The 10 Best Addition contractors in Thornton, CO

Notable project: (Building. 592 Meadowleaf Ln, Highlands Ranch, CO, 80126). Rs - basement

Introducing Strong Arm Constructors LLC – where your vision meets our expertise! As a premier general contractor, we specialize in transforming dreams into reality with precision and dedication. With years of experience in the construction industry, our team is committed to delivering high-quality craftsmanship, innovative solutions, and exceptional customer service on every project. Whether... (more)

Notable project: (Building. 175 Yukon St, Lakewood, CO, 80226). Interior remodel : kitchen, dinning, living rooms also removing interior wall ( must provide gas isometric before permit for gas piping )

Notable project: (Building permit - plan review required. 623 W 80th Ave, Denver, CO, 80221). Re roof must meet 90mph wind speed

Notable project: (Residential exterior. 10040 Wolff St, Westminster, CO, 80031). Remove existing deck and replace with new piers and deck. *

Notable project: (Middle district roof. 1038 Monahan Dr, Jefferson, CO, 80456). Tear off existing roof cover and install ice and water shield per park county code. install 24 ga mechanical seam metal roof per manufacturer's high wind specifications

NOCO Design-Build is a Colorado-based design-build construction firm specializing in residential and light commercial projects. We provide an integrated, start-to-finish approach that brings design, planning, and construction under one roof—creating a smoother process, clearer communication, and better outcomes for our clients. Our team delivers high-quality remodels, additions, ADUs, custom... (more)

We are a full service roofing company. We do all trades such as roofing siding, windows, garages, concrete and fences. We have been in Colorado since 2001.

Notable project: (Building permit - plan review required. 50301 E 88th Ave, Bennett, CO, 80102). Res-remove and replace moderal/replace with owens corning 6/12 pitch

Notable project: (Fence. 11654 W 68th Ave, Arvada, CO, 80004). 6 cedar fence 145 linear ft and 3 block ret wall 80 lf

Notable project: (Roofing. 5115 Santa Clara Pl, Boulder, CO, 80303). Tear-off of a15 squares of wood roofing material on a residential structure (mansard roof design). no work on upper levels of roof. mid-roof inspection required. estimated 60:12 pitch or greater.

Notable project: (Building combo. 5515 S Havana Ct, Englewood, CO, 80111). Stone coated steel roof