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Overview
About this business
L12 Construction is a home construction and maintenance business serving Oshkosh, WI. Established in 2012 by Jason Laplante, a third-generation general contractor, L12 Construction offers over 20 years of expertise in home renovations and maintenance. L12 Construction specializes in interior renovations including kitchens, bathrooms, basements, and full house renovations, as well as exterior renovations such as roofing, siding, windows, doors, soffit, fascia, gutters, decks, and fencing. L12 Construction also provides property maintenance and handyman services, including emergency house calls with a service call fee. The business emphasizes safety compliance and quality craftsmanship, serving the Fox Valley area with personalized construction solutions.
Roofing Repair
Services
Services and categories listed for this business.
Roofing RepairKitchen RenovationBathroom RenovationBasement RenovationFull House RenovationRoofingSiding InstallationWindow InstallationDoor InstallationSoffit and FasciaGutter InstallationDeck Construction
L12 Construction serves Oshkosh, WI, and the Fox Valley area.
What types of interior renovation services does L12 Construction offer?+
L12 Construction offers kitchen, bathroom, basement, and full house renovations including demo, framing, flooring, cabinets, countertops, tiling, drywall, and trim work.
Does L12 Construction provide exterior renovation services?+
Yes, L12 Construction provides exterior renovation services including roofing, siding, windows, doors, soffit, fascia, gutters, concrete driveways and patios, decks, and fencing.
Does L12 Construction offer emergency or handyman services?+
Yes, L12 Construction offers property maintenance and handyman services including emergency house calls with a $150 service call fee.
How many years of experience does L12 Construction have?+
L12 Construction has over 20 years of experience in home construction and renovation.
We couldn’t be happier with our home’s exterior remodel, thanks to Jason. From start to finish, he followed through on every promise and delivered exactly what he said he would — ans close to schedule ans possible and on budget, even when unexpected challenges came up.
His organization and attention to detail were impressive. The estimate was thorough and clearly laid out, and he kept everything running smoothly by coordinating crews and schedules flawlessly. Jason has excellent taste and offered ideas that fit perfectly with our vision, helping us create the look we always wanted for our forever home.
He’s a great listener, communicates w...We couldn’t be happier with our home’s exterior remodel, thanks to Jason. From start to finish, he followed through on every promise and delivered exactly what he said he would — ans close to schedule ans possible and on budget, even when unexpected challenges came up.
His organization and attention to detail were impressive. The estimate was thorough and clearly laid out, and he kept everything running smoothly by coordinating crews and schedules flawlessly. Jason has excellent taste and offered ideas that fit perfectly with our vision, helping us create the look we always wanted for our forever home.
He’s a great listener, communicates well, and truly cares about the quality of his work and his clients’ satisfaction. We already have more projects in mind and wouldn’t hesitate to hire him again. In the process, we didn’t just find a great contractor — we gained a dear friend.
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Travis Shufelt
May 16, 2025
★★★★★5.0
Shout out to L12! Jason and Team did an excellent job on our closets! They were timely, professional and personable. They pointed out and addressed other areas of concern while staying within our budget. I will definitely use them for future projects.
T
Tim Paterson
Jan 21, 2026
★★★★★5.0
They did our entire exterior on our home and could not be more impressed with the final results. Jason is easy to work with and you can tell he is passionate about the job and making sure it goes smoothly. We will be using them in the summer to build a garage for us, we can’t wait! Thank you l12 construction for everything!!
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Michael Lum
Apr 2, 2025
★★★★★5.0
Jason at L12 Construction has always done great work for us in a multitude of houses. Everything from load bearing walls, floor replacement, bathroom remodels, rod iron front doors, drywall, whole house water line replacement and much more. He offers fair pricing and you know you will get the job done right the first time, no exceptions or compromises.
I would give him a 6 out of 5 stars if I could and will definitely recommend him to anyone looking for work to get done. Certainly won’t be my last time calling for his services.
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Paulita Gonzales
Oct 19, 2025
★★★★★5.0
Numerous jobs completed off my to-do list because of Jason and his crew. They did an excellent job, very reliable, go above and beyond to make their customers happy. They put in late hours plus weekends to accommodate any schedule. I’m very happy to have found a person I can trust with my home.
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