We’re not just another contractor working in Orange — we’re based here, at 1119 W. Collins Ave, minutes from Old Towne’s historic streets, the Chapman University district, and the newer neighborhoods spreading east. Orange asks more of a contractor than most cities: a 1905 Craftsman needs a completely different touch than a 1990s tract home, and both need someone who understands what they’re working with.
Mars Construction Industries Corp brings 30+ years of hands-on experience to every project, holding four CSLB licenses in-house — A General Engineering, B General Building, C-36 Plumbing, C-20 HVAC (Lic. #1138550). For Orange homeowners that means the repipe, the kitchen remodel, the sewer lateral, and the new HVAC can all come from one accountable team instead of a rotating cast of trade contractors. Historic character preserved, modern systems installed, one phone number for all of it.
Construction & Remodeling Services in Orange, CA
Old Towne Orange is one of Southern California’s great historic neighborhoods — and its plumbing is often as old as its architecture. We do the careful work these homes need: whole-home repipes routed to protect plaster and millwork, sewer camera inspections before you dig, and trenchless lining with a 20-year warranty that avoids destroying a century-old garden. Around Chapman and through the family neighborhoods, the work shifts to kitchen and bath remodels, additions, and ADUs — through ADU Cities (100+ built in four years) as a single design-build package.
Orange’s commercial corridors keep our tenant-improvement division busy with office, retail, and restaurant build-outs. With plumbing, HVAC, and general building in-house, TI schedules stay tight and surprises stay manageable — and our C-20 crews keep homes comfortable too, sizing replacements for everything from historic houses to new construction.
- Historic-home remodeling — careful renovations that respect Old Towne character while modernizing systems.
- Whole-home repipes — aging supply lines replaced, routed to protect historic finishes.
- Sewer camera inspection and trenchless lining — diagnose the lateral, then line it without excavation; 20-year warranty.
- ADUs and additions — garage conversions, detached units, and room additions via our ADU Cities team.
- HVAC install, replacement, and repair — C-20 crews for historic homes and new construction alike.
- Water heaters and gas lines — replacement, upgrades, and new runs by licensed C-36 plumbers.
- Commercial and tenant improvement — office, retail, and restaurant build-outs, licensed, bonded, and insured.
Why Orange Property Owners Choose Mars
Every property owner eventually chooses: manage a patchwork of trade contractors yourself, or hire one general contractor who owns the whole result. Backed by 30+ years of hands-on experience, Mars Construction Industries Corp has been the second kind — a licensed, bonded, and insured GC (CSLB #1138550) headquartered in Orange, California, holding four licenses in-house: A General Engineering, B General Building, C-36 Plumbing, C-20 HVAC.
Real projects are never single-trade. A bath remodel is plumbing, carpentry, and HVAC; an addition is engineering, building, plumbing, and mechanical. When one company holds all four licenses, there’s no seam for problems to hide in. You get one estimate, one schedule, and one project manager who answers for everything.
Our SB-PW and SB(Micro) certifications reflect the discipline we bring to the job site. And our sister brands — 911 Drain Lines, ADU Cities, Get Your Roof Certified, Universal Inspect — let us serve Orange County properties end to end, from emergency drain calls to full ADU builds. When a sewer line needs lining, we back it with a 20-year warranty. That’s the accountability Orange keeps hiring us for.
Proudly Serving Orange and Orange County
Orange is our hometown — our office at 1119 W. Collins Ave, Orange, CA 92867 sits in the heart of the city, and Orange County is our home county. Our crews are here daily, which means faster response, easier site visits, and a contractor still around the corner long after the final walkthrough. If you’re in Orange, you’re our neighbor: call 310.880.9718.
Frequently Asked Questions
Do you handle every trade in-house?
The trades that matter most — building, plumbing, HVAC — are our own licensed crews under CSLB #1138550. For specialty scopes outside our four licenses, we bring in vetted specialists and manage them. Either way, you deal with one accountable team and one point of contact.
Do you take on commercial work?
Absolutely — offices, retail, restaurants, and light industrial/warehouse interiors. We’re licensed, bonded, and insured for commercial work with SB-PW and SB(Micro) certifications, and in-house plumbing and HVAC keep TI schedules tight.
What areas do you serve?
We’re based in Orange, California, working within roughly a 50-mile radius across Orange County, LA County, and the Inland Empire. Orange is squarely in our service area — our crews are in Orange County regularly.
I own a historic home in Old Towne. Will a remodel destroy its character?
Not with us. We modernize the systems — plumbing, sewer, HVAC — while preserving the architecture that makes the house special. Because our own crews handle the repipe, carpentry, and mechanical work, new systems get routed thoughtfully instead of tearing through original plaster and millwork. Tell us what you love about the house and we’ll plan around it.
Get a Straight Answer on Your Project
Remodel, addition, repipe, new HVAC, or commercial build-out in Orange — talk to the contractor who can do all of it. Call Mars Construction Industries Corp at 310.880.9718 or email brett@marsx.construction. We’ll give you a straight assessment and a detailed written estimate. Our office: 1119 W. Collins Ave, Orange, CA 92867.
Plumbing or drain emergency? Our sister brand 911 Drain Lines answers around the clock at 714.746.7611.
One accountable team. Four licenses. With 30+ years of hands-on experience. That’s Mars.