OC Builders Group

OC Builders Group is an Orange County, California design-build construction company specializing in residential remodeling, room additions, new construction, and accessory dwelling units (ADUs). The company provides an integrated process covering design, architectural planning, permitting, construction, and project management.

An accessory dwelling unit (ADU) — also known as a granny flat, in-law suite, backyard cottage, or secondary dwelling unit — is an independent living space located on the same property as a primary residence. OC Builders Group offers several ADU solutions designed for additional family housing, rental income, guest accommodation, and flexible living space.

ADU Services

1. Detached ADUs: OC Builders Group designs and builds custom detached ADUs with independent utilities, providing privacy and flexibility for rental housing, family members, guests, or dedicated workspaces.
2. Attached ADUs: The company provides attached ADU construction integrated with the existing home, allowing homeowners to expand their living space while maintaining architectural continuity.
3. Garage Conversion ADUs: OC Builders Group converts existing garages into functional ADUs or living spaces, handling the design and construction process.
4. Junior ADUs: The company also offers Junior ADUs (JADUs) by repurposing existing areas of the home into compact independent living spaces.
5. ADU Design & Planning: Its in-house designers provide architectural plans, material sourcing, concept boards, and 3D renderings to help homeowners visualize the project before construction.
6. Permitting & Approvals: OC Builders Group handles permit submissions, plan checks, inspections, and local zoning requirements as part of its ADU process.

What OC Builders Group Offers Beyond Construction

OC Builders Group operates as a full-service design-build firm, coordinating the project from initial concept through construction. Its process can include feasibility assessment, architectural design, engineering, permitting, material selection, and construction management.

For ADU projects, the company specifically evaluates zoning, setbacks, utility capacity, and site conditions before developing the design. It also provides 3D renderings and detailed project estimates to help homeowners understand the proposed design and scope.

Beyond ADUs, OC Builders Group provides:

• Kitchen remodeling
• Bathroom remodeling
• Whole-home renovations
• Room additions
• Second-story additions
• Garage conversions
• New construction
• Blueprint and planning services
• Interior design services
• General contracting

The company describes itself as serving Orange County exclusively, with its office located in Santa Ana, California.