Transform Your Unfinished Basement Into a Functional Living Space
Is your basement just wasted square footage? At Mammoth Construction, we specialize in basement finishing and basement renovations across Herriman, South Jordan, Riverton, and Salt Lake County. From framing studs and basement walls to drywalling, subfloors, and waterproofing, our team delivers high-quality results that turn your dark, unfinished basement into a bright, usable part of your home.
Whether you’re dreaming of a cozy family room, a play room for the kids, a quiet home office, or even a rental-ready basement apartment, our experienced contractors can bring your ideas to life—on time and on budget.
At Mammoth Construction, we’re more than just deck builders—we’re outdoor living specialists. Our team has experience designing and building decks, patios, pergolas, covered spaces, and more, all customized to fit your home and the unique Utah climate.
We help with:
Custom deck design and construction
Composite and wood decking options
Patios, pergolas, and covered decks
Outdoor kitchens and dining spaces
Built-in seating, lighting, and storage solutions
Family-friendly layouts with safety and comfort in mind
Designs that maximize both space and style
Whether you’re looking for a cozy backyard retreat or a large deck built for hosting, our outdoor living experts will bring your vision to life.
At Mammoth Construction, we handle basement remodeling projects of every size. Whether you need basic drywall installation or a complete basement renovation with plumbing, HVAC, and flooring, our licensed team takes care of every detail.
Basement wall framing with studs and bottom plates
Proper alignment with joists and load-bearing requirements
Compliance with local codes for safe construction
Rigid foam insulation or fiberglass for comfort and efficiency
Basement waterproofing solutions to prevent water damage and moisture problems
Mold resistant materials for healthier living spaces
Professional drywalling for smooth, durable walls
Options for drywall ceilings or drop ceilings, depending on design and access needs
Finishing details like paint, trim, and texture
Subflooring for durability and comfort over concrete floors
Popular options like LVP (luxury vinyl plank) and vinyl plank flooring
Carpet, tile, or engineered wood to match your design ideas
Integration of HVAC systems and ductwork for year-round comfort
Licensed electricians for lighting, outlets, and basement ceiling fixtures
Egress window installation for safety and code compliance
Finishing a basement requires precision, planning, and expert execution. At Mammoth Construction, we follow a step-by-step process that ensures efficiency without cutting corners.
Design & Planning
– We start with your vision: whether it’s a home theater, office, or extra bedroom. We create design ideas, check local codes, and map out everything from basement stairs to exterior wall framing.
Framing & Insulation
– Our crew installs studs, joists, and bottom plates for a strong foundation. We then add insulation—rigid foam or fiberglass—for comfort and efficiency.
Moisture & Waterproofing
– Before drywalling, we address any moisture problems with waterproofing, mold resistant materials, and drainage solutions to protect your investment.
Drywalling & Ceilings
– We install drywall walls and ceilings, with options for drywall ceilings or drop ceilings. Every seam and joint is finished for a polished look.
Flooring Installation
– From concrete floors to subflooring and LVP, we handle every flooring installation with precision.
Electrical, HVAC & Finishing Touches
– Our team installs lighting, outlets, HVAC ductwork, and final details like trim, paint, and fixtures.
With a proven system and attention to detail, we make sure your basement remodel is seamless from start to finish.
When you work with Mammoth Construction, you get more than a deck—you get an outdoor living space designed for comfort, style, and family living.
Ready to turn your dark, unfinished basement into a functional, comfortable living space? At Mammoth Construction, we combine expert craftsmanship, durable materials, and smart design to bring your vision to life.
Fill out our contact form or request a bid today—let’s build your dream basement together.
We stay in constant communication with our customers until the job is done. To get a free quote, or if you have questions or special requests, just drop us a line.
Mon 09:00 am – 05:00 pm
Tue 09:00 am – 05:00 pm
Wed 09:00 am – 05:00 pm
Thu 09:00 am – 05:00 pm
Fri 09:00 am – 05:00 pm
Sat Closed
Sun Closed
Copyright © 2025 Mammoth Construction - All Rights Reserved.
Designed and Managed by Superb Marketing | Property of Mammoth Construction