Welcome
Colorado's #1 Construction & Design Company.
Locally Owned & Operated in Denver.
Expert construction services designed to bring your vision to life!
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About JJ28 Construction & Design
Our Expertise
With over 10 years of experience in the construction industry, JJ28 Construction & Design has become a trusted name in the field of construction. Our team of experts has the knowledge, skills, and expertise to handle any project, big or small. We have completed numerous projects ranging from residential homes to commercial buildings, and our clients can attest to our commitment to quality and excellence.
Our Services
Basement Finishes
Basement Finishes
Basement Finishes
Bedrooms, bathrooms, wet bars, theaters, gyms—fully permitted and code-compliant.
Kitchens & Baths
Basement Finishes
Basement Finishes
European cabinets, quartz countertops, custom tile, curbless showers, and glass panels.
Roofing
Basement Finishes
Framing & Drywall
Impact-resistant shingles, full ice & water in mountain zones, ventilation solutions, and insurance coordination.
Framing & Drywall
Concrete & Foundations
Framing & Drywall
Stick framing, load-bearing wall removal, RS beams, high-quality finish textures (orange peel, level 4/5).
Concrete & Foundations
Concrete & Foundations
Concrete & Foundations
Driveways, slabs, footings—proper subgrades, rebar schedules, and finishes.
ADUs & Additions
Concrete & Foundations
Concrete & Foundations
Zoning checks, permit sets, utility tie-ins, energy code compliance, turnkey builds.