GrindStone Construction, LLC.

GrindStone Builder | ADU Design + Build Contractor – Raleigh & Durham, NC At GrindStone Builder, we specialize in Accessory Dwelling Units (ADUs) that bring flexibility, value, and long-term living solutions to homeowners across the Raleigh–Durham Triangle region. Whether you’re building a backyard cottage for family, adding a rental unit for income, or creating a multigenerational living space, our team delivers end-to-end design-build services tailored to your property and goals. As a veteran-owned, licensed general contractor (PMP-certified), we bring the precision, discipline, and integrity forged through military service into every project. From 72-hour feasibility studies to full design, permitting, and construction, we provide a transparent, streamlined process that ensures your ADU is delivered on time and on budget. Homeowners choose GrindStone Builder because we focus on: ADU Expertise – Dedicated to detached, attached, and garage conversion ADUs. Local Knowledge – Deep experience with zoning, HOA requirements, and permitting across Raleigh, Durham, Cary, Chapel Hill, Apex, Garner, Wake Forest & Hillsborough. Smart Investment – ADUs in the Triangle add 25–35% to property value and open new rental income opportunities. Quality & Trust – Veteran-owned, family-focused, and committed to craftsmanship and clear communication. Let’s turn your backyard into an income stream, a family retreat, or a future-proof living solution. Contact GrindStone Builder today for your ADU feasibility study.