Room Addition & Adu Contractor San Jose

Room Addition & Adu Contractor San Jose is a Construction Company in San Jose, CA. The firm designs and builds accessory dwelling units, offering attached ADUs, detached ADUs, garage conversions, ADU permitting, and ADU design services for homeowners and businesses throughout San Jose and the surrounding area. Their work adds living space, property value, and flexibility for multi‑generational families or rental opportunities.

The company emphasizes a full‑service approach that begins with a free site consultation and listening to the client’s vision. They develop detailed architectural plans, navigate San Jose’s zoning and permitting requirements, and manage all paperwork with the city planning department. Licensed and insured, the team handles everything from structural design and utility hookups to final construction and inspections, ensuring each ADU meets local building codes, soil conditions, and aesthetic preferences. Their process is tailored to the climate and neighborhood styles of San Jose, from Willow Glen to Almaden Valley.

Located on N 3rd St, the office sits a short walk from several local landmarks, including the Henry Morris Naglee Memorial and First Unitarian Church, each about 0.1 mile away. It is also near North 4th St, Northeastern University Silicon Valley, and the San José Bike Clinic, all within a tenth of a mile.

With deep roots in the San Jose community and a comprehensive, licensed service offering, the company provides reliable construction solutions that align with the city’s housing goals and local building standards. Their expertise in ADU projects makes them a trusted partner for San Jose residents seeking to expand their homes.