Room additions and ADUs (including JADUs) are excellent solutions for improving space, convenience, and long-term property value. They can serve as rental units, guest rooms, home offices, or additional living areas all without the cost and stress of moving. With strong planning and professional design, the entire process becomes smooth and organized.
San Diego’s diverse neighborhoods include coastal homes, contemporary designs, hillside properties, and urban layouts each requiring tailored planning for room additions and ADUs.
We offer extensive local experience, strong technical planning, and excellent communication across all San Diego neighborhoods.
We review your goals, analyze your home’s layout, and create a custom plan based on your needs.
Our designers prepare detailed 3D visuals, floor plans, and engineered layouts suited for San Diego’s varied home styles.
We finalize drawings, ensure compliance with local ADU/JADU codes, and prepare all documentation for construction.
At Golden Shore Design and Build, we don’t just renovate Houses — we transform them into functional, beautiful spaces tailored to your lifestyle. Here’s why so many homeowners trust us with their Home remodels:
High-quality previews for clear project visualization.
Accurate layouts, measurements, and elevations.
Safety-focused calculations and structural diagrams.
Complete system planning for smooth construction
Fully compliant plans ready for fast approval.
We recently finished a complete kitchen renovation and are very satisfied with our construction and renovation firm. From the initial design consultation through to the final walk-through, the staff at this company displayed a remarkable level of professionalism and knowledge. Our project manager kept us fully apprised of the progress through daily updates and was very responsive to all of our inquiries. The staff were very considerate, on time, and maintained a remarkably clean construction site, causing little disruption to our daily routine. The workmanship is of the highest quality, and they completed the project right on time and within the agreed-upon budget with no surprises.
Professional builders providing neat finishes and smooth project coordination.
The remodel on our place included a few tricky parts but this team knew exactly what they were doing. Their design sense made the layout flow better than it ever has. It feels like a real upgrade in terms of value.
I brought them in for a full home remodel and the whole experience felt smooth and straightforward. Their design ideas actually made the renovation feel exciting instead of stressful. You can tell the builders care about a quality build from start to finish.
I hired them for a residential remodel, and I’m blown away by the results. The design process was smooth and collaborative, which made the whole project stress-free. These guys really know how to deliver a great renovation.
My bathroom and kitchen renovation turned out strong across the board. Their remodel contractor kept communication easy and never made things confusing. The quality build shows and the place feels refreshed in the best way.
I had this business remodel two bathrooms and both turned out perfect. They made sure I was comfortable while the work was being done. The results speak for themselves.
Their team was thorough, explaining the issue and the best solution without pushing unnecessary work. The repair was done on time, and our home feels solid again highly recommend their expertise!
I recently hired Golden Shore Design and Build to paint my kitchen cabinets, and I couldn’t be happier with the results! From start to finish the team was professional, punctual, and incredibly detail-oriented. They took the time to explain the process, offered helpful color suggestion, and made sure every step was done right.
The transformation is amazing – my kitchen looks brand new! The finish is smooth and flawless, and they left everything clean and tidy once the job was done. I really appreciated their respect for my home and the care they put into their work.
If you’re considering giving your cabinets a fresh new look, I highly recommend Golden Shore Design and Build. They exceeded my expectations, and I’d gladly work with them again.
CG Escondido
We added a family room to the back of our house and this team handled everything from permits to finish work. They made sure the new space blended perfectly with the existing structure. Super happy with the result and the process.
We deliver complete planning, 3D designs, and engineering services for ADUs, JADUs, and room expansions throughout San Diego. Contact us today to begin your project with confidence.
The cost to build a 1-bedroom Accessory Dwelling Unit (ADU) in San Diego typically ranges from $200,000 to $400,000, with significant variation based on size, design, and site conditions. Key cost drivers include foundation work, utility connections, permitting fees, and material choices. A detached new construction ADU generally costs more than converting an existing garage. It is crucial to obtain detailed quotes from licensed contractors who understand local zoning and building codes. For a comprehensive breakdown of costs, design considerations, and the benefits of adding an ADU, we recommend reviewing our internal resource, Room Addition / ADU (JADU) Construction in San Diego. Proper planning and a clear budget are essential for a successful project that adds value to your property.
The cost comparison between adding an ADU (Accessory Dwelling Unit) and building a new primary home addition is nuanced. Generally, constructing a detached ADU can be more cost-effective per square foot than a complex, high-finish addition to your main house, as additions often involve costly integration with existing plumbing, electrical, and structural systems. However, a simple bump-out addition might be cheaper than a full ADU if it avoids new foundation work and separate utility connections. Key factors include site conditions, local permit fees, and the scope of finishes. A detached ADU often offers better long-term value through rental income and increased property value, potentially offsetting its initial cost. Professional consultation for site-specific feasibility and budgeting is crucial.
The $40,000 grant in California typically refers to the CalHFA ADU Grant Program. This initiative provides forgivable loans of up to $40,000 to qualified homeowners to cover pre-development costs associated with constructing an Accessory Dwelling Unit (ADU) or Junior ADU (JADU) on their property. Eligible costs include impact fees, planning, design, soil tests, and permit applications. The loan is forgiven if the ADU construction is completed and the unit is occupied by a low- or moderate-income tenant for a minimum of five years. This program aims to increase affordable housing stock and assist homeowners with the often-prohibitive upfront costs of ADU development. It is a key tool for addressing the state's housing crisis.
The cost of a room addition in San Diego varies widely based on size, complexity, and finishes. A basic addition can start around $80,000 to $120,000, while larger, more complex projects with high-end materials can easily exceed $200,000. Key factors include foundation work, roofing, plumbing, electrical, HVAC integration, and permit fees. It's crucial to work with a licensed contractor who provides a detailed, transparent estimate and understands local building codes. For a deeper dive into planning and budgeting for such projects in our area, we recommend our internal article, Golden Shore: San Diego Home Remodeling & Renovation Contractors. Always get multiple quotes and ensure your contract clearly outlines the project scope and payment schedule.
63 reviews
