Room additions and ADUs (including JADUs) help you add more living space, improve comfort, and increase long-term property value. Whether you want a private suite, rental ADU, office, or extra bedroom, these projects let you expand without moving. With structured planning and organized design, the entire process stays smooth and stress-free.
Ramona homes often feature rural charm, open layouts, and spacious properties. Our ADU and room addition services are designed to enhance comfort, function, and the natural character of the area.
We offer dependable planning, strong design, and smooth project coordination tailored to Ramona’s spacious properties.
We discuss your goals, assess your property, and create a clear plan that fits your needs and budget.
Our team prepares accurate floor plans, 3D visuals, and engineered layouts matched to Ramona-style homes.
We finalize drawings, confirm compliance with ADU regulations, and prepare 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 3D previews that help you understand your new living space before construction.
Room layouts, elevations, and measurements designed for smooth, accurate building.
Safe, code-compliant framing, load calculations, and structural designs.
Complete wiring, lighting, plumbing, HVAC, and mechanical planning.
Fully detailed plans crafted for fast approval and a streamlined construction process.
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 provide complete ADU, JADU, and room addition planning, engineering, and 3D design services made for Ramona homes.
Contact us today to schedule your free consultation.
The cost comparison between building an ADU (Accessory Dwelling Unit) and buying a prefab unit depends heavily on project specifics. Generally, a prefabricated ADU can be cheaper upfront due to controlled factory construction, which reduces labor time and material waste. However, site-built ADUs, while often more expensive initially due to custom designs and on-site labor, can offer better long-term value through higher quality finishes and perfect integration with the existing property. Key factors include site preparation costs (foundation, utilities), local permit fees, and customization. A prefab might cost $150,000-$300,000 installed, while a custom build often ranges from $200,000-$400,000+. Always obtain detailed quotes and consider total lifecycle costs, not just initial outlay.
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, permit 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, process, and regulations, we recommend reading our internal article Room Addition / ADU (JADU) Construction in San Diego. Obtaining multiple detailed quotes from licensed contractors is essential for accurate budgeting.
Yes, in almost all cases, you will need a permit to add a room to your house in California. This is a legal requirement for ensuring the new construction meets state and local building codes, including safety standards for structural integrity, electrical wiring, plumbing, and energy efficiency (Title 24). Working without a permit can lead to fines, forced removal of the work, and significant problems when you try to sell your home. The process involves submitting detailed plans to your local city or county building department for review and approval. For a comprehensive guide on planning and permitting a room addition, including information on Accessory Dwelling Units (ADUs), we recommend reading our internal article Room Addition / ADU (JADU).
The cost to build a 1200 sq ft Accessory Dwelling Unit (ADU) in California typically ranges from $300,000 to $600,000, with a common average around $400,000. This wide range is due to variables like location, site conditions, design complexity, material choices, and permitting fees. High-cost urban areas like the Bay Area or Los Angeles often see prices at the upper end. Key cost drivers include foundation work, utility connections, and compliance with strict state and local building codes. To manage expenses, homeowners should obtain multiple detailed bids, consider pre-approved ADU plans, and budget for a 10-20% contingency for unforeseen issues during construction.
Building an Accessory Dwelling Unit (ADU) or room addition in Ramona involves several cost factors. The average cost for a basic, detached ADU in this area typically ranges from $150,000 to $350,000 or more, depending on size, finishes, and site conditions. Key expenses include design and permitting with the County of San Diego, site preparation (which can be significant in Ramona's varied terrain), foundation work, materials, labor, and utility connections. Choosing between a prefabricated unit or custom stick-built construction will greatly impact the budget. It is crucial to work with a licensed contractor experienced in local codes to navigate well and septic requirements, which are common in Ramona and can add substantial cost. Always obtain multiple detailed quotes.
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