Expert basement finishing in Thornton, CO. AD's Construction transforms unfinished basements into beautiful living spaces. Licensed, BBB accredited. Free estimates. Call 720-541-3584.
GET FREE ESTIMATE 📞 Call 720-541-3584Thornton's newer subdivisions in North Creek, Eastlake, and the growing communities off I-25 often come with unfinished basements — empty square footage waiting to become family rooms, guest suites, home theaters, or rental income ADUs. At AD's Construction, we specialize in full basement finish projects across Thornton. Our licensed Class C team handles framing, electrical, plumbing, HVAC rough-in, drywall, flooring, and all City of Thornton permits — turning your empty basement into the most-used space in your home.
Thornton businesses and property owners turn to AD's Construction for tenant improvements and commercial remodeling. We understand the unique demands of North Metro development: tight schedules, quality control, and minimal disruption to operations. Whether it's office space, retail renovation, or fire/flood restoration, our team delivers licensed, insured commercial work.
Office build-outs, retail finishes, restaurant construction, medical offices. Featured Service →
Licensed disaster recovery. Work with insurance carriers, handle permits, fast response. Discuss Fire or Flood Restoration →
Damage assessment, insurance filing, permitted rebuild. Commercial & residential scope. Discuss an Insurance Rebuild →
Same team, same licensing, same quality. Call 720-541-3584 to discuss your commercial project.
Fill out the form below — we'll contact you within 24 hours. No pressure, no obligation.
Basement finishing in Thornton typically costs $80–$150 per square foot depending on finishes, complexity, and whether plumbing or electrical work is required. We provide free detailed estimates.
Most basement finishing projects in Thornton take 6–12 weeks depending on size and complexity. Projects requiring egress windows or significant plumbing may take longer.
Yes — most basement finishing projects in Thornton require building permits from the City of Thornton. AD's Construction handles all permits and inspections as part of our service.
Yes — adding a bathroom to a basement is one of our specialties. We handle all rough-in plumbing, tile, fixtures, and inspections required by Thornton code.
Yes — a finished basement typically adds significant resale value to Thornton homes, often returning 70–75% of the project cost in added home value.
Get a free, no-obligation estimate from Denver's most trusted Class C licensed remodeling contractor. We'll walk your space, listen to your vision, and give you an honest line-item estimate — no pressure.
📞 Call 720-541-3584