Paramount is a residential southeast suburb with deep working-class roots — neighborhoods of postwar and mid-century homes where families stay for generations and improve their properties steadily over time. It’s a practical market: owners want solid work, honest proposals, and a contractor who treats a modest project with the same seriousness as a big one.
Practical markets are where the multi-trade model quietly outperforms. A Paramount bath remodel still needs a plumber; a kitchen expansion still needs HVAC and structural coordination — and hiring those separately on a modest budget is where projects go sideways. Mars Construction Industries Corp holds four CSLB classifications in-house — A (General Engineering), B (General Building), C-36 (Plumbing), and C-20 (HVAC) — so even a straightforward project gets one licensed, bonded, and insured team and one written proposal.
Construction & Remodeling Services in Paramount, CA
Our residential work in Paramount covers kitchen and bathroom remodels, room additions for growing families, and whole-home updates for the city’s older housing stock. Because our plumbing and HVAC crews are in-house, we bundle the finish work with mechanical renewal — repipes for aging galvanized lines, water heater and gas line replacement, and HVAC install or replacement — so walls open once and one schedule governs everything.
Sewer laterals in postwar neighborhoods deserve attention before they become emergencies. Our 911 Drain Lines division camera-inspects lines and shows you the footage, clears roots and buildup with hydro jetting, and repairs trenchlessly where the pipe qualifies — our sewer lining carries a 20-year warranty.
ADUs fit Paramount’s lots and multigenerational households. Through our sister brand ADU Cities, we’ve delivered more than 100 accessory dwelling units in four years — garage conversions and detached backyard units built start to finish by one accountable team.
- Kitchen and bathroom remodels
- Room additions for growing families
- Whole-home updates for older houses
- Repipes, water heaters, and gas lines
- ADUs and garage conversions via ADU Cities (100+ built in four years)
- Sewer camera inspection, hydro jetting, and trenchless repair with a 20-year lining warranty
- HVAC install, replacement, and repair
- Drain and plumbing repairs through 911 Drain Lines
Why Paramount Property Owners Choose Mars
Paramount homeowners want straight talk and work that lasts. That’s the whole model:
Mars Construction Industries Corp is a general contractor backed by 30+ years of hands-on experience, based in Orange, California. We are licensed, bonded, and insured, holding four CSLB classifications in-house under license #1138550: A (General Engineering), B (General Building), C-36 (Plumbing), and C-20 (HVAC). We are also SB-PW and SB(Micro) certified.
That means one accountable team. Most projects cross trades, and that is where jobs stall — the plumber blames the framer, and you are left managing people who do not work for you. With Mars, the general contractor, the plumbing crew, and the HVAC crew are the same company: one estimate, one schedule, one phone number, and no gaps between trades.
Proudly Serving Paramount and Los Angeles County
Paramount sits in Los Angeles County, and we serve it regularly from our Orange County home base. We serve Paramount and the surrounding southeast Los Angeles County communities — Bellflower, Downey, Long Beach, Compton, and beyond — from our Orange County base.
Frequently Asked Questions
Is Mars Construction Industries Corp licensed for this work?
Yes. We operate under CSLB license #1138550 with four classifications in-house: A (General Engineering), B (General Building), C-36 (Plumbing), and C-20 (HVAC). We are licensed, bonded, and insured, and we hold SB-PW and SB(Micro) small-business certifications. You can verify any contractor’s license status through the Contractors State License Board before you sign anything — and you should.
Can you combine our remodel with the plumbing updates the house needs?
Yes — that’s our standard approach. We scope the remodel and the mechanical work in one written proposal, so the repipe, sewer, or HVAC work happens while walls are already open. One project, one crew sequence, less disruption than doing them years apart.
How does your estimate process work?
We start with a walkthrough of the property, listen to what you want to accomplish, and then put together a written proposal with clear, combined labor-and-material pricing. You get one document from one company covering the construction, plumbing, and HVAC scope — not three separate bids you have to reconcile yourself. There’s no obligation, and we’ll tell you straight if a project doesn’t make sense.
Do you subcontract everything out?
No. We self-perform across our four licensed classifications — general construction, plumbing, drain and sewer, and HVAC — which covers the bulk of most residential and commercial projects. For work outside our classifications, such as electrical, we coordinate properly licensed subcontractors and stay accountable for their work as your general contractor. You still deal with one team.
Get a Straight Answer on Your Project
Planning a remodel, an addition, an ADU, or just need a straight answer about a plumbing or HVAC problem? Talk to a contractor that can do it all. Call Mars Construction Industries Corp at 310.880.9718 or email brett@marsx.construction for a walkthrough and a written proposal. One team, four licenses, and an answer you can build on.
Plumbing or drain emergency? Our sister brand 911 Drain Lines answers around the clock at 714.746.7611.