Your home
should work
for you.
Stop overpaying on energy bills. Stop living with damaged walls. MBS fixes the problems most contractors ignore.
Four problems.
Four solutions.
Not sure which one you need?
Call us — we'll figure it out together.
Your heating & cooling bill is too high.
Blown-In Insulation
Cold air sneaks in through wall cavities and attic gaps. Dense-pack blown-in insulation seals every void — so your HVAC runs less and your bills drop. Guided by BPI building science.
Your wall is cracked, dented, or water-damaged.
Drywall Hang & Repair
Whether it's a small patch or a full room of new drywall, we hang, tape, and prep every surface cleanly. No shortcuts. No callbacks. Just solid walls.
Your walls look rough, uneven, or just not right.
Drywall Finishing
Level 4 and Level 5 finishing — the smoothest surfaces your walls have ever had. We tape, mud, sand, and skim coat until it's paint-ready perfection.
Your rooms feel tired, dull, or dated.
Interior Painting
Benjamin Moore or Sherwin-Williams Emerald — premium paints applied with the skill and tools to get it perfect. Clean lines, no drips, no mess. Just a room that looks brand new.
Not sure which service you need? We'll walk you through it — no pressure.
Call (609) 287-4301We fix what most
contractors ignore.
Most contractors fix what you can see. We fix what you can't — the gaps, the voids, the thermal bridges that silently drain your energy budget every single month.
Building Science, Not Guesswork
We apply BPI principles to every project. Your home is a system — we find where energy escapes and fix it at the source.
13+ Years of Hands-On Craft
Jason Marcial has been doing this since 2013. That experience shows in every seam, every coat, and every cavity we fill.
Truly Local. 25-Mile Radius.
We only serve South Jersey. That means faster response, real accountability, and a contractor who actually knows your neighborhood.
Licensed, Insured & No Surprises
Full liability insurance, registered LLC in NJ. Free estimates, transparent pricing. What we quote is what you pay.
Simple as three steps.
You call. We listen.
Tell us what's going on — high bills, damaged walls, a room that needs paint. We ask the right questions and come out for a free look.
We assess & recommend.
Using building science principles, we identify the real problem and give you a clear, honest recommendation. No upselling. No jargon.
We do the work. Right.
Jason and the team handle everything — no subcontractors, no shortcuts. We leave your home cleaner than we found it.
Ready to start?
Free estimates. No pressure. Just honest work.
Built on craft.
Guided by science.
MBS Construction Group LLC was founded with one goal: bring building science to interior construction in South Jersey. We don't just hang drywall and paint walls — we think about how your home works as a system.
With 13+ years of hands-on experience, Jason Marcial built a reputation for quality through MBS Drywall Repair & Paint. MBS Construction Group is the next step — adding blown-in insulation and energy-efficient services guided by BPI standards.
"I started in construction because I love building things right. Now I'm combining that craft with building science — so every home I work on isn't just finished, it's performing."
Local. On purpose.
We stay within 25 miles of Egg Harbor Township. Not because we can't go further — because staying local means we can do better work and be there when you need us.
Not on the list? Call us — if you're within 25 miles, we can help.
South Jersey trusts MBS.
"Jason did an incredible job with our drywall repair and painting after water damage. The finish was flawless — you'd never know there was a problem. Professional, clean, and finished ahead of schedule."
"We had blown-in insulation added to our attic and the difference in our energy bills has been noticeable. Jason explained the whole building science process before starting. Very knowledgeable."
"The drywall finishing on our new addition is absolutely perfect. Level 5 finish — smooth as glass. You can tell this is someone who takes real pride in their craft."
"Jason painted our entire first floor and the results speak for themselves. Clean lines, no drips, no mess. He even pointed out a spot where we were losing heat — that's the building science knowledge you don't get from most painters."
"I've used MBS twice — once for drywall repair and once for painting. Both times: on time, fair price, exceptional quality. This is the kind of local contractor you keep on speed dial."
"After Jason installed blown-in insulation in our walls, our HVAC runs less and the house stays comfortable. The drywall finishing after was seamless. MBS is the real deal."
* Testimonials are representative of the quality and experience MBS Construction Group delivers.
Ready to lower your energy bills?
Free estimates. No pressure. Just honest work from a local crew.