The 10 Best Addition contractors in Boulder, CO

Notable project: (Right-of-way. 310 Linden Ave, Boulder, CO, 80304). Tap/install new 1inch water serviec with fire combo, associated with building permit pmt2015-01040 ***street is less than 3 years old, special restoration requirements will apply

Notable project: (Single family detached dwelling - remodel. 475 Utica Ave, Boulder, CO, 80304). Remodel of kitchen and two baths in a single family detached dwelling. scope will also include replacement of all windows and exterior doors and replacement of existing siding with new hard coat stucco. two window/door openings will be enlarged as shown on plans. all other exterior opening will be... (more)

Notable project: (Addition of an accessory building. 2940 20th St, Boulder, CO, 80304). Existing garage remodel to include a second story addition of a studio and a toilet room. scope of work includes associated meps. total square footage of improvements is 703. owner to provide meter and panel location and mechanical system information and copy of original survey used to create site plan later

Notable project: (Multi-family dwelling - addition and remodel. 2353 13th St, Boulder, CO, 80304). Remodel (3, 256sf) and addition (326sf) to existing non-conforming triplex (please refer to lur2014-00073 for non-conforming use review approval). scope includes complete interior renovation of all three dwellings (no net bedroom count change) and conversion of 326sf of existing crawlspace into... (more)

Notable project: (Mechanical. 1727 Columbine Ave, Boulder, CO, 80302). Repair to furnace and water heater flue(s), replace gas valve on furnace, and repair gas leak at furnace flex connector per xcel red flag.

Notable project: (Addition to a single family detached dwelling. 824 Cypress Dr, Boulder, CO, 80303). Addition of 22 square feet for a new elevator shaft servicing two levels of the existing home. elevator and equipment not included in scope. no electrical work included in scope of work for this permit

Our projects range from residential remodels to small commercial build outs. With 35 years experience, we can guide you through the project of your dreams. Honest, punctual and clean, we will treat your home as if it were our own. We pride ourselves on exceptional workmanship, transparent pricing and customer satisfaction. Referrals available upon request.

TreeLine Homes is Boulder County’s premier luxury home builder, specializing in ground-up custom homes and large remodel projects of various styles for private clientele. In business in Boulder County for over 20 years, TreeLine strives to exceed expectations and compete at a level of superior performance by placing honesty, integrity and trust as the highest values of the company. TreeLine... (more)

Notable project: (Eldorado springs sanitation hookup. 267 Eldorado Springs Dr, Eldorado Springs, CO, 80025). 267 eldorado springs dr es hook-up

Notable project: (Building, electrical, plumbing. 1989 Hardscrabble Pl, Boulder, CO, 80305). Addition of of 355 sqft of additional attached garage space for single family detached dwelling. scope also includes the removal of existing bathroom rough-ins, a remodel of the laundry area, and upgrade of existing electrical service.

Zero Energy, LLC. is a lead builder of sustainable energy residential and commercial projects. We are exclusive distributors and installers of the Cempo recycled-insulated-concrete wall forming system in addition to distributing Thermomax evacuated tube collectors.

Notable project: (New accessory building. 906 Rosewood Ave, Boulder, CO, 80304). Construction of 187 square foot deck on south side of existing house. southernmost 70 square feet to be less than 30 inches above grade. the remainder of the deck to be level with the finished floor elevation of the house. see adr2014-00064 for approved minor modification

Notable project: (Single family detached dwelling - remodel. 1105 Drexel St, Boulder, CO, 80305). Interior remodel (168 sf) to single family dwelling dwelling. new egress windows new mechanical room (with replacement forced-air furance and water heater - both to now be direct vent appliances) one new bathroom. new front porch (166 sf). includes meps

Notable project: (Roofing. 7310 Doral Dr, Boulder, CO, 80301). Country club estates club house-total tear-off & reroof of sfd, 22 squares of asphalt shingles on a pitch represented as 6/12. shingles to comply with astm d225 or d3462 and d3161 class f. overlay not allowed - see section r907.3 (specifically item 4) of 2006 irc. mid-roof inspection required if pitch is less than 4/12.