Home Addition Contractor in Longmont & Boulder County
Expanding Your Living Space with Seamless Design and Structural Integrity.
Trust Your Square Footage to an Experienced Home Addition Contractor
Adding onto your home is a major investment that requires more than just a carpenter—it requires a home addition contractor who understands structural loads, foundation tie-ins, and complex permitting. Josh Brooks Construction and Renovation Inc. specializes in creating additions that feel like they were part of the original blueprint.
Master Suite Additions
Create a private sanctuary with luxury baths, walk-in closets, and custom finishes that add massive value to your home.
Second-Story Conversions
Go up when you can’t go out. We handle the structural reinforcement needed to add a full second floor safely.
Garage & ADU Builds
From attached oversized garages to detached Accessory Dwelling Units (ADUs) for family or rental income.
Engineering, Permitting, and Peace of Mind
As a premier home addition contractor, we manage the entire “Permit-to-Paint” process. We work closely with local building departments in Longmont, Erie, and Boulder to ensure every footer, beam, and electrical circuit meets 2026 codes.
Why Boulder County Homeowners Choose Us:
- Seamless Integration: We match your existing roofline, siding, and trim perfectly.
- Foundation Expertise: Proper foundation tie-ins to prevent future settling or cracks.
- Licensed & Bonded: Class C Licensed (CON-24-0152) with $1M/$2M insurance coverage.
- 31 Years Experience: Decades of structural knowledge in Colorado’s unique soil conditions.