Room additions and ADUs (including JADUs) offer a practical way to increase living space, improve comfort, and enhance property value. They allow you to create rental units, guest suites, or upgraded living rooms without relocating. With professional planning and organized design, your project becomes efficient and stress-free.
Coronado Island homes boast a coastal charm, luxurious details, and distinctive architectural styles. Whether you’re adding a second-story room or designing an ADU with ocean-view potential, our team creates plans that complement your home perfectly.
We bring deep experience with coastal architecture, precise planning, and consistent communication. Homeowners trust our attention to detail and structured workflow.
We understand your expansion goals, inspect your home layout, and build a detailed plan within your budget.
Our designers prepare architectural plans, 3D models, and engineered layouts inspired by Coronado’s coastal designs.
We finalize all documents, ensure code compliance, and prepare everything 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:
Full 3D previews that bring your new space to life.
Complete room layouts, elevations, and measurements.
Safe, accurate load calculations and framing designs.
Complete systems planning for lighting, HVAC, wiring, and plumbing.
Fully prepared documents for fast and smooth approvals.
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 support for room additions, ADUs, and JADUs across Coronado Island. Schedule your free consultation today and expand your home with confidence.
The cost comparison between adding an addition and building an Accessory Dwelling Unit (ADU) is complex. Generally, a simple bump-out addition might have a lower initial cost per square foot, as it often utilizes existing home systems. However, constructing a detached ADU can be more cost-effective in the long run by creating a separate, income-generating asset without disrupting the main house. Key factors include site conditions, foundation requirements, utility connections, and local permit fees. A detached ADU also typically offers higher rental returns and property value appreciation. For a detailed breakdown of costs, benefits, and planning considerations, we recommend our internal resource: All You Need to Know When Building Accessory Dwelling Units.
The $40,000 grant in California is primarily a reference 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 building an Accessory Dwelling Unit (ADU) or Junior ADU (JADU) on their property. Eligible costs include impact fees, plan check fees, architectural designs, and permit applications. The loan is forgiven if the homeowner completes the ADU and occupies either the primary residence or the ADU as their primary home for five years. This program is a significant financial tool aimed at increasing the state's affordable housing stock by offsetting the substantial upfront soft costs that can deter ADU construction.
The cost to build a 1-bedroom ADU in San Diego typically ranges from $150,000 to $350,000, 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 budget for soft costs like architectural plans, engineering, and city permits, which can add 15-25% to the total. For a detailed breakdown of costs, timelines, and the specific requirements for San Diego, we recommend reviewing our internal resource, Room Addition / ADU (JADU) Construction in San Diego. Professional consultation is essential for an accurate estimate tailored to your property.
The cost comparison between building an ADU (Accessory Dwelling Unit) and buying a prefab unit is nuanced. Site-built ADUs often have higher initial costs due to custom design, extended labor, and potential site challenges, but can offer superior long-term value through customization and higher-quality finishes. Prefab or modular ADUs typically have a lower upfront price and faster installation due to factory construction, but costs can rise with customization, delivery, and site preparation. The final decision hinges on your specific lot, local permitting fees, desired quality, and timeline. A prefab might be cheaper for a basic unit on an easy site, while a custom build could be more cost-effective for complex projects maximizing property value. Always obtain detailed quotes for both options.
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