Adding an ADU — Accessory Dwelling Unit — to your Longmont, CO property is one of the most exciting opportunities for homeowners right now. The City of Longmont has relaxed ADU regulations in recent years, making it easier than ever to add a legal secondary unit to your property.
What Is an ADU?
An ADU is a secondary residential unit on a single-family lot. It can be attached to the main home, built above a garage, or a completely separate backyard cottage. ADUs are sometimes called granny flats, in-law suites, or carriage houses.
Why Build an ADU in Longmont?
- Generate rental income to offset your mortgage
- House aging parents while maintaining independence
- Provide space for adult children returning home
- Significantly increase your property value
- Help address Longmont’s housing shortage
ADU Construction Costs in Longmont CO
A small detached ADU in Longmont typically costs $100,000–$250,000+ depending on size and finishes. Garage conversions are more affordable at $50,000–$100,000. Josh Brooks Construction handles everything from design through final inspection.
Start your ADU project at Josh Brooks Construction and Renovation Inc.