Second Key NYC
157 13th Street, Brooklyn, NY 11215Licensed ADU contractor and construction management firm for NYC homeowners. We handle eligibility, permitting, and the full build across Queens, Brooklyn, Staten Island, and the Bronx.
read moreLicensed ADU contractor and construction management firm for NYC homeowners. We handle eligibility, permitting, and the full build across Queens, Brooklyn, Staten Island, and the Bronx.
read moreWestchester Modular Homes Inc. builds modular accessory dwelling units (ADUs) in the Northeast. ADUs are secondary homes on single-family lots requiring permits, a kitchen, bathroom, and private entrance. ADUs can boost property value.
read moreBuffalo Modular offers modular ADU pods priced $15,000–$40,000, delivered in 8 weeks. Uses include home offices, rental units & in-law suites. Features LVP flooring, Andersen windows, steel roof & HVAC. No foundation needed—just a shed permit & gravel pad.
read morePCS Structures builds high-performance ADUs, backyard cottages & granny flats using SIPs technology. Their SHEDI line offers 15x more airtight construction, better energy efficiency, moisture control & faster build times than traditional methods.
read moreDEN Outdoors offers modern house plans & prefab kits since 2020, including 40+ designs like cabins, A-frames & ADUs. Their 3-step process starts at $999, with building packages from $1,999 or prefab kits from $133K.
read moreBuildLabs is a design-build company specializing in ADU construction across all 50 states. They offer custom and pre-approved plans, sustainable materials, and a streamlined 16-week build process covering planning, permitting, and final inspection.
read moreSearching for top Prefab / Modular ADU ADU Contractors in New York? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Prefab / Modular ADU ADU Contractor in New York ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Prefab / Modular ADU professionals can guide you through every step.
New York homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Prefab / Modular ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Prefab / Modular ADU ADU Contractors in New York, and get started today.