Josh Brooks Construction and Renovation Inc. is Longmont’s trusted ADU contractor. Accessory Dwelling Units have become one of the most popular home improvements in Longmont — generating rental income, housing family members, and dramatically increasing property values in Boulder County’s competitive real estate market.
ADU Construction Services in Longmont CO
- Detached backyard ADU construction
- Attached ADU additions
- Garage conversion to ADU
- Basement ADU finishing
- Above-garage ADU construction
- ADU permit coordination with City of Longmont
- Full design, construction, and inspection management
Longmont’s ADU Regulations
The City of Longmont has streamlined ADU permitting in recent years to address housing demand. Most single-family properties in Longmont are now eligible for an ADU. We handle all city permitting, design review submissions, and inspection scheduling — making the process as smooth as possible.
ADU ROI in Longmont’s Rental Market
Longmont’s rental market is strong. A well-built ADU in Longmont typically rents for $1,200–$2,200/month depending on size and location, delivering an exceptional long-term return on your construction investment.
Build your ADU with Josh Brooks Construction and Renovation Inc.
Local help: Josh Brooks Construction handles kitchen remodeling in Boulder and basement finishing in Boulder. Licensed. Local. Not a storm chaser. Call 720-828-7997.
Data You Can Trust
Colorado Homeowners: The Numbers Behind Your Biggest Investment
$1.9B
Front Range hail damage May 2024
NOAA
3×
more likely to claim with roof 20+ yrs old
Insurance Data
96%
ROI on minor kitchen remodel
2025 Cost vs. Value
86%
basement finishing costs recovered
NAR / NARI
“ADU contractor in Longmont — accessory dwelling units are one of the fastest-growing segments in Colorado construction. I’ve been building them since 2014. Full permits, engineering, all trades.”
Josh Brooks
Licensed General Contractor CON-24-0152 | Northern Colorado Since 2014
For the full build process, permits and inspections, see our page on hiring a building contractor in Longmont.
