3 Best ADU Builders in Hollis, New Hampshire
Verified ADU contractors and builders in Hollis, NH
Showing 1–3 of 3 listings
JR Garage Services
Transform your underutilized garage into functional living space with expert conversion services in Hollis, NH. From design to completion, we specialize in turning garages into bedrooms, home offices, recreation rooms, and more.
Meetinghouse Builders
Transform your garage into functional living space with expert conversion services in Hollis, NH. Our skilled team specializes in garage-to-living-space renovations, handling everything from structural modifications to finishing touches.
Z Custom Builders
Transform your Hollis garage into beautiful, functional living space with expert conversion services that maximize your home's potential. Our skilled team specializes in garage-to-living-space conversions, handling everything from design and permits to construction and finishing touches.
Frequently Asked Questions — ADU Builders in Hollis
How much does it cost to hire an ADU builder in Hollis?
ADU construction costs in Hollis, New Hampshire vary widely depending on size, type, and site conditions. Detached ADUs typically range from $150,000–$400,000+, while garage conversions and attached ADUs can be more affordable. Contact multiple builders in Hollis to get accurate quotes for your specific project.
How long does it take to build an ADU in Hollis?
In Hollis, the ADU construction timeline typically ranges from 6 to 18 months from permit application to move-in. Permitting alone can take 2–6 months depending on New Hampshire local regulations. Prefab and modular ADUs often have faster timelines than site-built units.
Do I need a permit to build an ADU in Hollis?
Yes, a building permit is required for ADU construction in Hollis, New Hampshire. Your ADU builder will typically handle the permit application as part of their service. New Hampshire has adopted streamlined ADU permitting laws in recent years, which may reduce wait times.
What types of ADUs can be built in Hollis?
Common ADU types in Hollis include detached ADUs (backyard cottages), attached ADUs, garage conversions, basement conversions, and prefab/modular ADUs. The best type for your property depends on lot size, zoning, and budget. A local Hollis ADU builder can advise on what's allowed on your specific parcel.