Room additions and ADUs (including JADUs) are a great way to increase space, improve comfort, and increase long-term property value. Whether you want a rental unit, an extra bedroom, a home office, or a guest suite, these additions offer practical solutions without moving. With proper planning and a skilled design team, the process becomes simple, organized, and stress-free.
Santee homes often have spacious lots, suburban neighborhoods, and versatile layouts—making them ideal for expansions and ADUs.
We bring local expertise, thorough planning, and reliable communication to homeowners throughout Santee.
We review your goals, examine your existing layout, and develop a detailed plan that suits your needs and budget.
Our designers create accurate 3D renderings, layouts, and engineered plans tailored to Santee’s home styles.
We finalize architectural and structural drawings, ensure full compliance, and prepare all documents 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 of your new space.
Detailed room layouts, elevations, and measurements.
Safe and code-compliant structural designs.
Complete planning for wiring, plumbing, HVAC, and mechanical systems.
Plans fully prepared for quick 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 room additions, ADUs, and JADUs in Santee. Contact us today to schedule your free consultation and begin expanding your home with confidence.
When comparing the cost of adding an ADU (Accessory Dwelling Unit) versus a home addition, the answer depends heavily on your property and goals. Generally, a detached ADU built from scratch can be more expensive upfront due to needing new foundations, utilities, and a complete structure. However, converting an existing space like a garage into an ADU is often the most cost-effective path. A traditional home addition might have a lower per-square-foot cost but can significantly disrupt your daily life. Key factors include local permit fees, utility connections, site preparation, and material choices. A professional design-build firm can provide a detailed cost-benefit analysis for your specific situation to determine which option offers better long-term value for your investment.
The $40,000 grant in California typically refers to the CalHFA ADU Grant Program. This initiative provides eligible homeowners with up to $40,000 in forgivable loans to cover pre-development costs associated with building an Accessory Dwelling Unit (ADU) or Junior ADU (JADU). The funds are intended to help with critical upfront expenses like design, permitting, soil testing, and impact fees. To qualify, applicants must meet income limits, intend to rent the ADU at an affordable rate for at least five years, and use a licensed contractor. The grant is forgiven incrementally over five years as long as the affordability conditions are met, making it a powerful tool to create more housing.
The cost to build a 1-bedroom ADU in San Diego typically ranges from $200,000 to $400,000, with significant variation based on size, design, site conditions, and finishes. 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 construction total. For a detailed breakdown of costs, process, and regulations, we recommend reading our internal article Room Addition / ADU (JADU) Construction in San Diego. Professional consultation is essential for an accurate, site-specific estimate.
The cost comparison between building an ADU (Accessory Dwelling Unit) and buying a prefab unit is nuanced. Generally, prefabricated ADUs can offer lower initial costs and faster installation due to controlled factory construction, potentially reducing labor expenses and construction loan durations. However, a custom site-built ADU, while often more expensive and time-consuming, provides greater design flexibility to match your main home and maximize your specific lot. Both options incur significant site preparation costs like foundations, utilities, and permits. The final "cheaper" option depends heavily on your local permitting environment, site conditions, desired finishes, and the scale of the prefab company. Obtain detailed quotes for both a prefab model and a site-built design to make an accurate financial comparison for your project.
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