An accessory dwelling unit can pay for itself. As trusted ADU builders in Long Island, Uprite Plus designs and constructs carriage houses, garage apartments, in-law suites, and guest cottages that add real living space to your property for rental income, multi-generational living, or simply more room to host the people you love.
Standalone single-story or two-story structures with full kitchens and baths. Our carriage house builder in Long Island builds each guest home to match the architecture of the primary residence.
Build a new garage or convert an existing garage structure, and add living space above or beside with full egress, a separate entry, and modern mechanicals.
Attached wings, basement suites, and above-garage attachments that keep aging parents close while giving everyone the privacy they want. A thoughtful in-law suite in Long Island often includes zero-step entries, wider doorways, and aging-in-place details.
Combine the pool house and guest house into a single structure that serves as a legal living space and a poolside amenity.
The accessory dwelling unit in Suffolk County is evolving. We stay current on town-by-town ordinances, setback rules, and permit pathways across every jurisdiction we serve. A free site visit will tell you exactly what your lot can support.
ADU and guest house construction costs in Long Island typically range from $150,000 to $400,000 or more, depending on size, finishes, foundation type, and whether utilities need to be extended. A carriage house above an existing garage will cost less than a fully detached structure with independent utilities.
Yes, accessory dwelling units require permits, and regulations vary significantly by town and village across Long Island. Zoning laws govern setbacks, lot coverage, height, and whether ADUs are permitted on your property.
Most ADU and guest house projects take between 3 and 9 months, depending on size, site conditions, and the complexity of utility connections. Detached structures on new foundations take longer than conversions of existing garage space.
In many Long Island municipalities, ADUs can be legally rented as separate dwelling units, but zoning rules vary by town, and owner-occupancy requirements apply in some areas.
Call 631-246-9816 for a free feasibility walk. We will tell you honestly whether your lot, zoning, and budget support a guest house builder in the Hamptons, and whether it is worth doing.