More space — without leaving home.
A full-service builder for the Denver metro area. We take your addition or ADU from the first walkthrough to the final one — design, permits, structure, and finishes — with the owner managing every step.
New square footage, built to look like it belongs.
An addition ties new construction into an existing home — and that seam is exactly where the work gets hard. When framing, foundation, systems and finishes are split across contractors who don’t talk, the gaps become your problem: rooflines that don’t match, settling at the connection, and no one who owns the result. We handle it as one project, tied cleanly into your existing home, with one person — the owner — answerable for all of it.
Additions and ADUs around the Denver metro also live and die by zoning, setbacks and permits, and that’s where projects stall before they start. We handle the approvals, build on a proper foundation that matches the existing structure, and give you the cost and options before any work moves forward. You approve every change.
New space designed to read as part of the original home, inside and out.
Design, foundation, framing, systems and finishes — coordinated under one roof.
From a single room to a
full backyard ADU.
Most people have heard a remodeling horror story. Our job is to make sure you don’t have one.
Room Additions
More living space, tied into the existing home.
- Bump-outs
- Great rooms
- Primary suites
- Sunrooms
Second Stories & Pop-Tops
Building up when you can’t build out.
- Pop-tops
- Second stories
- New stairs
- Reframed roof
ADUs & Guest Suites
A self-contained home in the backyard.
- Detached ADUs
- Garage conversions
- Basement units
- In-law suites
Foundation & Structure
The work that ties new to existing.
- New foundation
- Engineered framing
- Tie-ins
- Load-bearing changes
Systems
Extending the home’s systems to serve more space.
- Electrical & panel
- Plumbing
- HVAC extension
- Insulation
Finishes & Exterior
Making the addition disappear into the home.
- Matched siding & roof
- Flooring & trim
- Paint
- Windows & doors
Your addition, run in clear steps.
However big the addition, the promise is the same: no surprises you didn’t approve.
Walkthrough & honest conversation
Design direction & selections
Detailed, itemized proposal
Permits, schedule & expectations set
Build, with the owner on it
When the walls come open
Final walkthrough
Additions & ADUs built
across the
metro.
“The best addition is the one you can’t tell was added — so that’s what we build.”
Addition questions,
answered straight.
Yes. We help refine the plans and get finishes, fixtures and materials decided early — and make sure the new space matches the existing home so it doesn’t look bolted on.
Usually, yes — most additions are built alongside the existing home with the connection opened up near the end. We’ll seal off the work area and lay out the realistic disruptions before we start, not after.
The owner — not a rotating project manager. The same person who quotes your job coordinates every trade and is your point of contact from the first walkthrough to the last.
That’s the whole point. We match siding, roofline, windows and trim so the addition reads as original — and tie the foundation and framing in properly so it behaves like one structure, not two.
Yes. Additions and ADUs are permit-heavy — zoning review, setbacks, engineering and inspections. We pull it all and coordinate every inspection. It’s ours to manage, not yours. We never recommend skipping permits.
A 1-year workmanship warranty on labor and installation across the addition. Manufacturer warranties on materials and systems — windows, roofing, HVAC, fixtures — pass directly to you at completion.
Your project begins here.
Send a note about your home, your timeline, and your budget — we’ll be in touch within one business day.
(347) 522-1053
izzy@dreamlinebuildersco.com
Denver metro — roughly a 15-mile radius (Arvada, Lakewood, Littleton, Highlands Ranch, Aurora & nearby)
No obligation — just a straight conversation.