make one phone call — 310.880.9718 — and the answer comes from someone who can actually move the work.
CLOSING CTA
Work With People Who’ve Been Here With 30+ years of hands-on experience.
We’re at 1119 W. Collins Ave in Orange, California, and we’re not going anywhere. If you want a contractor with four licenses, thirty years, and one phone number that reaches someone accountable — call 310.880.9718 or write info@marsx.construction.
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From Our Job Sites
Real projects, real crews — shot on our sites across Southern California.